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Substance Name: CR (lacrimator)
RN: 257-07-8
UNII: C1Q77A87V1
InChIKey: NPUACKRELIJTFM-UHFFFAOYSA-N

Note

  • CR irritant.

Molecular Formula

  • C13-H9-N-O

Molecular Weight

  • 195.2201
 

Classification Codes

  • Reproductive Effect
  • Skin / Eye Irritant
  • Tumor Data
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Names and Synonyms

Results Name

  • CR (lacrimator)

Name of Substance

  • Dibenz(b,f)(1,4)oxazepine

Synonyms

  • Agent CR
  • BRN 0743986
  • CR
  • CR (lacrimator)
  • Dibenz(b,f)(1,4)oxazepine
  • Dibenzoxazepine
  • EA 3547
  • HSDB 7598
  • NSC 293779
  • UNII-C1Q77A87V1

Systematic Name

  • Dibenz(b,f)(1,4)oxazepine

Registry Numbers

CAS Registry Number

  • 257-07-8

FDA UNII

  • C1Q77A87V1

System Generated Number

  • 0000257078

Structure Descriptors

InChI

1S/C13H9NO/c1-3-7-12-10(5-1)9-14-11-6-2-4-8-13(11)15-12/h1-9H

InChIKey

NPUACKRELIJTFM-UHFFFAOYSA-N

Smiles

O1c2ccccc2C=Nc3ccccc13

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LCLo inhalation 1500mg/m3/2H (1500mg/m3)   Toxicology. Vol. 8, Pg. 347, 1977.
guinea pig LD50 intraperitoneal 463mg/kg (463mg/kg) BEHAVIORAL: ATAXIA

BEHAVIORAL: MUSCLE WEAKNESS

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
Toxicology. Vol. 8, Pg. 347, 1977.
guinea pig LD50 oral 629mg/kg (629mg/kg) BEHAVIORAL: COMA

BEHAVIORAL: ATAXIA

BEHAVIORAL: GENERAL ANESTHETIC
Toxicology. Vol. 8, Pg. 347, 1977.
hamster LCLo inhalation 1850mg/m3/3H (1850mg/m3)   Toxicology. Vol. 8, Pg. 347, 1977.
mouse LCLo inhalation 1500mg/m3/2H (1500mg/m3)   Toxicology. Vol. 8, Pg. 347, 1977.
mouse LD50 intraperitoneal 242mg/kg (242mg/kg)   Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
mouse LD50 intravenous 37200ug/kg (37.2mg/kg)   Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
mouse LD50 oral 770mg/kg (770mg/kg)   Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
rabbit LCLo inhalation 1500mg/m3/2H (1500mg/m3)   Toxicology. Vol. 8, Pg. 347, 1977.
rabbit LD50 intravenous 26mg/kg (26mg/kg)   Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
rabbit LD50 oral 1760mg/kg (1760mg/kg) BEHAVIORAL: ATAXIA

BEHAVIORAL: GENERAL ANESTHETIC

BEHAVIORAL: COMA
Toxicology. Vol. 8, Pg. 347, 1977.
rabbit LD50 skin > 400mg/kg (400mg/kg)   Toxicology. Vol. 8, Pg. 347, 1977.
rat LD50 intraperitoneal 164mg/kg (164mg/kg)   Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
rat LD50 intravenous 26mg/kg (26mg/kg)   Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,
rat LD50 oral 563mg/kg (563mg/kg)   Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974Vol. 17JUN1974,