Diphenyldiselenide

Modify Date: 2025-08-25 14:27:21

Diphenyldiselenide Structure
Diphenyldiselenide structure
 Common Name Diphenyldiselenide
CAS Number 1666-13-3 Molecular Weight 312.128
Density N/A Boiling Point 377.3±25.0 °C at 760 mmHg
Molecular Formula C12H10Se2 Melting Point 60-63ºC
MSDS N/A Flash Point 182.0±23.2 °C

 Names

Name Diphenyl diselenide
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 377.3±25.0 °C at 760 mmHg
Melting Point 60-63ºC
Molecular Formula C12H10Se2
Molecular Weight 312.128
Flash Point 182.0±23.2 °C
Exact Mass 313.911285
LogP 5.91
Vapour Pressure 0.0±0.8 mmHg at 25°C
Water Solubility Insoluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
JM9152500
CHEMICAL NAME :
Diselenide, diphenyl-
CAS REGISTRY NUMBER :
1666-13-3
LAST UPDATED :
199712
DATA ITEMS CITED :
25
MOLECULAR FORMULA :
C12-H10-Se2
MOLECULAR WEIGHT :
312.14
WISWESSER LINE NOTATION :
R-SE--SE-R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
28 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#05657 *** REVIEWS *** ACGIH TLV-TWA 0.2 mg(Se)/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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.2 mg(Se)/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: 3,224,1971 OSHA PEL (Gen Indu):8H TWA 0.2 mg(Se)/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):8H TWA 0.2 mg(Se)/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):8H TWA 0.2 mg(Se)/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):8H TWA 0.2 mg(Se)/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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-BELGIUM:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg(Se)/m3;STEL 0.3 mg(Se)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Se)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-POLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-TURKEY:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Se)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

 Safety Information

Hazard Codes T:Toxic;N:Dangerousfortheenvironment;
Risk Phrases R23/25;R33;R50/53
Safety Phrases S20/21-S28-S45-S60-S61
RIDADR UN 3283
WGK Germany 3
RTECS JM9152500
Packaging Group II
Hazard Class 6.1
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%

 Synonyms

Phenyl Diselenide
(phenyldiselanyl)benzene
1,2-Diphenyldiselane
EINECS 216-780-2
Diselane, 1,2-diphenyl-
Diphenyl diselenide
Diphenyldiselenide
Phenyl diselenide (8CI)
PhSeSePh
MFCD00003001
Bis(phenylselenide)
Diphenyldiselane
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