NITRIC OXIDE
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The
Chemical Identifier fields
include common identification numbers, the
NFPA diamond
U.S. Department of Transportation hazard labels, and a general
description of the chemical. The information in CAMEO Chemicals comes
from a variety of
data sources.
| CAS Number | UN/NA Number |
|---|---|
|
|
| DOT Hazard Label | USCG CHRIS Code |
|
|
| NIOSH Pocket Guide | International Chem Safety Card |
Nitric oxide
|
NFPA 704
| Diamond | Hazard | Value | Description | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Health
|
3 | Can cause serious or permanent injury. | |||||||||
Flammability
|
0 | Will not burn under typical fire conditions. | ||||||||||
Instability
|
0 | Normally stable, even under fire conditions. | ||||||||||
Special
|
OX | Possesses oxidizing properties. |
(NFPA, 2010)
General Description
A colorless gas. Noncombustible but accelerates the burning of combustible material. Vapors heavier than air. Very toxic by inhalation and skin absorption. Heating the containers may cause them to rupture violently and rocket.
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The
Hazard fields
include
special hazard alerts
air and water
reactions, fire hazards, health hazards, a reactivity profile, and
details about
reactive groups assignments
and
potentially incompatible absorbents.
The information in CAMEO Chemicals comes from a variety of
data sources.
Reactivity Alerts
- Explosive
- Strong Oxidizing Agent
- Water-Reactive
- Air-Reactive
Air & Water Reactions
Combines very rapidly with oxygen in the air to form nitrogen dioxide. Nitrogen dioxide reacts with water to form nitric acid and nitric oxide, reacts with alkalis to form nitrates and nitrites [Merck 11th ed. 1989].
Fire Hazard
Burns only when heated with hydrogen. With carbon disulfide, it reacts explosively with emission of light. When mixed with chlorine monoxide, can be explosive. Explodes on contact with nitrogen trichloride. When mixed with ozone, it will explode. Will react with water or steam to produce heat and corrosive fumes. Reacts vigorously with reducing materials. When heated to decomposition, highly toxic fumes of nitrogen oxides are emitted. May ignite other combustible materials (wood, paper, oil, etc.). Mixture with fuels may explode. Container may explode in heat of fire. Vapor explosion and poison hazard indoors, outdoors or in sewers. Reacts with oxygen to form poisonous nitrogen dioxide. Avoid storing in direct sunlight, or areas of high fire hazard.
Incompatible with aluminum, boron, carbon disulfide, hypochlorite, chromium, fluorine, fuels, hydrocarbons, nitrogen trichloride, ozone, phosphorus, uns-dimethyl hydrazine, uranium, acetic anhydride, ammonia, barium oxide, boron trichloride, methyl chloride, 1,2-dichloroethane, dichloroethylene, ethylene, iron, magnesium, manganese, olefins, potassium, propylene, sodium, sulfur, trichloroethylene, 1,1,1-trichloroethane, uns-tetrachloroethaneand reducing agents. (EPA, 1998)
Incompatible with aluminum, boron, carbon disulfide, hypochlorite, chromium, fluorine, fuels, hydrocarbons, nitrogen trichloride, ozone, phosphorus, uns-dimethyl hydrazine, uranium, acetic anhydride, ammonia, barium oxide, boron trichloride, methyl chloride, 1,2-dichloroethane, dichloroethylene, ethylene, iron, magnesium, manganese, olefins, potassium, propylene, sodium, sulfur, trichloroethylene, 1,1,1-trichloroethane, uns-tetrachloroethaneand reducing agents. (EPA, 1998)
Health Hazard
Can cause death or permanent injury after a very short exposure to small quantities. Irritant of eyes, nose, throat; can cause unconsciousness. Nitric oxide forms acids in the respiratory system which are irritating and cause congestion in the lungs. Concentrations of 60-150 ppm cause immediate irritation of the nose and throat with coughing and burning in the throat and chest. 6-24 hours after exposure, labored breathing and unconsciousness may result. Concentrations of 100-150 ppm are dangerous for short exposure of 30-60 minutes. Concentrations of 200-700 ppm may be fatal after very short exposure. (EPA, 1998)
Reactivity Profile
NITRIC OXIDE can serve as both an oxidizing agent and as a reducing agent. Sustains the combustion of powdered aluminum [Mellor 5:209-212. 1946-47]. Enflames or explodes when mixed with vapors of carbon disulfide [Mellor 8, Supp. 2:232. 1967]. Reacts vigorously with sodium monoxide above 100°C [Mellor 2, Supp. 2:629. 1961]. Reacts on contact with oxygen at room temperature to form brown gaseous nitrogen dioxide. Reacts with alkalis to form nitrates and nitrites [Merck 11th ed. 1989]. The liquid is very sensitive to detonation in the presence of water.
