3,3',4,4'-Biphenyltetramine
(1,1'-Biphenyl)-3,3',4,4'-tetraamine
3,3',4,4'-Diphenyltetramine
3,3',4,4'-Tetraaminobiphenyl
Biphenyl-3,3',4,4'-tetrayltetraamine
C12H14N4 / (NH2)2C6H3C6H3(NH2)2
Molecular mass: 214.3
ICSC # 1666
CAS # 91-95-2
RTECS # DV8750000
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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.
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NO open flames.
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Powder, alcohol-resistant foam, water spray, carbon dioxide.
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Explosion
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Exposure
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AVOID ALL CONTACT!
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•Inhalation
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Closed system and ventilation.
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Fresh air, rest.
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•Skin
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
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Safety spectacles
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Rinse with plenty of water (remove contact lenses if easily possible).
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•Ingestion
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
Give one or two glasses of water to drink.
Seek medical attention if you feel unwell
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: particulate filter adapted to the airborne concentration of the substance.
Do NOT let this chemical enter the environment.
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
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Dry.
Well closed.
Separated from
food and feedstuffs
and
strong oxidants.
Store in an area without drain or sewer access.
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Signal: Warning
Excl mark-Health haz
Harmful if swallowed
Suspected of causing genetic defects
Suspected of causing cancer
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Important Data
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Physical State; Appearance:
0\RED TO BROWN HYGROSCOPIC SOLID IN VARIOUS FORMS
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
nitrogen oxides
Reacts with strong oxidants.
Occupational Exposure Limits:
TLV not established.
MAK:
Carcinogen category: 3B
(DFG 2006).
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Routes of Exposure:
The substance can be absorbed into the body in hazardous amounts
by inhalation of its aerosol
and
by ingestion.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly.
Effects of Short-Term Exposure:
May cause mechanical irritation
to
the eyes.
Effects of Long-Term or Repeated Exposure:
This substance is possibly carcinogenic to humans.
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Physical
Properties
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Melting point: 176°C
(very poor)
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Solubility in water:
Flash point: >200°C
Auto-ignition temperature: 560°C
Octanol/water partition coefficient as log Pow: 0.09
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Environmental
Data
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N O T E S
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Do NOT take working clothes home.
Depending on the degree of exposure, periodic medical examination is suggested.
Environmental effects from the substance have not been investigated.
The recommendations on this Card also apply to 3,3'-Diaminobenzidine tetrahydrochloride, CAS-number 7411-49-6.
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ADDITIONAL INFORMATION
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ICSC: 1666
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3,3'-DIAMINOBENZIDINE
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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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