ICSC 1678 - N,N'-DIACETYLBENZIDINE

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N,N'-DIACETYLBENZIDINE	ICSC: 1678 (April 2007)
N,N'-(1,1'-Biphenyl)-4,4'-diylbisacetamide 4',4'''-Biacetanilide 4,4'-Diacetylbenzidine DABZ 4,4'-Diacetamidobiphenyl

CAS #: 613-35-4

EC Number: 210-338-2

	ACUTE HAZARDS	PREVENTION	FIRE FIGHTING
FIRE & EXPLOSION			In case of fire in the surroundings, use appropriate extinguishing media.

AVOID ALL CONTACT!
	SYMPTOMS	PREVENTION	FIRST AID
Inhalation	Cough.	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 Suspected of causing genetic defects Suspected of causing cancer May cause damage to blood and kidneys through prolonged or repeated exposure Transportation UN Classification
STORAGE
Separated from strong oxidants and food and feedstuffs. Well closed. Store in an area without drain or sewer access.
PACKAGING

N,N'-DIACETYLBENZIDINE

ICSC: 1678

PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance WHITE CRYSTALS. Physical dangers Chemical dangers Decomposes on contact with hot surfaces or flames. This produces nitrogen oxides. Reacts with strong oxidants.	Formula: C₁₆H₁₆N₂O₂ / (C₆H₄NHCOCH₃)₂ Molecular mass: 268.3 Melting point: 327-330°C Solubility in water: none Octanol/water partition coefficient as log Pow: 1.97

PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
WHITE CRYSTALS.

Physical dangers

Chemical dangers
Decomposes on contact with hot surfaces or flames. This produces nitrogen oxides. Reacts with strong oxidants.

Formula: C₁₆H₁₆N₂O₂ / (C₆H₄NHCOCH₃)₂
Molecular mass: 268.3
Melting point: 327-330°C
Solubility in water: none
Octanol/water partition coefficient as log Pow: 1.97

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 and respiratory tract.	Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed. Effects of long-term or repeated exposure The substance may have effects on the blood and kidneys. This may result in the formation of methaemoglobin, anaemia and kidney impairment. 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 and respiratory tract.

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

Effects of long-term or repeated exposure
The substance may have effects on the blood and kidneys. This may result in the formation of methaemoglobin, anaemia and kidney impairment. This substance is possibly carcinogenic to humans.

OCCUPATIONAL EXPOSURE LIMITS

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.

ADDITIONAL INFORMATION

EC Classification
Symbol: Xn; R: 20/21/22; S: (2)-22-36

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