AMMONIUM HYPOPHOSPHITE
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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 |
|---|---|
|
none |
| DOT Hazard Label | USCG CHRIS Code |
| data unavailable | |
| NIOSH Pocket Guide | International Chem Safety Card |
| none | none |
NFPA 704
data unavailable
General Description
White crystalline solid. Sinks and mixes with water. (USCG, 1999)
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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
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Reactivity Alerts
- Strong Reducing Agent
Air & Water Reactions
Water soluble. It liberates spontaneously flammable phosphine at about 240°C [Mellor 8:880 1946-47].
Fire Hazard
Special Hazards of Combustion Products: Decomposes at 240 emitting phosphine and POx. Phosphine is a very toxic gas which ignites spontaneously.
Behavior in Fire: Decomposes when heated with evolution of phosphine which ignites spontaneously. (USCG, 1999)
Behavior in Fire: Decomposes when heated with evolution of phosphine which ignites spontaneously. (USCG, 1999)
Health Hazard
Non-toxic or low toxicity unless heated to decomposition (240°C). (USCG, 1999)
Reactivity Profile
AMMONIUM HYPOPHOSPHITE liberates spontaneously flammable phosphine at about 240°C [Mellor 8:880 1946-47]. Some inorganic materials, such as hypophosphites, tend to form explosive mixtures with perchloric acid when hot [Analyst 84:215 1959].
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents
No information available.
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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
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Isolation and Evacuation
No information available.
Firefighting
Fire Extinguishing Agents: Carbon dioxide, dry chemical, or water spray (USCG, 1999)
Non-Fire Response
No information available.
Protective Clothing
Rubber gloves, safety glasses, and normal protective gear. (USCG, 1999)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
Not applicable (USCG, 1999)
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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
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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:
392°F
(USCG, 1999)
Vapor Pressure: data unavailable
Vapor Density (Relative to Air): data unavailable
Specific Gravity:
1.634
at 68°F
(USCG, 1999)
- Denser than water; will sink
Boiling Point:
Decomposes 464°F
(USCG, 1999)
Molecular Weight:
83.0271
(USCG, 1999)
Water Solubility: data unavailable
Ionization Energy/Potential: data unavailable
IDLH: data unavailable
AEGLs (Acute Exposure Guideline Levels)
No AEGL information available.ERPGs (Emergency Response Planning Guidelines)
No ERPG information available.PACs (Protective Action Criteria)
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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
No regulatory information available.CISA Chemical Facility Anti-Terrorism Standards (CFATS)
No regulatory information available.OSHA Process Safety Management (PSM) Standard List
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This section provides a listing of alternate names for this chemical,
including trade names and synonyms.
- AMMONIUM HYPOPHOSPHITE
- PHOSPHINIC ACID, AMMONIUM SALT
Version 3.0.0