CAS 622-97-9|4-Methylstyrene

CHEMICAL IDENTIFICATION

RTECS NUMBER :

WL5076000

CHEMICAL NAME :

Styrene, p-methyl-

CAS REGISTRY NUMBER :

622-97-9

BEILSTEIN REFERENCE NO. :

1209317

LAST UPDATED :

199710

DATA ITEMS CITED :

15

MOLECULAR FORMULA :

C9-H10

MOLECULAR WEIGHT :

118.19

WISWESSER LINE NOTATION :

1U1R D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2255 mg/kg

TOXIC EFFECTS :

Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - other changes

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2324 mg/kg

TOXIC EFFECTS :

Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - other changes

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1072 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

581 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

280 mg/kg

TOXIC EFFECTS :

Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - other changes

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

>5 gm/kg

TOXIC EFFECTS :

Gastrointestinal - nausea or vomiting Gastrointestinal - changes in structure or function of salivary glands Behavioral - tremor

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

>5 mL/kg

TOXIC EFFECTS :

Skin and Appendages - dermatitis, other (after systemic exposure)

MUTATION DATA

TYPE OF TEST :

Sister chromatid exchange

TEST SYSTEM :

Human Lymphocyte

DOSE/DURATION :

330 umol/L

REFERENCE :

CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 2,237,1981 *** REVIEWS *** IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,373,1994 IARC Cancer Review:Animal LACK CARCINOGENICITY IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,373,1994 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,373,1994 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2573 No. of Facilities: 460 (estimated) No. of Industries: 7 No. of Occupations: 10 No. of Employees: 5274 (estimated) No. of Female Employees: 377 (estimated)

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