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MSDS  : Silicon carbide
CAS  : 409-21-2
SYNONYMS  : * Annanox CK * Betarundum * Betarundum ST-S * Betarundum UF * Betarundum ultrafine * Carbofrax M * Carbolon * Carbon silicide * Carborundeum * Carborundum * Crystar * Crystolon 37 * Crystolon 39 * Densic C 500 * DU-A 1 * DU-A 2 * DU-A 3 * DU-A 4 * DU-A 3C * GC 10000 * Green densic * Green densic GC 800 * Hitaceram SC 101 * KZ 3M * KZ 5M * KZ 7M * SC 9 * SC 9 (Carbide) * SC 201 * SCW 1 * SD-GP 6000 * SD-GP 8000 * Silicon carbide * Silicon monocarbide * Silundum * Tokawhisker * UA 1 * UA 2 * UA 3 * UA 4 * UF 15 * YE 5626
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : VW0450000
CHEMICAL NAME : Silicon carbide
CAS REGISTRY NUMBER : 409-21-2
OTHER CAS REGISTRY NOS. : 12504-67-5
66039-27-8
LAST UPDATED : 199712
DATA ITEMS CITED : 30
MOLECULAR FORMULA : C-Si
MOLECULAR WEIGHT : 40.10
WISWESSER LINE NOTATION : .SI..C
COMPOUND DESCRIPTOR : Tumorigen
SYNONYMS/TRADE NAMES :
* Annanox CK
* Betarundum
* Betarundum ST-S
* Betarundum UF
* Betarundum ultrafine
* Carbofrax M
* Carbolon
* Carbon silicide
* Carborundeum
* Carborundum
* Crystar
* Crystolon 37
* Crystolon 39
* Densic C 500
* DU-A 1
* DU-A 2
* DU-A 3
* DU-A 4
* DU-A 3C
* GC 10000
* Green densic
* Green densic GC 800
* Hitaceram SC 101
* KZ 3M
* KZ 5M
* KZ 7M
* SC 9
* SC 9 (Carbide)
* SC 201
* SCW 1
* SD-GP 6000
* SD-GP 8000
* Silicon carbide
* Silicon monocarbide
* Silundum
* Tokawhisker
* UA 1
* UA 2
* UA 3
* UA 4
* UF 15
* YE 5626

*** HEALTH HAZARD DATA ***

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE : Inhalation
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 60 mg/m3/6H/13W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - changes in lung weight
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year:
16,128,1991

** TUMORIGENIC DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 300 mg/kg/26W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Gastrointestinal - tumors
REFERENCE :
EKSODD Eksperimental'naya Onkologiya. Experimental Oncology. (V/O
Mezhdunarodnaya Kniga, 113095 Mosow, USSR) V.1- 1979-
Volume(issue)/page/year: 11(2),13,1989

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Implant
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 200 mg/kg
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Tumorigenic - tumors at site of application
REFERENCE :
JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC)
V.61-79, 1978-87. For publisher information, see JNCIEQ.
Volume(issue)/page/year: 67,965,1981

*** REVIEWS ***

ACGIH TLV-Not classifiable as a human carcinogen
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997

ACGIH TLV-TWA 10 mg/m3, total dust
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
(BEIs) booklet issues by American Conference of Governmental Industrial
Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year:
TLV/BEI,1997

*** U.S. STANDARDS AND REGULATIONS ***

MSHA STANDARD:NUISANCE PARTICULATES
DTLWS* "Documentation of the Threshold Limit Values for Substances in
Workroom Air," Supplements. For publisher information, see 85INA8.
Volume(issue)/page/year: 3,28,1973

OSHA PEL (Gen Indu):8H TWA 15 mg/m3, total dust
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1910.1000,1994

OSHA PEL (Gen Indu):8H TWA 5 mg/m3, respirable fraction
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1910.1000,1994

OSHA PEL (Construc):8H TWA 15 mg/m3, total dust
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1926.55,1994

OSHA PEL (Construc):8H TWA 5 mg/m3, respirable fraction
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1926.55,1994

OSHA PEL (Shipyard):8H TWA 15 mg/m3, total dust
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1915.1000,1993

OSHA PEL (Shipyard):8H TWA 5 mg/m3, respirable fraction
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt.
of Documents, Washington, DC 20402) Volume(issue)/page/year:
29,1915.1000,1993

*** OCCUPATIONAL EXPOSURE LIMITS ***

OEL-AUSTRALIA:TWA 10 mg/m3 JAN 1993

OEL-BELGIUM:TWA 10 mg/m3 JAN 1993

OEL-FRANCE:TWA 10 mg/m3 JAN 1993

OEL-GERMANY:TWA 4 mg/m3 JAN 1993

OEL-THE NETHERLANDS:TWA 10 mg/m3 JAN 1993

OEL-SWITZERLAND:TWA 4 mg/m3 JAN 1993

OEL-UNITED KINGDOM:TWA 10 mg/m3 (total dust) JAN 1993

OEL-UNITED KINGDOM:TWA 5 mg/m3 (resp. dust) JAN 1993

OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV

OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO SILICON CARBIDE, resp. fraction-air:10H TWA 5 mg/m3
REFERENCE :
NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
Health, Education, and Welfare, Reports and Memoranda.
Volume(issue)/page/year: DHHS #92-100,1992

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
NIOSH REL TO SILICON CARBIDE, total dust-air:10H TWA 10 mg/m3
REFERENCE :
NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
Health, Education, and Welfare, Reports and Memoranda.
Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 17525
No. of Facilities: 25235 (estimated)
No. of Industries: 184
No. of Occupations: 97
No. of Employees: 268082 (estimated)

NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X4228
No. of Facilities: 158 (estimated)
No. of Industries: 4
No. of Occupations: 12
No. of Employees: 8693 (estimated)
No. of Female Employees: 84 (estimated)

NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X6494
No. of Facilities: 1250 (estimated)
No. of Industries: 25
No. of Occupations: 22
No. of Employees: 17481 (estimated)
No. of Female Employees: 1482 (estimated)

NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 17525
No. of Facilities: 13729 (estimated)
No. of Industries: 129
No. of Occupations: 97
No. of Employees: 250945 (estimated)
No. of Female Employees: 19568 (estimated)

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY

EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998


*** END OF RECORD ***
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ALL Chemical Property And Toxicity Analysis PAGES IN THIS GROUP
NAMECAS
Silicate, soapstoneSUBSTANCE DEFINITION :Containing less than 1% crystalline silicaREFERENCE :FEREAC Federal Register. (U.S. Government Printing Office, Supt. ofDocuments, Washington, DC 20402) V.1- 1936- 65997-15-1
Silicic acid 7699-41-4
Silicic acid (ortho) 10193-36-9
Silicic acid (polyortho) 1343-98-2
Silicic acid, aluminum magnesium salt 1327-43-1
Silicic acid, beryllium salt 15191-85-2
Silicic acid, beryllium zinc salt 39413-47-3
SF-1508 56378-68-8
Silicic acid, calcium salt 1344-95-2
Silicic acid (H2SiO3), calcium salt (11) 10101-39-0
Silicic acid, 2-chloroethyl ester 10101-39-0
Silicic acid (H2SiO3), disodium salt 6834-92-0
Silicic acid, 2-ethylbutyl ester 68037-57-0
Silicic acid, methyl ester 12002-26-5
Silicic acid, tetra(2-ethylbutyl) ester 78-13-7
Silicic acid, tetraethyl ester 78-10-4
Silicic acid, tetra(2-fluoroethyl) ester 650-00-0
Silicic acid, tetrakis(2-chloroethyl) ester 18290-84-1
SF-1739 61991-01-3
Silicic acid (H2SiO4), tetrakis(1-methylpropyl) ester 5089-76-9
Silicic acid, tetramethyl ester 681-84-5
Silicon 7440-21-3
Silicon(1+),(1-(bis(2-hydroxyethyl)amino)-2-propanolato(3-)-N,O,O',O") (ethylmethylsulfonium eta-methylide)-, iodide,(TB-5-34)- 67349-10-4
Silicon carbide 409-21-2
Silicon chloride 10026-04-7
Silicon chrome 11133-78-1
Silicon(1+), (diethylsulfoniumeta-methylide)((1,1',1"-nitrilotris(2-propanolato))(3-)- N,O,O',O")-, bromide, (TB-5-23) 67366-36-3
Silicon(1+), ((1,1-dimethylethyl)methylsulfoniumeta-methylide)((2,2',2"-nitrilotris(ethanolato))(3-)-N,O,O',O")-, iodide, (TB-5-23)- 67349-11-5
Silicon dioxide, hydrate 67349-11-5
SF 3024-B20-KOSUBSTANCE DEFINITION :Phenol resin which is mixture of oligomersREFERENCE :GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene andOccupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)V.1-36, 1957-1992. For publisher information, see MTPEEIVolume(issue)/page/year: 28(7),53,1984 67349-11-5
Silicon,(3,3,4,4,5,5,6,6,7,7,8,8-dodecafluoro-1-iodooctyl)((2,2'2,''-nitrilotris(e thanolato))(3-)-N,O,O',O'')-,(TB-5-23)- 135798-16-2
Silicon,(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro-1-iododecyl)((2,2',2 ''-nitrilotris(ethanolato(3-)-N,O,O',O'')-, (TB-5-23)- 135798-18-4
Silicon,(3,3,4,4,5,5,5-heptafluoro-1-iodopentyl)((2,2',2''-nitrilotris(ethanolato) )(3-)- N,O,O',O'')-, (TB-5-23)- 112341-58-9
Silicon,(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10-hexadecafluoro-1-iododecyl)((2,2',2''-n itrilotris(ethanolato))(3-)-N,O,O',O'')-, (TB-5-23)- 135798-17-3
Silicon,((2,2',2''-nitrilotris(ethanolato))(3-)-N,O,O',O'')(3,3,4,4,5,5,6,6,6-nona fluoro-1- iodohexyl)-,(TB-5-23)- 135798-15-1
Silicon,((2,2',2''-nitrilotris(ethanolato))(3-)-N,O,O',O'')(3,3,4,4,5,5,6,6-octafl uoro-1- iodohexyl)-, (TB-5-23)- 135798-14-0
Silicon,((2,2',2''-nitrilotris(ethanolato))(3-)-N,O,O',O'')(3,3,4,4,5,5,6,6,7,7,8, 8,8-tridecafluoro-1-iodooctyl)-, (TB-5-23)- 135829-02-6
Silicon,((2,2',2''-nitrilotris(ethanolato))(3-)-N,O,O',O'')(3,3,3-trifluoro-1-iodo propyl)-, (TB-5-23)- 112341-57-8
Silicone 7158 112341-57-8
Silicone antifoam sag-47 112341-57-8
SF-1540 A 71329-58-3
Silicone antifoam sag-100 71329-58-3
Silicone C-25 71329-58-3
Silicone fluid L-43 71329-58-3
Silicone L-31 71329-58-3
Silicone L-42 (oil) 71329-58-3
Silicone L-45 63148-62-9
Silicone L-75 63148-53-8
Silicone L-76 63148-53-8
Silicone L-77 63148-53-8

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