CAS 56856-83-8|NITROSO(ACETOXYMETHYL)-METHYLAMINE

CHEMICAL IDENTIFICATION

RTECS NUMBER :

AI9150000

CHEMICAL NAME :

Acetic acid, methylnitrosaminomethyl ester

CAS REGISTRY NUMBER :

56856-83-8

LAST UPDATED :

199806

DATA ITEMS CITED :

43

MOLECULAR FORMULA :

C4-H8-N2-O3

MOLECULAR WEIGHT :

132.14

WISWESSER LINE NOTATION :

ONN1&1OV1

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 :

130 mg/kg

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - chronic pulmonary edema Gastrointestinal - ulceration or bleeding from stomach Liver - fatty liver degeneration

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

25 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 :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

25 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 - rat

DOSE/DURATION :

25 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 :

Rectal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

24 mg/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 :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

13 mg/kg

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2600 ug/m3/5H/7W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Sense Organs and Special Senses (Olfaction) - tumors Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

13 mg/kg

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Peripheral Nerve and Sensation - peripheral nerve tumors Gastrointestinal - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

50 mg/kg/10W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Tumorigenic - tumors at site of application

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

13 mg/kg

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Sense Organs and Special Senses (Ear) - effect, not otherwise specified Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Rectal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

112 mg/kg/16W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - colon tumors Tumorigenic - tumors at site of application

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Rectal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

12 mg/kg/46W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - colon tumors Reproductive - Tumorigenic effects - uterine tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - hamster

DOSE/DURATION :

20 mg/kg/21W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Tumorigenic - tumors at site of application

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

60 mg/kg/90D-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

13 mg/kg

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Gastrointestinal - colon tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

70 mg/kg/20W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

50 mg/kg/10W-I

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Tumorigenic - tumors at site of application

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

90 mg/kg/37W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Cardiac - tumors Lungs, Thorax, or Respiration - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

13 mg/kg

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Gastrointestinal - colon tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

13 mg/kg

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Gastrointestinal - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

13 mg/kg

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Reproductive - Tumorigenic effects - testicular tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Rectal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

20 mg/kg/10W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

DOSE :

6 mg/kg

SEX/DURATION :

female 11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - musculoskeletal system

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

DOSE :

10 mg/kg

SEX/DURATION :

female 11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intravenous

DOSE :

10 mg/kg

SEX/DURATION :

female 11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

TYPE OF TEST :

Specific locus test

TYPE OF TEST :

Sex chromosome loss and nondisjunction

TYPE OF TEST :

DNA damage

TYPE OF TEST :

DNA adduct

MUTATION DATA

TYPE OF TEST :

Mutation in mammalian somatic cells

TEST SYSTEM :

Rodent - hamster Lung

DOSE/DURATION :

100 umol/L

REFERENCE :

GANNA2 Gann. Japanese Journal of Cancer Research. (Tokyo, Japan) V.1-75, 1907-84. For publisher information, see JJCREP. Volume(issue)/page/year: 72,531,1981