Carbamic acid,N-methyl-, phenyl ester

Modify Date: 2025-08-23 12:49:42

Carbamic acid,N-methyl-, phenyl ester Structure
Carbamic acid,N-methyl-, phenyl ester structure
 Common Name Carbamic acid,N-methyl-, phenyl ester
CAS Number 1943-79-9 Molecular Weight 151.16300
Density 1.112g/cm3 Boiling Point 215.4ºC at 760 mmHg
Molecular Formula C8H9NO2 Melting Point N/A
MSDS N/A Flash Point 84.1ºC

 Names

Name phenyl N-methylcarbamate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.112g/cm3
Boiling Point 215.4ºC at 760 mmHg
Molecular Formula C8H9NO2
Molecular Weight 151.16300
Flash Point 84.1ºC
Exact Mass 151.06300
PSA 38.33000
LogP 1.79570
Vapour Pressure 0.148mmHg at 25°C
Index of Refraction 1.518

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
FC6800000
CHEMICAL NAME :
Carbamic acid, methyl-, phenyl ester
CAS REGISTRY NUMBER :
1943-79-9
BEILSTEIN REFERENCE NO. :
2045075
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C8-H9-N-O2
MOLECULAR WEIGHT :
151.18
WISWESSER LINE NOTATION :
1MVOR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0528508 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
540 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BWHOA6 Bulletin of the World Health Organization. (WHO, Pub. Center USA, 49 Sheridan Ave., Albany, NY 12210) Volume(issue)/page/year: 44,241,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
357 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - other changes
REFERENCE :
BWHOA6 Bulletin of the World Health Organization. (WHO, Pub. Center USA, 49 Sheridan Ave., Albany, NY 12210) Volume(issue)/page/year: 44,241,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
13600 ug/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - other changes
REFERENCE :
BWHOA6 Bulletin of the World Health Organization. (WHO, Pub. Center USA, 49 Sheridan Ave., Albany, NY 12210) Volume(issue)/page/year: 44,241,1971
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>50 mg/kg
TOXIC EFFECTS :
Autonomic Nervous System - other (direct) parasympathomimetic Behavioral - coma Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB158-508
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - wild bird species
DOSE/DURATION :
>100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 15,287,1967

 Safety Information

HS Code 2924299090

 Synthetic Route

Phenyl chloroformate structure

Phenyl chloroformate

CAS#:1885-14-9

methylamine structure

methylamine

CAS#:74-89-5

~88%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Takeda Pharmaceutical Company Limited Patent: EP1500658 A1, 2005 ; Location in patent: Page 51-52 ; EP 1500658 A1
Methylamine hydrochloride structure

Methylamine hyd...

CAS#:593-51-1

Phenyl chloroformate structure

Phenyl chloroformate

CAS#:1885-14-9

~61%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Eisai Co., Ltd. Patent: EP1522540 A1, 2005 ; Location in patent: Page/Page column 48 ; EP 1522540 A1
Methylisocyanate 1 x 500mg neat structure

Methylisocyanat...

CAS#:624-83-9

Phenol structure

Phenol

CAS#:108-95-2

~79%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Ivanov; Smirnova Pharmaceutical Chemistry Journal, 1997 , vol. 31, # 1 p. 12 - 14
Carbamic acid,N-methyl-, methyl ester structure

Carbamic acid,N...

CAS#:6642-30-4

Phenol structure

Phenol

CAS#:108-95-2

~56%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Deshpande, Sunita R.; Likhite, Anjali P.; Rajappa, Srinivasachari Tetrahedron, 1994 , vol. 50, # 34 p. 10367 - 10370
Benzyl N-methy; carbamate structure

Benzyl N-methy;...

CAS#:30379-59-0

Phenol structure

Phenol

CAS#:108-95-2

~71%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Deshpande, Sunita R.; Likhite, Anjali P.; Rajappa, Srinivasachari Tetrahedron, 1994 , vol. 50, # 34 p. 10367 - 10370
O-methyl N-methylcarbamothioate structure

O-methyl N-meth...

CAS#:14128-35-9

Phenol structure

Phenol

CAS#:108-95-2

~32%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Joshi, Uday M.; Patkar, Laxmikant N.; Rajappa, Srinivasachari Synthetic Communications, 2004 , vol. 34, # 1 p. 33 - 39
Phenyl chloroformate structure

Phenyl chloroformate

CAS#:1885-14-9

~%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Sigmund; Pfleiderer Helvetica Chimica Acta, 1994 , vol. 77, # 5 p. 1267 - 1280
phenyl 5-(4-nitrophenyl)-2H-tetrazole-2-carboxylate structure

phenyl 5-(4-nit...

CAS#:161001-97-4

~%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Sigmund; Pfleiderer Helvetica Chimica Acta, 1994 , vol. 77, # 5 p. 1267 - 1280
N/A structure

N/A

CAS#:161001-98-5

~%

Carbamic acid,N-methyl-, phenyl ester Structure

Carbamic acid,N...

CAS#:1943-79-9

Literature: Sigmund; Pfleiderer Helvetica Chimica Acta, 1994 , vol. 77, # 5 p. 1267 - 1280

 Customs

HS Code 2924299090
Summary 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

N-Methylphenylcarbamate
PHENYL METHYLCARBAMATE
Phenol,methylcarbamate
Phenmec
Methyl-carbamidsaeure-phenylester
Carbamic acid,methyl-,phenyl ester
DRC 3345
carbamate de phenol
Phenyl monomethylcarbamate
phenyl-N-methyl-carbamate
Methylcarbamic acid phenyl ester
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