CAS 2409-55-4|2-tert-Butyl-4-methylphenol

CHEMICAL IDENTIFICATION

RTECS NUMBER :

GO7000000

CHEMICAL NAME :

p-Cresol, 2-tert-butyl-

CAS REGISTRY NUMBER :

2409-55-4

BEILSTEIN REFERENCE NO. :

1817645

LAST UPDATED :

199712

DATA ITEMS CITED :

19

MOLECULAR FORMULA :

C11-H16-O

MOLECULAR WEIGHT :

164.27

WISWESSER LINE NOTATION :

QR D1 BX1&1&1

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 :

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 :

2500 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - ataxia Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

700 mg/kg

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - acute pulmonary edema Gastrointestinal - ulceration or bleeding from small intestine

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

144 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 :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

10 mg/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 :

Oral

SPECIES OBSERVED :

Mammal - cat

DOSE/DURATION :

940 mg/kg

TOXIC EFFECTS :

Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - tremor Behavioral - coma

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

2100 mg/kg

TOXIC EFFECTS :

Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - tremor Behavioral - coma

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

2200 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 - guinea pig

DOSE/DURATION :

1180 mg/kg

TOXIC EFFECTS :

Behavioral - sleep Behavioral - ataxia Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

8100 mg/kg/30D-I

TOXIC EFFECTS :

Liver - changes in liver weight Kidney, Ureter, Bladder - urine volume decreased Blood - pigmented or nucleated red blood cells

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10 mg/m3/15W-I

TOXIC EFFECTS :

Endocrine - other changes Blood - changes in erythrocyte (RBC) count

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - hamster

DOSE/DURATION :

84 gm/kg/20W-C

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Gastrointestinal - tumors

MUTATION DATA

TEST SYSTEM :

Rodent - rat

DOSE/DURATION :

336 gm/kg/8W (Continuous)

REFERENCE :

CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 11,425,1990 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2329 No. of Facilities: 736 (estimated) No. of Industries: 7 No. of Occupations: 8 No. of Employees: 12254 (estimated) No. of Female Employees: 786 (estimated)

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