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents
Use caution: Liquids with this reactive group classification have been known to react with the absorbents listed below. More info about absorbents, including situations to watch out for...
- Cellulose-Based Absorbents
- Expanded Polymeric Absorbents
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The
Response Recommendation fields
include isolation and evacuation distances, as well as recommendations for
firefighting, non-fire response, protective clothing, and first aid. The
information in CAMEO Chemicals comes from a variety of
data sources.
Isolation and Evacuation
Excerpt from ERG Guide 124 [Gases - Toxic and/or Corrosive - Oxidizing]:
IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area for at least 100 meters (330 feet) in all directions.
SPILL: See ERG Table 1 - Initial Isolation and Protective Action Distances on the UN/NA 1660 datasheet.
FIRE: If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2024)
IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area for at least 100 meters (330 feet) in all directions.
SPILL: See ERG Table 1 - Initial Isolation and Protective Action Distances on the UN/NA 1660 datasheet.
FIRE: If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2024)
Firefighting
Wear positive pressure breathing apparatus and full protective clothing. Move container from fire area if you can do so without risk. Stay away from ends of tanks. Spray cooling water on containers that are exposed to flames until well after fire is out. For massive fire in cargo area, use unmanned hose holder or monitor nozzles; if this is impossible, withdraw from area and let fire burn.
For small fires, use dry chemical or carbon dioxide. For large fires, use water spray, fog, or foam. (EPA, 1998)
For small fires, use dry chemical or carbon dioxide. For large fires, use water spray, fog, or foam. (EPA, 1998)
Non-Fire Response
Excerpt from ERG Guide 124 [Gases - Toxic and/or Corrosive - Oxidizing]:
Do not touch or walk through spilled material. Keep combustibles (wood, paper, oil, etc.) away from spilled material. Stop leak if you can do it without risk. Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material. Do not direct water at spill or source of leak. If possible, turn leaking containers so that gas escapes rather than liquid. Prevent entry into waterways, sewers, basements or confined areas. Isolate area until gas has dispersed. Ventilate the area. (ERG, 2024)
Do not touch or walk through spilled material. Keep combustibles (wood, paper, oil, etc.) away from spilled material. Stop leak if you can do it without risk. Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material. Do not direct water at spill or source of leak. If possible, turn leaking containers so that gas escapes rather than liquid. Prevent entry into waterways, sewers, basements or confined areas. Isolate area until gas has dispersed. Ventilate the area. (ERG, 2024)
Protective Clothing
Excerpt from NIOSH Pocket Guide for Nitric oxide:
Skin: No recommendation is made specifying the need for personal protective equipment for the body.
Eyes: No recommendation is made specifying the need for eye protection.
Wash skin: No recommendation is made specifying the need for washing the substance from the skin (either immediately or at the end of the work shift).
Remove: No recommendation is made specifying the need for removing clothing that becomes wet or contaminated.
Change: No recommendation is made specifying the need for the worker to change clothing after the workshift. (NIOSH, 2024)
:Skin: No recommendation is made specifying the need for personal protective equipment for the body.
Eyes: No recommendation is made specifying the need for eye protection.
Wash skin: No recommendation is made specifying the need for washing the substance from the skin (either immediately or at the end of the work shift).
Remove: No recommendation is made specifying the need for removing clothing that becomes wet or contaminated.
