CAS 1937-37-7 | C.I. Direct Black 38

[1]. Beije B. Induction of unscheduled DNA synthesis in liver and micronucleus in bone marrow of rats exposed in vivo to the benzidine-derived azo dye, Direct Black 38. Mutat Res. 1987 Apr;187(4):227-34.

CHEMICAL IDENTIFICATION

RTECS NUMBER :

QJ6160000

CHEMICAL NAME :

2,7-Naphthalenedisulfonic acid, 4-amino-3-((4'-((2,4-diaminophenyl)azo)(1,1'-biphenyl )-4-yl) azo)-5-hydroxy-6-(phenylazo)-, disodium salt

CAS REGISTRY NUMBER :

1937-37-7

LAST UPDATED :

199801

DATA ITEMS CITED :

32

MOLECULAR FORMULA :

C34-H25-N9-O7-S2.2Na

MOLECULAR WEIGHT :

781.78

WISWESSER LINE NOTATION :

L66J BZ CNUNR DR DNUNR DR DNUNR BZ DZ&&& DSWO HSWO INUNR JQ &-NA- 2

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 :

7600 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Gastrointestinal - hypermotility, diarrhea

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

180 gm/m3/1H

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 :

Rodent - rabbit

DOSE/DURATION :

1262 mg/kg

TOXIC EFFECTS :

Kidney, Ureter, Bladder - other changes in urine composition Kidney, Ureter, Bladder - other changes 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 :

6825 mg/kg/13W-C

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

34 mg/kg/60W-C

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Implant

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

80 mg/kg

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

13286 mg/kg/13W-C

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

5 gm/kg

SEX/DURATION :

female 8-12 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Newborn - other postnatal measures or effects

TYPE OF TEST :

Micronucleus test

TYPE OF TEST :

Unscheduled DNA synthesis

MUTATION DATA

TYPE OF TEST :

Body fluid assay

TEST SYSTEM :

Rodent - rat Bacteria - Salmonella typhimurium

DOSE/DURATION :

300 mg/kg

REFERENCE :

IAEHDW International Archives of Occupational and Environmental Health. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.35- 1975- Volume(issue)/page/year: 49,177,1981 *** REVIEWS *** IARC Cancer Review:Animal Sufficient 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: 29,295,1982 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: 29,295,1982 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1410 No. of Facilities: 704 (estimated) No. of Industries: 10 No. of Occupations: 27 No. of Employees: 16432 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1410 No. of Facilities: 298 (estimated) No. of Industries: 7 No. of Occupations: 12 No. of Employees: 11374 (estimated) No. of Female Employees: 5821 (estimated)

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