Bis(triphenylsilyl) chromate

Modify Date: 2024-01-10 18:02:13

Bis(triphenylsilyl) chromate Structure
Bis(triphenylsilyl) chromate structure
Common Name Bis(triphenylsilyl) chromate
CAS Number 1624-02-8 Molecular Weight 634.788
Density N/A Boiling Point N/A
Molecular Formula C36H30CrO4Si2 Melting Point 159ºC(dec.)(lit.)
MSDS Chinese USA Flash Point N/A
Symbol GHS07 GHS08 GHS09
GHS07, GHS08, GHS09
Signal Word Danger

 Names

Name Bis(triphenylsilyl) chromate
Synonym More Synonyms

 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

 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
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

~65%

Bis(triphenylsilyl) chromate Structure

Bis(triphenylsi...

CAS#:1624-02-8

Literature: China Paeto-Chemical Corporation; Research Institute of Petroleum Processing SINOPEC Patent: US5698723 A1, 1997 ;

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Bis(triphenylsilyl) chromate Structure

Bis(triphenylsi...

CAS#:1624-02-8

Literature: Inorganic Chemistry, , vol. 29, p. 1807 - 1811

 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%

 Synonyms

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