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2,4-TOLUENEDIAMINE

6.1 - Poison
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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
  • 95-80-7
  • 25376-45-8   (unspecified isomer)
  • 26764-44-3
DOT Hazard Label USCG CHRIS Code
  • Poison
NIOSH Pocket Guide International Chem Safety Card
Toluenediamineexternal_link
NFPA 704
data unavailable
General Description
A colorless crystalline solid. Toxic by ingestion and inhalation. Irritates skin and eyes. Slightly soluble in water and neutrally buoyant in water. Decomposes with emission of toxic oxides of nitrogen at high temperatures. Used in making dyes.

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
none
Air & Water Reactions
Soluble in water, alcohol and ether.
Fire Hazard
Special Hazards of Combustion Products: Toxic fumes are generated when heated.

Behavior in Fire: Toxic gases are produced when heated to decomposition temperature. (USCG, 1999)
Health Hazard
Excerpt from NIOSH Pocket Guide for Toluenediamineexternal link:

Exposure Routes: Inhalation, skin absorption, ingestion, skin and/or eye contact

Symptoms: Irritation eyes, skin, nose, throat; dermatitis; ataxia, tachycardia, nausea, vomiting, convulsions, resp depression; methemoglobinemia, cyanosis, headache, lassitude (weakness, exhaustion), dizziness, bluish skin; liver injury; [potential occupational carcinogen]

Target Organs: Eyes, skin, respiratory system, blood, cardiovascular system, liver

Cancer Site: [in animals: liver, skin & mammary gland tumors] (NIOSH, 2023)
Reactivity Profile
2,4-TOLUENEDIAMINE neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. May generate hydrogen, a flammable gas, in combination with strong reducing agents such as hydrides. Reacts vigorously with oxidizing agents (USCG, 1999).
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

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 151 [Substances - Toxic (Non-Combustible)]:

IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.

SPILL: Increase the immediate precautionary measure distance, in the downwind direction, as necessary.

FIRE: If tank, rail car or tank truck 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, 2020)
Firefighting
Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:

SMALL FIRE: Dry chemical, CO2 or water spray.

LARGE FIRE: Water spray, fog or regular foam. If it can be done safely, move undamaged containers away from the area around the fire. Dike runoff from fire control for later disposal. Avoid aiming straight or solid streams directly onto the product.

FIRE INVOLVING TANKS OR CAR/TRAILER LOADS: Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned master stream devices or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2020)
Non-Fire Response
Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:

Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS. (ERG, 2020)
Protective Clothing
Excerpt from NIOSH Pocket Guide for Toluenediamineexternal link:

Skin: PREVENT SKIN CONTACT - Wear appropriate personal protective clothing to prevent skin contact.

Eyes: PREVENT EYE CONTACT - Wear appropriate eye protection to prevent eye contact.

Wash skin:
• WHEN CONTAMINATED - The worker should immediately wash the skin when it becomes contaminated.
• DAILY - The worker should wash daily at the end of each work shift, and prior to eating, drinking, smoking, etc.

Remove: WHEN WET OR CONTAMINATED - Work clothing that becomes wet or significantly contaminated should be removed and replaced.

Change: DAILY - Workers whose clothing may have become contaminated should change into uncontaminated clothing before leaving the work premises.

Provide:
• EYEWASH - Eyewash fountains should be provided in areas where there is any possibility that workers could be exposed to the substances; this is irrespective of the recommendation involving the wearing of eye protection.
• QUICK DRENCH - Facilities for quickly drenching the body should be provided within the immediate work area for emergency use where there is a possibility of exposure. [Note: It is intended that these facilities provide a sufficient quantity or flow of water to quickly remove the substance from any body areas likely to be exposed. The actual determination of what constitutes an adequate quick drench facility depends on the specific circumstances. In certain instances, a deluge shower should be readily available, whereas in others, the availability of water from a sink or hose could be considered adequate.] (NIOSH, 2023)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

SKIN: IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. IMMEDIATELY call a hospital or poison control center even if no symptoms (such as redness or irritation) develop. IMMEDIATELY transport the victim to a hospital for treatment after washing the affected areas.

INHALATION: IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. IMMEDIATELY call a physician and be prepared to transport the victim to a hospital even if no symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used; if not available, use a level of protection greater than or equal to that advised under Protective Clothing.

INGESTION: DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital.

