ICSC 1666 - 3,3'-DIAMINOBENZIDINE

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3,3'-DIAMINOBENZIDINE	ICSC: 1666 (April 2007)
(1,1'-Biphenyl)-3,3',4,4'-tetraamine 3,3',4,4'-Diphenyltetramine 3,3',4,4'-Tetraaminobiphenyl Biphenyl-3,3',4,4'-tetrayltetraamine 3,3',4,4'-Biphenyltetramine

CAS #: 91-95-2

EC Number: 202-110-6

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION	Combustible.	NO open flames.	Use water spray, powder, alcohol-resistant foam, carbon dioxide.

AVOID ALL CONTACT!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation		Use closed system or ventilation.	Fresh air, rest.
Skin		Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness.	Wear safety spectacles.	Rinse with plenty of water for several minutes (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. Refer for medical attention .

SPILLAGE DISPOSAL	CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.	According to UN GHS Criteria WARNING Harmful if swallowed Suspected of causing genetic defects Suspected of causing cancer Transportation UN Classification
STORAGE
Dry. Well closed. Separated from food and feedstuffs and strong oxidants. Store in an area without drain or sewer access.
PACKAGING

3,3'-DIAMINOBENZIDINE

ICSC: 1666

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance RED-TO-BROWN HYGROSCOPIC SOLID IN VARIOUS FORMS. Physical dangers Chemical dangers Decomposes on burning. This produces nitrogen oxides. Reacts with strong oxidants.	Formula: C₁₂H₁₄N₄ / (NH₂)₂C₆H₃C₆H₃(NH₂)₂ Molecular mass: 214.3 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

PHYSICAL & CHEMICAL INFORMATION

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

Physical dangers

Chemical dangers
Decomposes on burning. This produces nitrogen oxides. Reacts with strong oxidants.

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

EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body in hazardous amounts by inhalation of its aerosol and by ingestion. Effects of short-term exposure May cause mechanical irritation to the eyes.	Inhalation risk A harmful concentration of airborne particles can be reached quickly. Effects of long-term or repeated exposure This substance is possibly carcinogenic to humans.

EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body in hazardous amounts by inhalation of its aerosol and by ingestion.

Effects of short-term exposure
May cause mechanical irritation to the eyes.

Inhalation risk
A harmful concentration of airborne particles can be reached quickly.

Effects of long-term or repeated exposure
This substance is possibly carcinogenic to humans.

OCCUPATIONAL EXPOSURE LIMITS
MAK: carcinogen category: 3

ENVIRONMENT
Environmental effects from the substance have not been investigated adequately.

NOTES
Do NOT take working clothes home. Depending on the degree of exposure, periodic medical examination is suggested. The recommendations on this Card also apply to 3,3'-Diaminobenzidine tetrahydrochloride, CAS-number 7411-49-6.

ADDITIONAL INFORMATION

EC Classification

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