- Calcium monosilicate
- Calcium hydrosilicate
- Calcium metasilicate
- Silicic acid, calcium salt
Constituent of lime glass, portland cement, reinforcing filler in elastomers & plastics, absorbent for liquids, gases, vapors, as suspension agent, pigment & pigment extender, binder for refractory material, in chromatography, in road construction.
Registry Numbers and Inventories.
Japan ENCS (MITI)
Melting point, °C
2.9 g/cm3 (20 C)
Solubility in water
Hazards and Protection.
Store in a cool, dry location. Keep container tightly closed.
Do not breath dust, avoid contact. Use material in a chemical hood.
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
NIOSH/MSHA approved respirator.
Wear NIOSH/MSHA approved respirator, safety goggles and rubber gloves and boots. Sweep up and place in a bag and hold for waste disposal. Avoid raising dust, ventilate area and wash site after material pickup.
Strong oxidizing agents.
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.
NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp) OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
Nausea, vomiting and diarrhea are possible if ingested.
Cough, tachypnea, and wheezing are common after inhalation.
Redness, swelling and pain may occur.
Irritants may cause swelling, redness and pain at any site, especially at mucous membranes. The mouth, nose, and eyes are susceptible to these effects.
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.
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.
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
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.