62-23-7

MOLECULAR FORMULA :

C7-H5-N-O4

MOLECULAR WEIGHT :

167.13

WISWESSER LINE NOTATION :

WNR DVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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 :

1960 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - lacrimation 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 :

1210 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Parenteral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

1960 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

880 mg/kg

TOXIC EFFECTS :

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

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

770 mg/kg

TOXIC EFFECTS :

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

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Parenteral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1470 mg/kg

TOXIC EFFECTS :

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

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

11760 mg/kg/14D-C

TOXIC EFFECTS :

Blood - normocytic anemia Blood - methemoglobinemia-carboxyhemoglobin Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10400 mg/kg/13W-C

TOXIC EFFECTS :

Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - changes in spleen

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

56 gm/kg/14D-C

TOXIC EFFECTS :

Liver - changes in liver weight Endocrine - changes in thymus weight

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

11050 mg/kg/13W-C

TOXIC EFFECTS :

Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

45063 mg/kg/2Y-C

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Skin and Appendages - tumors

MUTATION DATA

TYPE OF TEST :

Sister chromatid exchange

TEST SYSTEM :

Rodent - hamster Ovary

DOSE/DURATION :

1 gm/L

REFERENCE :

ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 9,269,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 2 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83217 No. of Facilities: 32 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 396 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83217 No. of Facilities: 3573 (estimated) No. of Industries: 31 No. of Occupations: 46 No. of Employees: 42700 (estimated) No. of Female Employees: 12407 (estimated)