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21840-68-6

21840-68-6结构式
21840-68-6结构式

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英文名 4-[(4-chlorophenyl)carbamoyloxy]but-2-ynyl N-(4-chlorophenyl)carbamate
英文别名 Carbanilic acid,2-butynylene ester
WLN: GR DMVO2UU2OVMR DG
密度 1.459g/cm3
沸点 472.7ºC at 760 mmHg
分子式 C18H14Cl2N2O4
分子量 393.22100
闪点 239.7ºC
精确质量 392.03300
PSA 76.66000
LogP 4.94000
蒸汽压 4.19E-09mmHg at 25°C
折射率 1.66

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ES0650000
CHEMICAL NAME :
2-Butyne-1,4-diol, bis(p-chlorophenylcarbamate)
CAS REGISTRY NUMBER :
21840-68-6
LAST UPDATED :
197901
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C18-H14-Cl2-N2-O4
MOLECULAR WEIGHT :
393.24
WISWESSER LINE NOTATION :
GR DMVO2UU2OVMR DG

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 :
56 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#04955