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CROCIDOLITEICSC: 1314
Riebeckite asbestos
Blue asbestos
November 2016
CAS #: 12001-28-4
UN #: 2212
EC Number: 601-649-8

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

 PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!  
  SYMPTOMS PREVENTION FIRST AID
Inhalation Cough.  Use breathing protection. Use closed system and ventilation.  Fresh air, rest. 
Skin Dry skin.  Protective gloves. Protective clothing.  Remove contaminated clothes. Rinse skin with plenty of water or shower. 
Eyes Redness.  Wear safety goggles or eye protection in combination with breathing protection.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion No acute symptoms expected.  Do not eat, drink, or smoke during work. Wash hands before eating.  Rinse mouth. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Evacuate danger area! Consult an expert! Personal protection: complete protective clothing including self-contained breathing apparatus. If appropriate, moisten first to prevent dusting. Vacuum spilled material with specialist equipment. Carefully collect remainder. Then store and dispose of according to local regulations. Do NOT let this chemical enter the environment. 

According to UN GHS Criteria

cancer;health haz
DANGER
May cause cancer
Causes damage to the lungs through prolonged or repeated exposure if inhaled 

Transportation
UN Classification
UN Hazard Class: 9; UN Pack Group: II 

STORAGE
Well closed. 
PACKAGING
 
CROCIDOLITE ICSC: 1314
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
LAVENDER, BLUE OR GREENISH FIBROUS SOLID. 

Physical dangers
 

Chemical dangers
 

Formula: Na2 Fe++3 Fe+++2 Si8 O22 (OH)2
Molecular mass: 765.98
Decomposes at 1200°C
Relative density (water = 1): 3.3-3.4
Solubility in water: none 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
Exposure mainly occurs via inhalation. 

Effects of short-term exposure
 

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

Effects of long-term or repeated exposure
Repeated or prolonged inhalation may cause asbestosis (fibrosis of the lungs), pleural plaques, thickening and effusions. This substance is carcinogenic to humans. This substance causes cancer of the lung, mesothelioma, cancer of the larynx, and cancer of the ovary in humans. There is limited evidence that this substance causes colorectal cancer or cancer of the pharynx or stomach. 


OCCUPATIONAL EXPOSURE LIMITS
TLV: 0.1 f/cc as TWA; A1 (confirmed human carcinogen).
MAK: carcinogen category: 1.
EU-OEL: 0.1 fibres/ml as TWA 

ENVIRONMENT
 

NOTES
Depending on the degree of exposure, periodic medical examination is suggested.
Do NOT take working clothes home.
NEVER use a domestic-type vacuum cleaner to vacuum the substance, only use specialist equipment. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T; R: 45-48/23; S: 53-45; Note: E 

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    See Also:
       Toxicological Abbreviations