Change: No recommendation is made specifying the need for the worker to change clothing after the workshift. (NIOSH, 2024)
DuPont Tychem® Suit Fabrics
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Tychem® Fabric Legend
| QS = Tychem 2000 SFR |
| QC = Tychem 2000 |
| SL = Tychem 4000 |
| C3 = Tychem 5000 |
| TF = Tychem 6000 |
| TP = Tychem 6000 FR |
| RC = Tychem RESPONDER® CSM |
| TK = Tychem 10000 |
| RF = Tychem 10000 FR |
Testing Details
The fabric permeation data was generated for DuPont by a third party
laboratory. Permeation data for industrial chemicals is obtained per
ASTM F739. Normalized breakthrough times (the time at which the
permeation rate exceeds 0.1 μg/cm2/min) are reported in minutes. All
chemicals have been tested between approximately 20°C and 27°C unless
otherwise stated. All chemicals have been tested at a concentration of
greater than 95% unless otherwise stated.
Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur Mustard, Tabun
and VX Nerve Agent) have been tested at 22°C and 50% relative humidity
per military standard MIL-STD-282. "Breakthrough time" for chemical
warfare agents is defined as the time when the cumulative mass which
permeated through the fabric exceeds the limit in MIL-STD-282 [either
1.25 or 4.0 μg/cm2].
A Caution from DuPont
This information is based upon technical data that DuPont believes to
be reliable on the date issued. It is subject to revision as additional
knowledge and experience are gained. The information reflects
laboratory performance of fabrics, not complete garments, under
controlled conditions. It is intended for informational use by persons
having technical skill for evaluation under their specific end-use
conditions, at their own discretion and risk. It is the user's
responsibility to determine the level of toxicity and the proper
personal protective equipment needed. Anyone intending to use this
information should first verify that the garment selected is suitable
for the intended use. In many cases, seams and closures have shorter
breakthrough times and higher permeation rates than the fabric. If
fabric becomes torn,abraded or punctured, or if seams or closures fail,
or if attached gloves, visors, etc. are damaged, end user should
discontinue use of garment to avoid potential exposure to chemical.
Since conditions of use are outside our control, DuPont makes no
warranties, express or implied, including, without limitation, no
warranties of merchantability or fitness for a particular use and
assume no liability in connection with any use of this information.
This information is not intended as a license to operate under or a
recommendation to infringe any patent, trademark or technical
information of DuPont or others covering any material or its use.
| Chemical | CAS Number | State | QS | QC | SL | C3 | TF | TP | RC | TK | RF |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nitric oxide | 10102-43-9 | Vapor | >480 |
> indicates greater than.
Special Warning from DuPont: Tychem® and Tyvek® fabrics should not be used around heat, flames, sparks or in potentially flammable or explosive environments. Only...
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...Tychem® ThermoPro, Tychem® Reflector® and Tychem® TK styles 600T/601T
(with aluminized outer suit) garments are designed and tested to help
reduce burn injury during escape from a flash fire. Users of Tychem®
ThermoPro, Tychem® Reflector® and Tychem® TK styles 600T/601T (with
aluminized outer suit) garments should not knowingly enter an explosive
environment. Tychem® garments with attached socks must be worn inside
protective outer footwear and are not suitable as outer footwear. These
attached socks do not have adequate durability or slip resistance to be
worn as the outer foot covering.
(DuPont, 2024)
First Aid
Warning: Can cause permanent injury after very short exposure to small quantities. Delayed pulmonary edema can occur even following minimal early symptoms. Caution is advised.
Signs and Symptoms of Nitric Oxide Exposure: Acute exposure to nitric oxide may result in changes of the pulmonary system including pulmonary edema, pneumonitis, bronchitis, bronchiolitis and emphysema. Mild or violent coughing, hyperpnea (rapid, deep breathing), and dyspnea (difficult or labored breathing) may occur. Fatigue, drowsiness, restlessness, anxiety, mental confusion, nausea and abdominal pain may be seen. Also weak rapid pulse, dilated heart, circulatory collapse, and loss of consciousness may be noted.
Emergency Life-Support Procedures: Acute exposure to nitric oxide may require decontamination and life support for the victims. Emergency personnel should wear protective clothing appropriate to the type and degree of contamination. Air-purifying or supplied-air respiratory equipment should also be worn, as necessary. Rescue vehicles should carry supplies such as plastic sheeting and disposable plastic bags to assist in preventing spread of contamination.
Inhalation Exposure:
1. Move victims to fresh air. Emergency personnel should avoid self-exposure to nitric oxide.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
3. Obtain authorization and/or further instructions from the local hospital for performance of other invasive procedures.
