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SILICON CARBIDE

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The Chemical Identifier fields include common identification numbers, the NFPA diamond U.S. Department of Transportation hazard labels, and a general description of the chemical. The information in CAMEO Chemicals comes from a variety of data sources.
CAS Number UN/NA Number
  • 409-21-2
none
DOT Hazard Label USCG CHRIS Code
data unavailable none
NIOSH Pocket Guide International Chem Safety Card
Silicon carbideexternal link
NFPA 704
data unavailable
General Description
Yellow to green to bluish-black, iridescent crystals. Sublimes with decomposition at 2700°C. Density 3.21 g cm-3. Insoluble in water. Soluble in molten alkalis (NaOH, KOH) and molten iron.

The Hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. The information in CAMEO Chemicals comes from a variety of data sources.
Reactivity Alerts
none
Air & Water Reactions
No rapid reaction with air No rapid reaction with water
Fire Hazard
No information available.
Health Hazard
Exposure Routes: inhalation, ingestion, skin and/or eye contact

Symptoms: Irritation eyes, skin, upper respiratory system; cough

Target Organs: Eyes, skin, respiratory system (NIOSH, 2016)
Reactivity Profile
SILICON CARBIDE is non-combustible. Generally unreactive. Soluble in molten alkalis (NaOH, KOH) and in molten iron.
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

The Response Recommendation fields include isolation and evacuation distances, as well as recommendations for firefighting, non-fire response, protective clothing, and first aid. The information in CAMEO Chemicals comes from a variety of data sources.
Isolation and Evacuation
No information available.
Firefighting
No information available.
Non-Fire Response
No information available.
Protective Clothing
Skin: No recommendation is made specifying the need for personal protective equipment for the body.

Eyes: No recommendation is made specifying the need for eye protection.

Wash skin: No recommendation is made specifying the need for washing the substance from the skin (either immediately or at the end of the work shift).

Remove: No recommendation is made specifying the need for removing clothing that becomes wet or contaminated.

Change: No recommendation is made specifying the need for the worker to change clothing after the work shift. (NIOSH, 2016)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
Eye: If this chemical contacts the eyes, immediately wash the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately. Contact lenses should not be worn when working with this chemical.

Breathing: If a person breathes large amounts of this chemical, move the exposed person to fresh air at once. Other measures are usually unnecessary.

Swallow: If this chemical has been swallowed, get medical attention immediately. (NIOSH, 2016)

The Physical Property fields include properties such as vapor pressure and boiling point, as well as explosive limits and toxic exposure thresholds The information in CAMEO Chemicals comes from a variety of data sources.
Chemical Formula:
  • SiC
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: 4892 ° F (Sublimes) (NIOSH, 2016)
Vapor Pressure: 0 mm Hg (approx) (NIOSH, 2016)
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 3.23 (NIOSH, 2016)
Boiling Point: Sublimes (NIOSH, 2016)
Molecular Weight: 40.1 (NIOSH, 2016)
Water Solubility: Insoluble (NIOSH, 2016)
Ionization Potential: 9.30 eV (NIOSH, 2016)
IDLH: data unavailable

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
Silicon carbide (409-21-2) 45 mg/m3 500 mg/m3 3000 mg/m3
(DOE, 2016)

The Regulatory Information fields include information from the U.S. Environmental Protection Agency's Title III Consolidated List of Lists, the U.S. Department of Homeland Security's Chemical Facility Anti-Terrorism Standards, and the U.S. Occupational Safety and Health Administration's Process Safety Management of Highly Hazardous Chemicals Standard List (see more about these data sources).

EPA Consolidated List of Lists

No regulatory information available.

