巯基二甲硫脲

Description

mercaptodimethur · CAS 2032-65-7 · C11H15NO2S. UNII JI9431OS31. Boiling Point: 325 °C @760 [mm Hg]; Melting Point: 243 °F (EPA, 1998); Melting Point: 119 °C.

Identification

CAS Registry Number	2032-65-7
PubChem CID	16248
Molecular formula	C11H15NO2S
IUPAC name	(3,5-dimethyl-4-methylsulfanylphenyl) N-methylcarbamate
UNII (FDA)	JI9431OS31

Computed Descriptors

Molecular Weight	225.31
XLogP3	2.9
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	3
Exact Mass	225.08234989
Monoisotopic Mass	225.08234989
Topological Polar Surface Area	63.6
Heavy Atom Count	15
Formal Charge	0

Physical & Chemical Properties

Boiling Point	325 °C @760 [mm Hg]
Melting Point	243 °F (EPA, 1998)
Melting Point	119 °C
Solubility	In water, 27 mg/l @ 20 °C
Vapor Pressure	0.0001 mmHg (EPA, 1998)
Vapor Pressure	0.00000027 [mmHg]
Vapor Pressure	2.7X10-7 mm Hg @ 25 °C
Vapor Pressure	0.0001 [mm Hg] @25 °C
LogP	log Kow = 2.92
LogP	3.08

Physical description & handling notes

• Mercaptodimethur is a white crystalline powder with a mild odor. Used as an insecticide and immobilizing agent for birds, acaricide and molluscicide. (EPA, 1998)
• Colorless or white solid; [HSDB]
• WHITE CRYSTALS OR FLAKES WITH CHARACTERISTIC ODOUR.
• Colorless crystals
• White crystalline powder
• Phenol-like odor

GHS Hazard Classification

Reported hazard statements	H301, H400, H410, H300, H330 (36.4%)

Documented Uses

• Used as insecticide, acaricide, molluscicide, and bird repellent; [HSDB] Used as insecticide, acaricide, and molluscicide on lawns, turf, ornamentals, around buildings, in greenhouses, and in ginseng gardens (12-month preharvest interval so not considered a food use); [Reference #2]
• Controls slugs, snails in a wide range of crops; controls sucking & biting insects (including soil insects) & spider mites in beets, berries, citrus, hops, maize, oilseed rape, ornamentals, pome & stone fruit, potatoes, vegetables; also used as a bird repellent.
• IT IS PARTICULARLY EFFECTIVE FOR CONTROL OF MITES, INCLUDING PHOSPHATE RESISTANT STRAINS, AT RELATIVELY LOW RATES
• Methiocarb has been in use since the 1960s as a molluscicide, acaricide, and insecticide (contact and stomach poison) for control of snails and slugs in home gardens & ornamentals; mites, thrips, aphids, leafhoppers, fruit flies, & biting insects; & some soil pests of field crops. It is also used as a bird repellent on fruit crops.
• Molluscicides, Bird repellents, Insecticides
• Methiocarb may be made by the reaction of methyl isocyanate with 4-methylthio-3,5-xylenol.

Synonyms

METHIOCARB; 2032-65-7; Mercaptodimethur; Metmercapturon; Mesurol; Draza; Mesurol Phenol; Methiocarbe; Grandslam; 3,5-Dimethyl-4-(methylthio)phenyl methylcarbamate; Certan; Lizetan; Bayer 37344; 3,5-Dimethyl-4-(methylthio)phenol methylcarbamate; OMS-93; Caswell No. 578B

Frequently Asked Questions

What are the CAS number and molecular formula of mercaptodimethur?

CAS 2032-65-7; molecular formula C11H15NO2S; molecular weight — g/mol.

What other names is mercaptodimethur known by?

METHIOCARB, 2032-65-7, Mercaptodimethur, Metmercapturon, Mesurol, Draza.

Is mercaptodimethur classified as hazardous?

Hazard statements reported: H301, H400, H410, H300, H330.

What are the key physical properties of mercaptodimethur?

Boiling Point: 325 °C @760 [mm Hg]; Melting Point: 243 °F (EPA, 1998); Melting Point: 119 °C; Solubility: In water, 27 mg/l @ 20 °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.