4. Rush to a health care facility.
Dermal/Eye Exposure:
1. Remove victims from exposure. Emergency personnel should avoid self-exposure to nitric oxide.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
3. If eye exposure has occurred, eyes must be flushed with lukewarm water for at least 15 minutes.
4. Obtain authorization and/or further instructions from the local hospital for performance of other invasive procedures.
5. Rush to a health care facility.
Ingestion Exposure:
Note: Ingestion of nitric oxide gas is not expected to be a significant route of exposure.
1. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
2. Obtain authorization and/or further instructions from the local hospital for performance of other invasive procedures.
3. Rush to a health care facility. (EPA, 1998)
Signs and Symptoms of Nitric Oxide Exposure: Acute exposure to nitric oxide may result in changes of the pulmonary system including pulmonary edema, pneumonitis, bronchitis, bronchiolitis and emphysema. Mild or violent coughing, hyperpnea (rapid, deep breathing), and dyspnea (difficult or labored breathing) may occur. Fatigue, drowsiness, restlessness, anxiety, mental confusion, nausea and abdominal pain may be seen. Also weak rapid pulse, dilated heart, circulatory collapse, and loss of consciousness may be noted.
Emergency Life-Support Procedures: Acute exposure to nitric oxide may require decontamination and life support for the victims. Emergency personnel should wear protective clothing appropriate to the type and degree of contamination. Air-purifying or supplied-air respiratory equipment should also be worn, as necessary. Rescue vehicles should carry supplies such as plastic sheeting and disposable plastic bags to assist in preventing spread of contamination.
Inhalation Exposure:
1. Move victims to fresh air. Emergency personnel should avoid self-exposure to nitric oxide.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
3. Obtain authorization and/or further instructions from the local hospital for performance of other invasive procedures.
4. Rush to a health care facility.
Dermal/Eye Exposure:
1. Remove victims from exposure. Emergency personnel should avoid self-exposure to nitric oxide.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
3. If eye exposure has occurred, eyes must be flushed with lukewarm water for at least 15 minutes.
4. Obtain authorization and/or further instructions from the local hospital for performance of other invasive procedures.
5. Rush to a health care facility.
Ingestion Exposure:
Note: Ingestion of nitric oxide gas is not expected to be a significant route of exposure.
1. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer 100% humidified oxygen or other respiratory support.
2. Obtain authorization and/or further instructions from the local hospital for performance of other invasive procedures.
3. Rush to a health care facility. (EPA, 1998)
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The
Physical Property fields
include properties such as vapor pressure and
boiling point, as well as explosive limits and
toxic exposure thresholds
The information in CAMEO Chemicals comes from a variety of
data sources.
Note: For Vapor Density and Specific Gravity, comparing the value to 1.0 can tell you if the chemical will likely sink/rise in air or sink/float in fresh water (respectively). Short phrases have been added to those values below as an aid. However, make sure to also consider the circumstances of a release. The Vapor Density comparisons are only valid when the gas escaping is at the same temperature as the surrounding air itself. If the chemical is escaping from a container where it was pressurized or refrigerated, it may first escape and behave as a heavy gas and sink in the air (even if it has a Vapor Density value less than 1). Also, the Specific Gravity comparisons are for fresh water (density 1.0 g/mL). If your spill is in salt water (density about 1.027 g/mL), you need to adjust the point of comparison. There are some chemicals that will sink in fresh water and float in salt water.
Note: For Vapor Density and Specific Gravity, comparing the value to 1.0 can tell you if the chemical will likely sink/rise in air or sink/float in fresh water (respectively). Short phrases have been added to those values below as an aid. However, make sure to also consider the circumstances of a release. The Vapor Density comparisons are only valid when the gas escaping is at the same temperature as the surrounding air itself. If the chemical is escaping from a container where it was pressurized or refrigerated, it may first escape and behave as a heavy gas and sink in the air (even if it has a Vapor Density value less than 1). Also, the Specific Gravity comparisons are for fresh water (density 1.0 g/mL). If your spill is in salt water (density about 1.027 g/mL), you need to adjust the point of comparison. There are some chemicals that will sink in fresh water and float in salt water.
