甲基氨基甲酸间甲苯酯

Description

m-tolyl methylcarbamate · CAS 1129-41-5 · C9H11NO2. UNII 4N7OMZ879V. Boiling Point: 360 °C @760 [mm Hg]; Melting Point: 169 to 171 °F (EPA, 1998); Melting Point: 76-77 °C.

Identification

CAS Registry Number	1129-41-5
PubChem CID	14322
Molecular formula	C9H11NO2
IUPAC name	(3-methylphenyl) N-methylcarbamate
UNII (FDA)	4N7OMZ879V

Computed Descriptors

Molecular Weight	165.19
XLogP3	1.7
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	165.078978594
Monoisotopic Mass	165.078978594
Topological Polar Surface Area	38.3
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Boiling Point	360 °C @760 [mm Hg]
Melting Point	169 to 171 °F (EPA, 1998)
Melting Point	76-77 °C
Solubility	2.6 g/l water at 30 °C
Vapor Pressure	1e-05 mmHg at 77 °F (EPA, 1998)
Vapor Pressure	0.00001 [mmHg]
Vapor Pressure	1X10-5 mm Hg at 25 °C
Vapor Pressure	0.00001 [mm Hg] @25 °C
LogP	Log Kow = 1.70
LogP	1.73

Physical description & handling notes

• Metolcarb is a colorless crystalline solid. Metolcarb is an insecticide for the control of rice leafhoppers, planthoppers, codling moth, citrus mealybug, onion thrips, fruit flies, bollworms and aphids. Not registered as a pesticide in the U.S. (EPA, 1998)
• Colorless solid; [HSDB]
• Colorless crystalline solid
• Soluble in polar organic solvents (eg, cyclohexanone 790 g/kg at 30 °C, xylene 100 g/kg at 30 °C)
• Sparingly soluble in non-polar solvents
• 880 g/kg methanol at room temperature

GHS Hazard Classification

Reported hazard statements	H302, H411, H301, H311, H371, H373

Documented Uses

• An insecticide used to control sucking insects on rice such as leafhoppers and planthoppers. Used for control of citrus mealybugs, onion thrips, Mediterranean fruit flies, pink bollworms and cotton aphids.
• m-Cresol + methyl isocyanate (isocyanate addition).
• Carbamic acid, N-methyl-, 3-methylphenyl ester: ACTIVE
• The carbamates are hydrolyzed enzymatically by the liver; degradation products are excreted by the kidneys and the liver. (L793)

Synonyms

METOLCARB; 1129-41-5; m-Tolyl methylcarbamate; Metacrate; Tsumacide; MTMC; m-Cresyl methylcarbamate; 3-Methylphenyl methylcarbamate; Tsumaunka; m-Tolyl N-methylcarbamate; 3-Tolyl methylcarbamate; 3-Methylphenyl N-methylcarbamate; m-Cresyl N-methylcarbamate; m-Methylphenyl methylcarbamate; 3-Tolyl N-methylcarbamate; Metholcarb

Frequently Asked Questions

What are the CAS number and molecular formula of m-tolyl methylcarbamate?

CAS 1129-41-5; molecular formula C9H11NO2; molecular weight — g/mol.

What other names is m-tolyl methylcarbamate known by?

METOLCARB, 1129-41-5, m-Tolyl methylcarbamate, Metacrate, Tsumacide, MTMC.

Is m-tolyl methylcarbamate classified as hazardous?

Hazard statements reported: H302, H411, H301, H311, H371.

What are the key physical properties of m-tolyl methylcarbamate?

Boiling Point: 360 °C @760 [mm Hg]; Melting Point: 169 to 171 °F (EPA, 1998); Melting Point: 76-77 °C; Solubility: 2.6 g/l water at 30 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.