Product Name

  • Name

    Mercaptodimethur

  • EINECS 217-991-2
  • CAS No. 2032-65-7
  • Density 1.149 g/cm3
  • Solubility insoluble in water
  • Melting Point 119 °C
  • Formula C11H15NO2S
  • Boiling Point 310.657 °C at 760 mmHg
  • Molecular Weight 225.312
  • Flash Point 141.681 °C
  • Transport Information UN 2811/2757
  • Appearance White crystalline powder with a mild odor
  • Safety 22-37-45-60-61
  • Risk Codes 25-50/53
  • Molecular Structure Molecular Structure of 2032-65-7 (Mercaptodimethur)
  • Hazard Symbols ToxicT,DangerousN
  • Synonyms Carbamicacid, methyl-, 4-(methylthio)-3,5-xylyl ester (6CI,7CI,8CI);Phenol,3,5-dimethyl-4-(methylthio)-, methylcarbamate (9CI);3,5-Dimethyl-4-(methylthio)phenyl methylcarbamate;4-(Methylthio)-3,5-xylylmethylcarbamate;4-(Methylthio)-3,5-xylyl-N-methylcarbamate;4-Methylthio-3,5-dimethylphenyl methylcarbamate;B 37344;DCR 736;Draza;Mesurol;Mesurol 50;Mesurol phenol;Methiocarb;Metmercapturon;
  • PSA 63.63000
  • LogP 3.13440

Synthetic route

methiocarb
2032-65-7

methiocarb

chloroacetyl chloride
79-04-9

chloroacetyl chloride

3,5-dimethyl-4-methylthio-phenyl N-chloroacetyl-N-methylcarbamate

3,5-dimethyl-4-methylthio-phenyl N-chloroacetyl-N-methylcarbamate

Conditions
ConditionsYield
84.7%
formaldehyd
50-00-0

formaldehyd

methiocarb
2032-65-7

methiocarb

Chloromethyl-methyl-carbamic acid 3,5-dimethyl-4-methylsulfanyl-phenyl ester

Chloromethyl-methyl-carbamic acid 3,5-dimethyl-4-methylsulfanyl-phenyl ester

Conditions
ConditionsYield
With thionyl chloride
methiocarb
2032-65-7

methiocarb

methylamine
74-89-5

methylamine

Conditions
ConditionsYield
aluminium In water; acetonitrile Product distribution; Irradiation; influence of aluminum foil;;
methiocarb
2032-65-7

methiocarb

Methiocarb sulfoxide
2635-10-1

Methiocarb sulfoxide

Conditions
ConditionsYield
With NADPH-regenerating system; rat liver microsome In phosphate buffer at 37℃; for 0.166667h; pH=7.4; Enzyme kinetics; Oxidation;
methiocarb
2032-65-7

methiocarb

C44H56O16S4

C44H56O16S4

C11H15NO2S*C44H56O16S4

C11H15NO2S*C44H56O16S4

methiocarb
2032-65-7

methiocarb

C9H11OS(1-)

C9H11OS(1-)

Conditions
ConditionsYield
With potassium hydroxide at 20℃; under 760.051 Torr; Electrochemical reaction; Inert atmosphere;

Mercaptodimethur Consensus Reports

EPA Extremely Hazardous Substances List.

Mercaptodimethur Specification

The Mercaptodimethur, with the CAS registry number 92517-02-7, is also known as Methylcarbamic acid 4-(methylthio)-3,5-xylyl ester. It belongs to the product categories of MEA - MES Pesticides & Metabolites; Alpha sort; H-M Alphabetic; M; Others; Pesticides; Pesticides & Metabolites. Its EINECS number is 217-991-2. This chemical's molecular formula is C11H15NO2S and molecular weight is 225.31. What's more, its systematic name is 3,5-Dimethyl-4-(methylsulfanyl)phenyl methylcarbamate. Its classification codes are: (1)Acaricide; (2)Agricultural Chemical; (3)Avicide; (4)Insecticide; (5)Insecticides; (6)Molluscacides; (7)Molluscicide; (8)Pesticides. This chemical should be sealed and stored in a cool, ventilated and dry place. It is used as an insecticide and immobilizing agent for birds, acaricide and molluscicide.

