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Q3C: Appendix 6

DraftCenter for Drug Evaluation and Research03/18/1998

Scope & Applicability

Product Classes

1
Class 3 solvents

Category of solvents including Acetic Acid and Acetone

Stakeholders

10
F344 rats

Animal model used for carcinogenicity and toxicity testing; Animal model used in 90-day inhalation study; Subjects in inhalation toxicity study; F344 rats given 66, 200, 600, 1800 or 5000 ppm by inhalation

SC rats

given by inhalation to SC rats

NZW rabbits

Animal model used in toxicity studies; New Zealand White rabbits used in tacrolimus and thalidomide studies.

5D rats

administered by gavage to 5D rats daily

Mice

Animal model used in carcinogenicity study for 2-Propanol.

ASH/CSE rats

Specific rat strain used for 1-Pentanol animal toxicity study.

Cats

Animal model used in nervous system damage study

Swiss mice

Animal model used for teratology data

Ash/LSE rats

Animal model used in toxicity study

B6C3F1 mice

Animal model used in toxicity studies.; Animal model used in inhalation study; Carcinogenicity study subjects; Animal model used in nitromethane carcinogenicity study; Animal model used in subchronic inhalation toxicity study; Animal model used in Toluene carcinogenicity studies.; Animal model used in gavage study; Animal model used in carcinogenicity studies.

Regulatory Context

Attributes

10
NOEL 1.6g/kg

No observed effect level for reproductive toxicity in rabbits

NOEL 600 ppm

NOEL 600 ppm for CD-1 mice

NOEL 1800 ppm

NOEL 1800 ppm for SC rats; NOEL 1800 ppm. Ref. Chhabra RS et al.

NOEL 20 mg/kg

NOEL is 20 mg/kg for Rhesus monkeys

NOEL 240 mg/kg

NOEL 240 mg/kg for NZW rabbits

NOEL 400mg/kg

NOEL 400mg/kg for 5D rats

NOEL 1.5%

No Observed Effect Level for 2-Propanol in drinking water.

Oral LD50 1.9 g/kg

Lethal dose for 50% of rats for 1-Propanol.

PDE 1044.8 mg/day

Calculated PDE for 2-methyl-1-propanol

LD50 2.46 g/kg

Acute oral toxicity in rats

Identified Hazards

Hazards

1
teratogenic effect

Observed in hamsters at high doses of DMSO (exencephaly, cleft lip).

Related CFR Sections (5)

See Also (2)

Q3C: Appendix 6 | Guideline Explorer | BioRegHub