Tremolite asbestos

  • Actinolite
Formula
Ca.4H2O3Si.5/2Mg
Description
Monoclinic crystals, long & thin columnar to fibrous; gray-white,
Uses
As asbestos, particularly in acid resisting applications, ceramics, paint.

Registry Numbers and Inventories.
CAS
14567-73-8
RTECS
XX2200000
RTECS class
Tumorigen
UN (DOT)
2212
Beilstein/Gmelin
19375 (G)
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
Ca2H2Mg5O24Si8
Density
2.9 to 3.2 g/cm3

Hazards and Protection.
Storage
Store in a cool, dry location is a tightly sealed container.
Handling
Avoid dust creation. Prevent all contact with material. Wear a dusk mask.
Protection
Wear appropriate clothing to prevent any reasonable probability of skin contact. Wear eye protection to prevent any possibility of eye contact.
Respirators
Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive pressure-mode. Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained breathing apparatus operated in pressure-demand or other positive-pressure mode.
Small spills/leaks
Use appropriate protective equipment. Provide ventilation. Avoid creating dust. Sweep up and place in approved container for disposal.
Stability
Stable.
Incompatibilities
Strong oxidizing agents.
Decomposition
None reported.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.
Fire potential
Noncombustible.

Health.
Exposure limit(s)
IDHL: NIOSH considers asbestos to be a potential occupational carcinogen.
Carcinogin
O, G-A1, I-1, N-1
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Ingestion
None reported.
   Inhalation
Breathlessness on effort, finger clubbing, clicking, and rales. Chronic exposure can lead to asbestosis, lung cancer or mesothelioma.
   Skin
Benign nodules called asbestos corns develop around implanted fibers.
   Eyes
Causes irritation.

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
   Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
   Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Transport.
UN number
2212
Response guide