Physical properties of Mercaptodimethur are: (1)ACD/LogP: 3.086; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.09; (4)ACD/LogD (pH 7.4): 3.09; (5)ACD/BCF (pH 5.5): 130.44; (6)ACD/BCF (pH 7.4): 130.44; (7)ACD/KOC (pH 5.5): 1137.17; (8)ACD/KOC (pH 7.4): 1137.16; (9)#H bond acceptors: 3; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 63.63 Å2; (13)Index of Refraction: 1.56; (14)Molar Refractivity: 63.402 cm3; (15)Molar Volume: 196.098 cm3; (16)Polarizability: 25.134×10-24cm3; (17)Surface Tension: 43.88 dyne/cm; (18)Density: 1.149 g/cm3; (19)Flash Point: 141.681 °C; (20)Enthalpy of Vaporization: 55.151 kJ/mol; (21)Boiling Point: 310.657 °C at 760 mmHg; (22)Vapour Pressure: 0.001 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is toxic if swallowed, and it is very toxic to aquatic organisms as it may cause long-term adverse effects in the aquatic environment. You should not breathe dust. When using it, you need wear suitable protective gloves. In case of accident or if you feel unwell seek medical advice immediately (show the label where possible). This material and its container must be disposed of as hazardous waste. You must avoid releasing it to the environment, and you need to refer to special instructions/safety data sheet.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(Oc1cc(c(SC)c(c1)C)C)NC
(2)Std. InChI: InChI=1S/C11H15NO2S/c1-7-5-9(14-11(13)12-3)6-8(2)10(7)15-4/h5-6H,1-4H3,(H,12,13)
(3)Std. InChIKey: YFBPRJGDJKVWAH-UHFFFAOYSA-N

The toxicity data is as follows:  

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - wild LD50 oral 2400ug/kg (2.4mg/kg)   Toxicology and Applied Pharmacology. Vol. 21, Pg. 315, 1972.
bird - wild LD50 skin 100mg/kg (100mg/kg)   Toxicology and Applied Pharmacology. Vol. 26, Pg. 154, 1973.
chicken LD50 oral 179mg/kg (179mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Toxicology and Applied Pharmacology. Vol. 7, Pg. 606, 1965.
duck LD50 oral 13mg/kg (13mg/kg)   Toxicology and Applied Pharmacology. Vol. 21, Pg. 315, 1972.
guinea pig LD50 oral 40mg/kg (40mg/kg)   "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976Vol. -, Pg. -, 1971/1976.
mouse LD50 intraperitoneal 16mg/kg (16mg/kg)   Toxicology and Applied Pharmacology. Vol. 6, Pg. 402, 1964.
mouse LD50 oral 25200ug/kg (25.2mg/kg) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

BEHAVIORAL: TREMOR

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Toho Igakkai Zasshi. Journal of Medical Society of Toho University. Vol. 17, Pg. 60, 1970.
mouse LD50 subcutaneous 940mg/kg (940mg/kg)   Toho Igakkai Zasshi. Journal of Medical Society of Toho University. Vol. 17, Pg. 60, 1970.
pigeon LD50 oral 13mg/kg (13mg/kg)   Toxicology and Applied Pharmacology. Vol. 21, Pg. 315, 1972.
quail LD50 oral 8840ug/kg (8.84mg/kg)   ASTM Special Technical Publication. Vol. (680), Pg. 157, 1979.
rat LD50 oral 20mg/kg (20mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C199, 1991.
rat LD50 skin 350mg/kg (350mg/kg)   Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 105, 1966.
rat LD50 unreported 100mg/kg (100mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 194, 1971.

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