| Chemical Formula: |
|
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point:
-262.5°F
(EPA, 1998)
Vapor Pressure:
26000 mmHg
at 68°F
(EPA, 1998)
Vapor Density (Relative to Air):
1.04
(EPA, 1998)
- Heavier than air; will sink
Specific Gravity:
1.27
at -238.36°F
(EPA, 1998)
- Denser than water; will sink
Boiling Point:
-241.1°F
at 760 mmHg
(EPA, 1998)
Molecular Weight:
30.01
(EPA, 1998)
Water Solubility:
5 %
(NIOSH, 2024)
Ionization Energy/Potential:
9.27 eV
(NIOSH, 2024)
IDLH:
100 ppm
(NIOSH, 2024)
AEGLs (Acute Exposure Guideline Levels)
| Exposure Period | AEGL-1 | AEGL-2 | AEGL-3 |
|---|---|---|---|
| 10 minutes | NR | NR | NR |
| 30 minutes | NR | NR | NR |
| 60 minutes | NR | NR | NR |
| 4 hours | NR | NR | NR |
| 8 hours | NR | NR | NR |
NR = Not recommended due to insufficient data
Short-term exposures to below 80 ppm NO should not constitute a health hazard
* AEGL values for nitrogen dioxide should be used for emergency planning.
Short-term exposures to below 80 ppm NO should not constitute a health hazard
* AEGL values for nitrogen dioxide should be used for emergency planning.
(NAC/NRC, 2024)
ERPGs (Emergency Response Planning Guidelines)
No ERPG information available.PACs (Protective Action Criteria)
| Chemical | PAC-1 | PAC-2 | PAC-3 |
|---|---|---|---|
| Nitric oxide (10102-43-9) | 0.5 ppm | 12 ppm | 20 ppm |
(DOE, 2024)
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The
Regulatory Information fields
include information from
the U.S. Environmental Protection Agency's Title III Consolidated List of
Lists,
the U.S. Cybersecurity and Infrastructure Security Agency's Chemical Facility
Anti-Terrorism Standards,
and the U.S. Occupational Safety and Health Administration's
Process Safety Management of Highly Hazardous Chemicals Standard List
(see more about these
data sources).
EPA Consolidated List of Lists
| Regulatory Name | CAS Number/ 313 Category Code |
EPCRA 302 EHS TPQ |
EPCRA 304 EHS RQ |
CERCLA RQ | EPCRA 313 TRI |
RCRA Code |
CAA 112(r) RMP TQ |
|---|---|---|---|---|---|---|---|
| Nitric oxide | 10102-43-9 | 100 pounds | 10 pounds | 10 pounds @ | P076 | 10000 pounds | |
| Nitrogen oxide (NO) | 10102-43-9 | 100 pounds | 10 pounds | 10 pounds @ | P076 | 10000 pounds |
- @ indicates that releases in amounts less than 1000 pounds per 24 hours of nitrogen oxide or nitrogen dioxide to the air that are the result of combustion and combustion related activities are exempt from the notification requirements of EPCRA section 304 and CERCLA.
(EPA List of Lists, 2024)
CISA Chemical Facility Anti-Terrorism Standards (CFATS)
| RELEASE | THEFT | SABOTAGE | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical of Interest | CAS Number | Min Conc | STQ | Security Issue |
Min Conc | STQ | Security Issue |
Min Conc | STQ | Security Issue |
| Nitric oxide; [Nitrogen oxide (NO)] | 10102-43-9 | 1.00 % | 10000 pounds | toxic | 3.83 % | 15 pounds | WME | |||
- WME = weapons of mass effect.
(CISA, 2007)
OSHA Process Safety Management (PSM) Standard List
| Chemical Name | CAS Number | Threshold Quantity (TQ) |
|---|---|---|
| Nitric Oxide | 10102-43-9 | 250 pounds |
(OSHA, 2019)
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This section provides a listing of alternate names for this chemical,
including trade names and synonyms.
- AMIDOGEN, OXO-
- MONONITROGEN MONOXIDE
- NITRIC OXIDE
- NITRIC OXIDE (NO)
- NITRIC OXIDE TRIMER
- NITRIC OXIDE, COMPRESSED
- NITROGEN MONOOXIDE
- NITROGEN MONOXIDE
- NITROGEN OXIDE
- NITROGEN OXIDE (N4O4)
- NITROGEN OXIDE (NO)
- NITROGEN(II) OXIDE
- NITROSYL RADICAL
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