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77-79-2

77-79-2 structure
77-79-2 structure

Name Butadiene sulfone
Synonyms 2,5-Dihydrothiophene-1,1-dioxide
Sulfolene
MFCD00005481
2,5-dihydrothiophene dioxide
butadiene sulfone
EINECS 201-059-7
3-Sulfolene
2,5-Dihydrothiophene, 1,1-dioxide
Sulpholene
Thiophene, 2,5-dihydro-, 1,1-dioxide
2,5-dihydrothiophene 1,1-dioxide
Density 1.3±0.1 g/cm3
Boiling Point 299.2±29.0 °C at 760 mmHg
Melting Point 65 - 66ºC
Molecular Formula C4H6O2S
Molecular Weight 118.154
Flash Point 188.4±16.9 °C
Exact Mass 118.008850
PSA 42.52000
LogP -0.87
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.527
Stability Stable, but decomposes above the melting point. Combustible. Incompatible with strong oxidizing agents.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XM9100000
CHEMICAL NAME :
Thiophene, 2,5-dihydro-, 1,1-dioxide
CAS REGISTRY NUMBER :
77-79-2
BEILSTEIN REFERENCE NO. :
0107004
LAST UPDATED :
199710
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C4-H6-O2-S
MOLECULAR WEIGHT :
118.16
WISWESSER LINE NOTATION :
T5SW CUTJ

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 :
2830 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 :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3200 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0534337
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1600 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of esophagus
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0534337
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1700 mg/kg
TOXIC EFFECTS :
Biochemical - Metabolism (Intermediary) - effect on inflammation or mediation of inflammation
REFERENCE :
PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 12,1568,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/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
Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H318
Precautionary Statements P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26-S37-S39
RIDADR UN 3335
WGK Germany 1
RTECS XM9100000