CAS 123-54-6|2,4-Pentandione

CHEMICAL IDENTIFICATION

RTECS NUMBER :

SA1925000

CHEMICAL NAME :

2,4-Pentanedione

CAS REGISTRY NUMBER :

123-54-6

BEILSTEIN REFERENCE NO. :

0741937

LAST UPDATED :

199710

DATA ITEMS CITED :

22

MOLECULAR FORMULA :

C5-H8-O2

MOLECULAR WEIGHT :

100.13

WISWESSER LINE NOTATION :

1V1V1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Open irritation test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

Open irritation test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

55 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - rigidity (including catalepsy)

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1000 ppm/4H

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

400 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

951 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

750 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

810 uL/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

20 mL/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10 gm/kg/2W-I

TOXIC EFFECTS :

Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

805 ppm/6H/9D-I

TOXIC EFFECTS :

Endocrine - changes in thymus weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

650 ppm/6H/14W-I

TOXIC EFFECTS :

Brain and Coverings - other degenerative changes Brain and Coverings - changes in brain weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

6 gm/kg/12D-I

TOXIC EFFECTS :

Brain and Coverings - other degenerative changes Spinal Cord - other degenerative changes Related to Chronic Data - death

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

DOSE :

398 ppm/6H

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

TYPE OF TEST :

Dominant lethal test

MUTATION DATA

TYPE OF TEST :

Mutation in mammalian somatic cells

TEST SYSTEM :

Rodent - hamster Ovary

DOSE/DURATION :

80 mg/L

REFERENCE :

EPASR* United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0386-0595 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84754 No. of Facilities: 221 (estimated) No. of Industries: 3 No. of Occupations: 3 No. of Employees: 3030 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84754 No. of Facilities: 350 (estimated) No. of Industries: 9 No. of Occupations: 23 No. of Employees: 6171 (estimated) No. of Female Employees: 1577 (estimated)

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