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CHROMIUM HYDROXIDE SULFATEICSC: 1309 (October 2004)
Basic Chrome Sulphate
Monobasic chromium sulphate
CAS #: 12336-95-7
EC Number: 235-595-8

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible.        In case of fire in the surroundings, use appropriate extinguishing media.   

 STRICT HYGIENE!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough. Sore throat.  Use local exhaust or breathing protection.  Fresh air, rest. 
Skin   Protective gloves. Protective clothing.  Rinse skin with plenty of water or shower. 
Eyes   Wear safety goggles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Nausea. Abdominal pain. Vomiting. Diarrhoea.  Do not eat, drink, or smoke during work.  Rinse mouth. Do NOT induce vomiting. 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. Vacuum spilled material with specialist equipment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. 

According to UN GHS Criteria

 

Transportation
UN Classification
 

STORAGE
 
PACKAGING
 
CHROMIUM HYDROXIDE SULFATE ICSC: 1309
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
GREEN POWDER. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic fumes. The solution in water is a weak acid. 

Formula: CrOHSO4
Molecular mass: 165.1
Melting point: >900°C
Density: 1.25 g/cm³
Solubility in water, g/100ml at 20°C: 200  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
 

Effects of short-term exposure
The substance is irritating to the respiratory tract. 

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

Effects of long-term or repeated exposure
Repeated or prolonged contact may cause skin sensitization. 


OCCUPATIONAL EXPOSURE LIMITS
TLV: (as Cr(III), inhalable fraction): 0.003 mg/m3, as TWA; (DSEN); (RSEN); A4 (not classifiable as a human carcinogen).
MAK: sensitization of skin (SH) 

ENVIRONMENT
The substance is toxic to aquatic organisms. 

NOTES
Do NOT take working clothes home. 

ADDITIONAL INFORMATION
  EC Classification
 

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    See Also:
       Toxicological Abbreviations