CAS 431-03-8|butane-2,3-dione

CHEMICAL IDENTIFICATION

RTECS NUMBER :

EK2625000

CHEMICAL NAME :

2,3-Butanedione

CAS REGISTRY NUMBER :

431-03-8

BEILSTEIN REFERENCE NO. :

0605398

LAST UPDATED :

199712

DATA ITEMS CITED :

12

MOLECULAR FORMULA :

C4-H6-O2

MOLECULAR WEIGHT :

86.10

WISWESSER LINE NOTATION :

1VV1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1580 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

400 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay) Vascular - regional or general arteriolar or venous dilation

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

>5 gm/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 - guinea pig

DOSE/DURATION :

990 mg/kg

TOXIC EFFECTS :

Behavioral - ataxia Behavioral - coma Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

48600 mg/kg/90D-I

TOXIC EFFECTS :

Liver - changes in liver weight Endocrine - changes in adrenal weight Blood - pigmented or nucleated red blood cells

MUTATION DATA

TEST SYSTEM :

Rodent - rat

DOSE/DURATION :

1500 mg/kg

REFERENCE :

JJCREP Japanese Journal of Cancer Research. (Elsevier Science Pub. BV, POB 211, 1000 AE Amsterdam, Netherlands) V.76- 1985- Volume(issue)/page/year: 76,809,1985 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84595 No. of Facilities: 126 (estimated) No. of Industries: 3 No. of Occupations: 6 No. of Employees: 1503 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84595 No. of Facilities: 185 (estimated) No. of Industries: 3 No. of Occupations: 13 No. of Employees: 3438 (estimated) No. of Female Employees: 1628 (estimated)

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