mercaptoethanol

DATA ITEMS CITED :

20

MOLECULAR FORMULA :

C2-H6-O-S

MOLECULAR WEIGHT :

78.14

WISWESSER LINE NOTATION :

SH2Q

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 :

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 :

244 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

250 ppm/8H

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 :

190 mg/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

13200 mg/m3

TOXIC EFFECTS :

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 :

200 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 :

Unreported

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

480 mg/kg

TOXIC EFFECTS :

Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

150 uL/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 - guinea pig

DOSE/DURATION :

300 uL/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 :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

3220 mg/kg/4W-I

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death

MUTATION DATA

TYPE OF TEST :

Unscheduled DNA synthesis

TEST SYSTEM :

Rodent - mouse Cells - not otherwise specified

DOSE/DURATION :

30 mmol/L

REFERENCE :

BBACAQ Biochimica et Biophysica Acta. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1947- Volume(issue)/page/year: 425,1,1976 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 1 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84674 No. of Facilities: 133 (estimated) No. of Industries: 4 No. of Occupations: 6 No. of Employees: 1437 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84674 No. of Facilities: 1497 (estimated) No. of Industries: 5 No. of Occupations: 13 No. of Employees: 14140 (estimated) No. of Female Employees: 4607 (estimated)