6974-12-5

6974-12-5 structure
6974-12-5 structure

Name trans-1,4-dibromo-2-butene
Synonyms 1,4-Dibromobut-2-ene
Wln: E2U2e
1,4-dibromobutene
EINECS 212-472-7
MFCD00000249
tl80
1,4-DIBROMO-2-BUTENE
2-Butene,1,4-dibromo
1,4-Dibrom-but-2-en
1,4-dibromo-2-buten
TRANS-1,4-DIBROMOBUT-2-ENE
Cis-1,4-DibromoButene
Density 1.867g/cm3
Boiling Point 203ºC at 760 mmHg
Melting Point 48-51ºC
Molecular Formula C4H6Br2
Molecular Weight 213.89800
Flash Point 71.9ºC
Exact Mass 211.88400
LogP 2.33240
Index of Refraction 1.542
Storage condition 0-6°C

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
Hazard Codes T: Toxic;
Risk Phrases R25
Safety Phrases 26-36/37/39-45
RIDADR UN 2923 8/PG 2
WGK Germany 2
RTECS EM4725000