OTHER: Since this chemical is a known or suspected carcinogen you should contact a physician for advice regarding the possible long term health effects and potential recommendation for medical monitoring. Recommendations from the physician will depend upon the specific compound, its chemical, physical and toxicity properties, the exposure level, length of exposure, and the route of exposure. (NTP, 1992)

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.
Chemical Formula:
  • C7H10N2
Flash Point: 300°F (NTP, 1992)
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: 210°F (NTP, 1992)
Vapor Pressure: 1 mmHg at 223.7°F ; 10 mmHg at 305.1°F (NTP, 1992)
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 1.045 at 212°F (NTP, 1992) - Denser than water; will sink
Boiling Point: 558°F at 760 mmHg (NTP, 1992)
Molecular Weight: 122.17 (NTP, 1992)
Water Solubility: 1 to 5 mg/mL at 70°F (NTP, 1992)
Ionization Energy/Potential: data unavailable
IDLH: A potential occupational carcinogen. (NIOSH, 2023)

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
Toluenediamine, 2,4-; (2,4-Diaminotoluene) (95-80-7) 0.015 ppm 3.3 ppm 20 ppm
(DOE, 2018)

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
2,4-Diaminotoluene 95-80-7 10 pounds 313
Diaminotoluene (mixed isomers) 25376-45-8 10 pounds 313 U221
Toluenediamine 25376-45-8 10 pounds X U221

(EPA List of Lists, 2022)

CISA Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

This section provides a listing of alternate names for this chemical, including trade names and synonyms.
  • 3-AMINO-P-TOLUIDINE
  • AR-METHYL-M-PHENYLENEDIAMINE
  • AZOGEN DEVELOPER H
  • BENZOFUR MT
  • BROWN FOR FUR T
  • C.I. 76035
  • C.I. OXIDATION BASE
  • C.I. OXIDATION BASE 20
  • C.I. OXIDATION BASE 200
  • C.I. OXIDATION BASE 35
  • DEVELOPER 14
  • DEVELOPER B
  • DEVELOPER DB
  • DEVELOPER DBJ
  • DEVELOPER H
  • DEVELOPER MC
  • DEVELOPER MT
  • DEVELOPER MT-CF
  • DEVELOPER MTD
  • DEVELOPER T
  • 2,4-DIAMINO-1-METHYLBENZENE
  • 2,4-DIAMINO-1-TOLUENE
  • 1,3-DIAMINO-4-METHYLBENZENE
  • DIAMINOTOLUENE
  • DIAMINOTOLUENE (MIXED ISOMERS)
  • 2,4-DIAMINOTOLUENE
  • 2,4-DIAMINOTOLUOL
  • EUCANINE GB
  • FOURAMINE
  • FOURAMINE J
  • FOURRINE 94
  • FOURRINE M
  • M-DIAMINOTOLUENE
  • M-PHENYLENEDIAMINE, METHYL-
  • M-TOLUENE DIAMINE
  • M-TOLUENEDIAMINE
  • M-TOLUYENEDIAMINE
  • M-TOLYENEDIAMINE
  • M-TOLYLENEDIAMINE
  • 4-M-TOLYLENEDIAMINE
  • META TOLUYLENE DIAMINE
  • META-TOLULENEDIAMINE
  • 4-METHYL-1,3-BENZENEDIAMINE
  • 4-METHYL-1,3-PHENYLENEDIAMINE
  • 4-METHYL-M-PHENYLENEDIAMINE
  • METHYLPHENYLENE DIAMINE
  • MTD
  • NAKO TMT
  • NCI-C02302
  • PELAGOL GREY J
  • PELAGOL J
  • PONTAMINE DEVELOPER TN
  • RENAL MD
  • TDA
  • TERTRAL G
  • 2,4-TOLAMINE
  • TOLUENE-2,4-DIAMINE
  • TOLUENE-AR,AR-DIAMINE
  • TOLUENEDIAMINE
  • TOLUENEDIAMINE ISOMERS
  • 2,4-TOLUENEDIAMINE
  • TOLUYLENEDIAMINE
  • 2,4-TOLUYLENEDIAMINE
  • TOLYLENE-2,4-DIAMINE
  • TOLYLENEDIAMINE
  • 2,4-TOLYLENEDIAMINE
  • ZOBA GKE
  • ZOGEN DEVELOPER H

Version 3.0.0