105-40-8

105-40-8 structure
105-40-8 structure

Name n-methylurethane
Synonyms N-Methylcarbamic Acid Ethyl Ester
MFCD00041924
ethyl N-methylcarbamate
Ethyl methylcarbamate
EINECS 203-295-6
N-Methylurethane
Density 0.964g/cm3
Boiling Point 172ºC at 760mmHg
Molecular Formula C4H9NO2
Molecular Weight 103.12000
Flash Point 57.8ºC
Exact Mass 103.06300
PSA 38.33000
LogP 0.75320
Vapour Pressure 1.36mmHg at 25°C
Index of Refraction 1.418-1.42

CHEMICAL IDENTIFICATION

RTECS NUMBER :
FC2625000
CHEMICAL NAME :
Carbamic acid, methyl-, ethyl ester
CAS REGISTRY NUMBER :
105-40-8
BEILSTEIN REFERENCE NO. :
1743375
LAST UPDATED :
199710
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C4-H9-N-O2
MOLECULAR WEIGHT :
103.14
WISWESSER LINE NOTATION :
2OVM1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1360 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
10 gm/kg/1W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
6500 mg/kg/13W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
495 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - body wall Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
495 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Rodent - mouse Lymphocyte
DOSE/DURATION :
5 mmol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 174,285,1986
Hazard Codes Xn
Risk Phrases 40
Safety Phrases S36/S37
RTECS FC2625000
HS Code 2924199090
HS Code 2924199090
Summary 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%