Silicon carbide |
Synonyms & Trade Names Carbon silicide, Carborundum®, Silicon monocarbide |
CAS No. 409-21-2 |
RTECS No. VW0450000 |
DOT ID & Guide |
FormulaSiC |
Conversion |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
OSHA PEL†: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) |
Measurement Methods
NIOSH 0500 , 0600
See: NMAM or OSHA Methods |
Physical Description Yellow to green to bluish-black, iridescent crystals. |
MW: 40.1 |
BP: Sublimes |
MLT: 4892°F (Sublimes) |
Sol: Insoluble |
VP: 0 mmHg (approx) |
IP: 9.30 eV |
Sp.Gr: 3.23 |
Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid |
Incompatibilities & Reactivities None reported [Note: Sublimes with decomposition at 4892°F.] |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, upper respiratory system; cough |
Target Organs Eyes, skin, respiratory system |
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Personal Protection/Sanitation (See protection codes)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Breathing: Fresh air
Swallow: Medical attention immediately |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 1061
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