ICSC 1666 - 3,3'-DIAMINOBENZIDINE

[List of Chemicals] [Risk Notes] [Risk Phrases] [Safety Phrases] [Danger Symbols]

3,3'-DIAMINOBENZIDINE

ICSC: 1666
_{April 2007}

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

CAS No: 91-95-2
RTECS No: DV8750000

C₁₂H₁₄N₄ / (NH₂)₂C₆H₃C₆H₃(NH₂)₂
Molecular mass: 214.3

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Combustible.	NO open flames.	Powder, alcohol-resistant foam, water spray, carbon dioxide.
EXPLOSION

EXPOSURE		AVOID ALL CONTACT!
Inhalation		Closed system and ventilation.	Fresh air, rest.
Skin		Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness.	Safety spectacles	Rinse with plenty of water (remove contact lenses if easily possible).
Ingestion		Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Give one or two glasses of water to drink. Seek medical attention if you feel unwell

SPILLAGE DISPOSAL	PACKAGING & LABELLING
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.	GHS classification Signal: Warning Excl mark-Health haz Harmful if swallowed Suspected of causing genetic defects Suspected of causing cancer

EMERGENCY RESPONSE	SAFE STORAGE
	Dry. Well closed. Separated from food and feedstuffs and strong oxidants. Store in an area without drain or sewer access.

IMPORTANT DATA

Physical State; Appearance
RED TO BROWN HYGROSCOPIC SOLID IN VARIOUS FORMS

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).

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.

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Melting point: 176°C Solubility in water: (very poor) Flash point: >200°C Auto-ignition temperature: 560°C Octanol/water partition coefficient as log Pow: 0.09

NOTES

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.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the European Commission
© IPCS 2006

LEGAL NOTICE

Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible for the use which might be made of this information.

Updated by AS. Approved by GS. Last update: 29.01.2008