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PIGMENT RED 53, BARIUM SALT (2:1)ICSC: 1540 (April 2005)
Barium bis(2-chloro-5-((2-hydroxy-1-naphthyl)azo)toluene-4-sulphonate)
D&C Red No 9
CAS #: 5160-02-1
EC Number: 225-935-3

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Gives off irritating or toxic fumes (or gases) in a fire.    NO open flames.    Use dry powder, carbon dioxide, water spray.   

 PREVENT DISPERSION OF DUST!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin   Protective gloves.  Remove contaminated clothes. Rinse skin with plenty of water or shower. 
Eyes Redness.  Wear safety goggles or eye protection in combination with breathing protection if powder.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion   Do not eat, drink, or smoke during work.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
 
PACKAGING
 
PIGMENT RED 53, BARIUM SALT (2:1) ICSC: 1540
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
YELLOW-TO-RED POWDER. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic fumes including nitrogen oxides and sulfur oxides. 

Formula: C17H13ClN2O4S. 1/2Ba
Molecular mass: 444.5
Decomposes at 330°C
Density: 1.66 g/cm³
Solubility in water, g/100ml at 20°C: >0.00013
Auto-ignition temperature: >340°C
Octanol/water partition coefficient as log Pow: -0.49  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by ingestion. 

Effects of short-term exposure
 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

Effects of long-term or repeated exposure
The substance may have effects on the blood and spleen. 


OCCUPATIONAL EXPOSURE LIMITS
 

ENVIRONMENT
Environmental effects of the substance have been adequately investigated, but no significant effects have been found. 

NOTES
 

ADDITIONAL INFORMATION
  EC Classification
 

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