DHS Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

This section provides a listing of alternate names for this chemical, including trade names and synonyms.
  • A 20
  • A 20 (CARBIDE)
  • AE 60
  • AE 60 (CARBIDE)
  • ANNANOX CK
  • B-HP
  • B-HP (CARBIDE)
  • BETARUNDUM
  • BETARUNDUM ST-S
  • BETARUNDUM UF
  • BETARUNDUM ULTRAFINE
  • BF 12
  • BLOK
  • BSC 059
  • C 1000F
  • C 700D DARK
  • C 800D DARK
  • 37C150
  • CARBOFRAX M
  • CARBOGRAN F 180
  • CARBOGRAN F 36
  • CARBOGRAN F 80
  • CARBOGRAN UF 15
  • CARBOGRAN UF 45
  • CARBOLON
  • CARBON SILICIDE
  • CARBORUNDUM
  • CARBORUNDUM®
  • CGW 3
  • CP 240
  • CP 400
  • CRYSTAR
  • CRYSTOLON 37
  • CRYSTOLON 39
  • CRYSTOLON B
  • CRYSTOLON F 240
  • CRYSTOLON F 320
  • DENSIC 120
  • DENSIC 180
  • DENSIC 220
  • DENSIC 60
  • DENSIC 80
  • DENSIC C 150
  • DENSIC C 500
  • DENSIC C 600
  • DENSIC GC
  • DENSIC RC 31
  • DIASIC
  • DU-A 1
  • DU-A 2
  • DU-A 3
  • DU-A 3C
  • DU-A 4
  • E 299-400
  • E 299-600
  • E 599P1500
  • EKASIC D
  • EKASIC TRIBO 2000
  • EKASIC TRIBO 2000-1
  • F 1000
  • F 1000 (CARBIDE)
  • F 120
  • F 120 (CARBIDE)
  • F 20
  • F 20 (ABRASIVE)
  • F 500
  • F 500 (CARBIDE)
  • FCP 13NLC
  • FCP 15
  • 100FT
  • G-UF
  • GC 1000
  • GC 10000
  • GC 1000F
  • GC 15
  • GC 15 (CARBIDE)
  • GC 180
  • GC 2000
  • GC 2000 (CARBIDE)
  • GC 240
  • GC 3000
  • GC 400
  • GC 4000
  • GC 4000F
  • GC 600
  • GC 6000
  • GC 800
  • GC 8000
  • GC 800S
  • GMF 15H2
  • GMF 6S
  • GP 600
  • GP 600 (ABRASIVE)
  • GP-SFP 1.7
  • GREEN DENSIC
  • GREEN DENSIC GC 120
  • GREEN DENSIC GC 180
  • GREEN DENSIC GC 240
  • GREEN DENSIC GC 280
  • GREEN DENSIC GC 800
  • HALSIC RX
  • HEXOLOY SA
  • HEXOLOY SX
  • HF 30
  • HITACERAM SC 101
  • HSC (CARBIDE)
  • IBIDEN
  • KZ 3M
  • KZ 5M
  • KZ 7M
  • LONZA UF 05
  • MSC 20
  • MSM 33
  • NC 203
  • NC 203 (CERAMIC)
  • NFO 860
  • NG 220
  • NG 220 (CARBIDE)
  • NG 80
  • NORTON 1000
  • OY 15
  • OY 3
  • OY 7
  • P 1200
  • P 1200 (CERAMIC)
  • P 240
  • P 240 (CARBIDE)
  • P 320
  • P 320 (CERAMIC)
  • P 400
  • P 400 (CERAMIC)
  • P 600
  • P 600 (CERAMIC)
  • POLISHER C 80
  • RA 1200 BLACK GRIT
  • RA 1200 GREEN GRIT
  • SC 201
  • SC 9
  • SC 9 (CARBIDE)
  • SCH 07
  • SCP 00
  • SCW 1
  • SCW 1-50M
  • SCW 15
  • SD-GP 6000
  • SD-GP 8000
  • SHINANO RUNDUM
  • SIC 11
  • SIKA III
  • SILICON CARBIDE
  • SILICON CARBIDE (SI0.5C0.5)
  • SILICON MONOCARBIDE
  • SILUNDUM
  • SIXCY
  • SSC-W 49
  • SUPERSIC
  • T 1
  • T 1 (CARBIDE)
  • TOKAWHISKER
  • TOKAWHISKER S 400
  • UA 1
  • UA 2
  • UA 3
  • UA 4
  • UA 4 (CARBIDE)
  • UF 05
  • UF 05 (CARBIDE)
  • UF 10
  • UF 10 (CARBIDE)
  • UF 15
  • UFB 10
  • ULTRAFINE
  • ULTRAFINE (CARBIDE)
  • 0Y15

Version 2.7.1 rev 3