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N,N'-DIACETYLBENZIDINEICSC: 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

cancer;health haz
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  


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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