2-Butene, 1,4-dibromo-

物化性质

外观与性状：

白色晶体

密度：

1.867g/cm3

熔点：

48-51ºC

沸点：

203ºC at 760 mmHg

闪点：

71.9ºC

折射率：

1.542

安全信息

外观与性状：

白色晶体

密度：

1.867g/cm3

熔点：

48-51ºC

沸点：

203ºC at 760 mmHg

闪点：

71.9ºC

折射率：

1.542

毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :

EM4550000

CHEMICAL NAME :

2-Butene, 1,4-dibromo-

CAS REGISTRY NUMBER :

6974-12-5

BEILSTEIN REFERENCE NO. :

1719694

LAST UPDATED :

199806

DATA ITEMS CITED :

3

MOLECULAR FORMULA :

C4-H6-Br2

MOLECULAR WEIGHT :

213.92

WISWESSER LINE NOTATION :

E2U2E

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 :

75 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 10,61,1954

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1260 mg/m3/10M

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NDRC** National Defense Research Committee, Office of Scientific Research and Development, Progress Report. Volume(issue)/page/year: NDCrc-132,AUG1942

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

3750 ug/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia

REFERENCE :

CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 5,338,1953