IPCS INCHEM Home
CHROMIUM(III) NITRATE NONAHYDRATEICSC: 1530
Chromic nitrate
Chromium trinitrate
Nitric acid, chromium(III) salt
October 2004
CAS #: 7789-02-8
UN #: 2720
EC Number: 236-921-1

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible but enhances combustion of other substances. Gives off irritating or toxic fumes (or gases) in a fire.  Risk of fire and explosion.  NO open flames.    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.  Remove contaminated clothes. 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 Abdominal pain. Diarrhoea. Nausea. Vomiting.  Do not eat, drink, or smoke during work.  Rinse mouth. Rinse mouth. Do NOT induce vomiting. 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 sealable containers. If appropriate, moisten first to prevent dusting. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 5.1; UN Pack Group: III 

STORAGE
Separated from combustible substances and reducing agents. 
PACKAGING
 
CHROMIUM(III) NITRATE NONAHYDRATE ICSC: 1530
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
DEEP VIOLET CRYSTALS. 

Physical dangers
 

Chemical dangers
The substance is a strong oxidant. It reacts with combustible and reducing materials. The solution in water is a weak acid. 

Formula: Cr(NO3)3¿ 9H2O
Molecular mass: 400.2
Boiling point: No boiling point at normal pressure; decomposes on heating
Melting point: 66°C
Density: 1.8 g/cm³
Solubility in water: very good 


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: 0.5 mg/m3, as TWA; 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.
The recommendations on this Card also apply to Chromium(III) nitrate anhydrous. 

ADDITIONAL INFORMATION
  EC Classification
 

All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material.
    See Also:
       Toxicological Abbreviations