National Toxicology Program

National Toxicology Program
https://ntp.niehs.nih.gov/go/7600

Target Organs and Levels of Evidence for TR-263

Toxicology and Carcinogenesis Studies of 1,2-Dichloropropane (Propylene Dichloride) (CASRN 78-87-5) in F344/N Rats and B6C3F1 Mice (Gavage Studies)

Chemical (Study Title)
CASRN
Peer Review DatePrimary UsesRoute/Exposure LevelsStudy Laboratory
1,2-Dichloropropane (propylene dichloride)
78-87-5
06/29/1983Intermediate; in finishes, dry cleaning fluids, and paint removers; fumigant, insecticide for stored grains, fruits, solvent in plastics, in antiknock compounds (HSDB 1990). Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.Gavage
FR&M: 0,125,250, MR: 0,62,125 MG/KG/50 PER GROUP
T.S.I. Mason Laboratories, Inc.

Levels of Evidence

Male Rats: No Evidence
Female Rats: Equivocal Evidence
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Mammary Gland: ADENOCARCINOMA 1/50 2/50 5/50
Male Mice: Some Evidence
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Liver: ADENOMA 7/50 10/50 17/50
Female Mice: Some Evidence
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Liver: ADENOMA 1/50 5/50 5/50


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