Bis(triphenylsilyl) chromate

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Names

[ CAS No. ]:
1624-02-8

[ Name ]:
Bis(triphenylsilyl) chromate

[Synonym ]:
Bis(triphenylsilyl) chromate
Chromium, dioxobis(1,1,1-triphenylsilanolato)-
Bis(triphenylsilyl) ester chromic acid
Bistriphenylsilylchromat
MFCD01736354
Dioxo[bis(triphenylsilanolato)]chromium
EINECS 216-612-8

Chemical & Physical Properties

[ Melting Point ]:
159ºC(dec.)(lit.)

[ Molecular Formula ]:
C36H30CrO4Si2

[ Molecular Weight ]:
634.788

[ Exact Mass ]:
634.108765

[ PSA ]:
52.60000

[ LogP ]:
4.03120

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GB2685000
CHEMICAL NAME :
Chromic acid, bis(triphenylsilyl) ester
CAS REGISTRY NUMBER :
1624-02-8
LAST UPDATED :
199712
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C36-H30-Cr-O4-Si2
MOLECULAR WEIGHT :
634.84
WISWESSER LINE NOTATION :
R-SI-R&R&O-CR-WO-SI-R&R&R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3360 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 28,313,1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
710 mg/kg
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 28,313,1974 *** REVIEWS *** ACGIH TLV-TWA 0.05 mg(Cr)/m3 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-Confirmed 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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Cr)/m3 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: 3,35,1971 OSHA PEL (Gen Indu):CL 0.1 mg(CrO3)/m3 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):CL 0.1 mg(CrO3)/m3 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):CL 0.1 mg(CrO3)/m3 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 (Fed Cont):CL 0.1 mg(CrO3)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CHROMIUM(VI)-air:10H CA TWA 0.001 mg(Cr)/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

Safety Information

[ Symbol ]:

GHS07, GHS08, GHS09

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H317-H350i-H410

[ Precautionary Statements ]:
P201-P273-P280-P308 + P313-P501

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges

[ Hazard Codes ]:
N: Dangerous for the environment;T: Toxic;

[ Risk Phrases ]:
R49

[ Safety Phrases ]:
53-45-60-61

[ RIDADR ]:
UN 2811 6

[ WGK Germany ]:
2

[ RTECS ]:
GB2685000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1(b)

[ HS Code ]:
2931900090

Synthetic Route

Customs

[ HS Code ]: 2931900090

[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%


Related Compounds

  • Bis-triphenylsilyl-diaethylamino-boran
  • 1.2-Bis-triphenylsilyl-butan
  • 1.1-Bis-(triphenylsilyl)-methanol
  • diphenyl-bis(triphenylsilyl)silane
  • Ameisensaeure-bis-[triphenylsilyl]-methylester
  • silicon phthalocyanine bis(triphenylsilyl oxide)
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 2-(2-methoxyphenoxy)-N-(4,5,6,7-tetrahydro-2,1-benzoxazol-3-yl)propanamide
  • 3-(4-Iodo-2-methylphenyl)propanoic acid
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • 4-[(15S)-10-(3-methoxyphenyl)-12,14-dioxo-8,11,13-triazatetracyclo[7.7.0.02,7.011,15]hexadeca-1(9),2,4,6-tetraen-13-yl]-N-(3-methoxypropyl)benzamide
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 2-{1-[2-(2,3-Difluoro-phenyl)-ethyl]-6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl}-2-phenyl-acetamide