21840-68-6

21840-68-6 structure
21840-68-6 structure
  • Name: Carbanilic acid, p-chloro-, 2-butynylene ester
  • Chemical Name: 4-[(4-chlorophenyl)carbamoyloxy]but-2-ynyl N-(4-chlorophenyl)carbamate
  • CAS Number: 21840-68-6
  • Molecular Formula: C18H14Cl2N2O4
  • Molecular Weight: 393.22100
  • Create Date: 2017-12-13 16:43:30
  • Modify Date: 2024-01-16 22:53:58

Name 4-[(4-chlorophenyl)carbamoyloxy]but-2-ynyl N-(4-chlorophenyl)carbamate
Synonyms Carbanilic acid,2-butynylene ester
WLN: GR DMVO2UU2OVMR DG
Density 1.459g/cm3
Boiling Point 472.7ºC at 760 mmHg
Molecular Formula C18H14Cl2N2O4
Molecular Weight 393.22100
Flash Point 239.7ºC
Exact Mass 392.03300
PSA 76.66000
LogP 4.94000
Vapour Pressure 4.19E-09mmHg at 25°C
Index of Refraction 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