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25497-30-7生产厂家

25497-30-7价格

25497-30-7

25497-30-7结构式
25497-30-7结构式

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中文名 1,1-二溴四氟乙烷
英文名 dibromotetrafluoroethane
中文别名 1,1-二溴-1,2,2,2-四氟乙烷
英文别名 Dwubromoczterofluoroetan
Ethane,dibromotetrafluoro
Dwubromoczterofluoroetan [polish]
Einecs 247-042-8
TETRAFLUORODIBROMOETHANE
Feb2
1,1-Dibromo-1,2,2,2-Tetrafluoroethane
密度 2.366g/cm3
沸点 49.8ºC at 760mmHg
分子式 C2Br2F4
分子量 259.82300
精确质量 257.83000
LogP 2.96180
蒸汽压 308mmHg at 25°C
折射率 1.412

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KH9370000
CHEMICAL NAME :
Ethane, dibromotetrafluoro-
CAS REGISTRY NUMBER :
25497-30-7
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C2-Br2-F4
MOLECULAR WEIGHT :
259.84
WISWESSER LINE NOTATION :
FXFFXFEE

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 :
54650 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BCTKAG Bromatologia i Chemia Toksykologiczna. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.4- 1971- Volume(issue)/page/year: 17,45,1984
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
125580 ppm/15M
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MRLR** U.S. Army, Chemical Corps Medical Laboratories Research Reports. (Army Chemical Center, Edgewood Arsenal, MD) Volume(issue)/page/year: #23,1950
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
295 gm/m3/2H
TOXIC EFFECTS :
Behavioral - rigidity (including catalepsy) Liver - other changes Kidney, Ureter, Bladder - other changes
REFERENCE :
TLSMA6 Trudy Leningradskogo Sanitarno-Gigienicheskogo Meditsinskogo Instituta. (Leningrad, Russia) V.1-145, 1949-82. Discontinued. Volume(issue)/page/year: 111,10,1975 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
445 gm/kg/33D-I
TOXIC EFFECTS :
Blood - other changes Biochemical - Metabolism (Intermediary) - lipids including transport Biochemical - Metabolism (Intermediary) - Plasma proteins not involving coagulation
REFERENCE :
BCTKAG Bromatologia i Chemia Toksykologiczna. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.4- 1971- Volume(issue)/page/year: 17,45,1984
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
30 gm/m3/4H/17W-I
TOXIC EFFECTS :
Behavioral - alteration of classical conditioning Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
TLSMA6 Trudy Leningradskogo Sanitarno-Gigienicheskogo Meditsinskogo Instituta. (Leningrad, Russia) V.1-145, 1949-82. Discontinued. Volume(issue)/page/year: 111,10,1975 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 1000 mg/m3 JAN 1993