ICSC 1678 - N,N'-DIACETYLBENZIDINE

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

N,N'-DIACETYLBENZIDINE

ICSC: 1678
_{April 2007}

4,4'-Diacetamidobiphenyl
N,N'-(1,1'-Biphenyl)-4,4'-diylbisacetamide
4',4'''-Biacetanilide
4,4'-Diacetylbenzidine
DABZ

CAS No: 613-35-4
RTECS No: DT2800000
EC No: 612-044-00-3

C₁₆H₁₆N₂O₂ / (C₆H₄NHCOCH₃)₂
Molecular mass: 268.3

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE			In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION

EXPOSURE		AVOID ALL CONTACT!
Inhalation	Cough.	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. Refer for medical attention.

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.	EU classification Xn Symbol R: 20/21/22 S: (2-)22-36 GHS classification Signal: Warning Health haz Suspected of causing genetic defects Suspected of causing cancer May cause damage to blood and kidneys through prolonged or repeated exposure

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

IMPORTANT DATA

Physical State; Appearance
WHITE CRYSTALS.

Chemical dangers
On contact with hot surfaces or flames this substance decomposes forming nitrogen oxides. Reacts with strong oxidants.

Occupational exposure limits
TLV not established.
MAK not established.

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 when dispersed

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

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

PHYSICAL PROPERTIES	ENVIRONMENTAL DATA
Melting point: 327-330°C Solubility in water: none Octanol/water partition coefficient as log Pow: 1.97

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.

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