m-Diaminobenzene
1,3-Benzenediamine
3-Aminoaniline
1,3-Phenylenediamine
C6H8N2 / C6H4(NH2)2
Molecular mass: 108.14
ICSC # 1302
CAS # 108-45-2
RTECS # SS7700000
UN # 1673
EC # 612-147-00-3
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Water spray, powder.
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Explosion
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Exposure
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STRICT HYGIENE!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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Blue lips or finger nails.
Blue skin.
Confusion.
Convulsions.
Dizziness.
Headache.
Nausea.
Unconsciousness.
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Local exhaust or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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MAY BE ABSORBED!
Redness.
(Further see Inhalation).
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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Safety goggles,
face shield,
or eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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(See Inhalation).
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
Do NOT let this chemical enter the environment.
Personal protection: complete protective clothing including self-contained breathing apparatus.
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Separated from
strong oxidants,
food and feedstuffs
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Keep in the dark.
Well closed.
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Do not transport with food and feedstuffs.
T symbol
N symbol
R: 23/24/25-36-43-50/53-68
S: 1/2-28-36/37-45-60-61
UN Hazard Class: 6.1
UN Packing Group: III
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Important Data
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Physical State; Appearance:
WHITE
CRYSTALS,
TURNS RED ON Exposure TO AIR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic fumes
including
nitrogen oxides
.
Reacts with strong oxidants.
Occupational Exposure Limits:
TLV: 0.1 mg/m3 as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2004).
MAK: skin absorption (H);
Carcinogen category: 3B;
(DFG 2004).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour,
through the skin
and
by ingestion.
Inhalation Risk:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C
; on spraying or dispersing, however, much faster.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
and
the skin
.
The substance may cause effects on the
kidneys
and
blood
, resulting in renal failure and
formation of methaemoglobin.
The effects may be delayed.
Medical observation is indicated.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
The substance may have effects on the
kidneys
, resulting in renal failure.
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Physical
Properties
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Boiling point: 284-287°C
Melting point: 62-63°C
Density: 1.14
g/cm3
Solubility in water: soluble
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Vapour pressure, Pa at 99.8°C: 133
Relative vapour density (air = 1): 3.7
Flash point: 187°C c.c.
Auto-ignition temperature: 560°C
Octanol/water partition coefficient as log Pow: -0.33
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Environmental
Data
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The substance is toxic to aquatic organisms.
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Direct Brown BR, Direct Brown GG, Developer C, Developer H, Developer M, Developer 11 are trade names.
See also ICSC0805 p-Phenylenediamine.
Card has been partly updated in October 2004 and April 2005. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-61S1673-S
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ADDITIONAL INFORMATION
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ICSC: 1302
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m-PHENYLENEDIAMINE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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