Methiocarb
Also known as Mercaptodimethur, Metmercapturon, Mesurol
Key facts
What buyers check first
- Appearance
- Colorless crystals
- Melting point
- 119 °C
- Boiling point
- 325 °C
- Density
- Greater than 1
- Solubility
- In water, 27 mg/l @ 20 °C
- HS code
- 293020
- Category
- Insecticides and acaricides
- UN number
- UN 2757

What is Methiocarb?
Plain description, key identifiers and synonyms
Methiocarb is a carbamate ester obtained by the formal condensation of the phenolic group of 3,5-dimethyl-4-(methylsulfanyl)phenol with the carboxy group of methylcarbamic acid. It has a role as an acaricide, an insecticide, an agrochemical, an avicide, a molluscicide, a xenobiotic, an EC 3.1.1.7 (acetylcholinesterase) inhibitor and an environmental contaminant. It is a carbamate ester, an aryl sulfide and a methyl sulfide. It is functionally related to a 3,5-dimethyl-4-(methylsulfanyl)phenol and a methylcarbamic acid.
Identifiers
Registry numbers, names and line notations, tap to copy
- IUPAC name
- (3,5-dimethyl-4-methylsulfanylphenyl) N-methylcarbamate
- CAS number
- 2032-65-7 CAS number cross-checkedOther or deprecated CAS: 716-16-5
- EC number
- 217-991-2
- Molecular formula
- C11H15NO2S
- UNII
- JI9431OS31
- MDL number
- MFCD00055450
- InChIKey
- YFBPRJGDJKVWAH-UHFFFAOYSA-N
- 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)
- SMILES (canonical and isomeric)
- CC1=CC(=CC(=C1SC)C)OC(=O)NC
Synonyms
- 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
- 4-Methylmercapto-3,5-xylyl methylcarbamate
- 3,5-Dimethyl-4-methylthiophenyl N-methylcarbamate
- DCR 736
- 4-Methylthio-3,5-dimethylphenyl methylcarbamate
- BAY 5024
- BAY 9026
- 4-(Methylthio)-3,5-xylyl methylcarbamate
- BAY 37344
- 4-Methylmercapto-3,5-dimethylphenyl N-methylcarbamate
- ENT 25,726
- Phenol, 3,5-dimethyl-4-(methylthio)-, methylcarbamate
- SD 9228
- 3,5-Xylenol, 4-(methylthio)-, methylcarbamate
Show all 37 synonymsShow fewer synonyms
- 3,5-Dimethyl-4-methyl-thiophenyl-N-carbamat
- 4-Methylthio-3,5-xylyl methylcarbamate
- Methyl carbamic acid 4-(methylthio)-3,5-xylyl ester
- 3,5-Dimethyl-4-(methylsulfanyl)phenyl methylcarbamate
- 3,5-Dimethyl-4-methylmercaptophenyl-N-methyl-carbamate
- Carbamic acid, methyl-, 4-(methylthio)-3,5-xylyl ester
- Carbamic acid, N-methyl-, 4-(methylthio)-3,5-xylyl ester
- Carbamic acid, methyl-, 3,5-dimethyl-4-(methylthio)phenyl ester
- 3,5-dimethyl-4-(methylsulfanyl)phenyl N-methylcarbamate
- (3,5-dimethyl-4-methylsulfanylphenyl) N-methylcarbamate
- Phenol, 3,5-dimethyl-4-(methylthio)-, 1-(N-methylcarbamate)
- Mercaptodimethur, Mesurol
Physical and chemical properties
Measured values and descriptors computed from the structure
Physical and chemical properties
Measured values, check the supplier specification for your grade
| Appearance | Colorless crystalsexp.Measured value |
|---|---|
| Odour | Phenol-like odorexp.Measured value |
| Melting point | 119 °Cexp.Measured value |
| Boiling point | 325 °Cexp.Measured value |
| Density | Greater than 1exp.Measured value |
| Solubility | In water, 27 mg/l @ 20 °Cexp.Measured value |
| Vapour pressure | 2.7 × 10⁻⁷ mm Hg @ 25 °Cexp.Measured value |
Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.
Computed descriptors
Calculated from the structure, useful for screening and formulation
| Molecular weight | 225.31 g/molcalc.Computed value |
|---|---|
| Exact mass | 225.0824 Dacalc.Computed value |
| LogP (octanol/water) | 2.74calc.Computed value |
| Topological polar surface area | 38.33 Ųcalc.Computed value |
| Hydrogen bond donors | 1calc.Computed value |
| Hydrogen bond acceptors | 3calc.Computed value |
| Rotatable bonds | 2calc.Computed value |
| Heavy atoms | 15calc.Computed value |
| Rings | 1calc.Computed value |
| Aromatic rings | 1calc.Computed value |
| Fraction sp3 carbons | 0.36calc.Computed value |
| Formal charge | 0calc.Computed value |
| Stereocentres | 0calc.Computed value |
| Lipinski rule of five | Passes (0 violations)calc.Computed value |
Calculated for screening. Confirm critical figures with the supplier.
Murcko scaffold
The ring system that remains when every side chain is removed
Safety and hazards
GHS classification summary, not a safety data sheet
Hazard statements
- H301Toxic if swallowed.
- H400Very toxic to aquatic life.
- H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (9)
- P264Wash skin thoroughly after handling.
- P270Do not eat, drink or smoke when using this product.
- P273Avoid release to the environment.
- P301 + P316If swallowed: Get emergency medical help immediately.
- P321Specific treatment (see supplemental first aid instructions on the label).
- P330Rinse mouth.
- P391Collect spillage.
- P405Store locked up.
- P501Dispose of contents and container in accordance with local regulations.
- UN number
- UN 2757
- Transport hazard class
- 6.1
- Packing group
- II
GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.
Full safety data and first aidMethiocarb suppliers
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- IndiaUnclaimed profileMethiocarbGrade, purity and minimum order on requestPrice on request
- Singapore, MidviewUnclaimed profileMethiocarbGrade, purity and minimum order on requestPrice on request
- Price on request
- China, NanjingUnclaimed profileMethiocarbGrade, purity and minimum order on requestPrice on request
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Where suppliers are based
6 suppliers in 5 countries
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Methiocarb price
Indicative price range per kg from live supplier offers
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Uses and applications
What the substance is used for, by industry and function
Acaricide, molluscicide.
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.
Use classes: Insecticides, Molluscicides, Bird repellents, Insecticides, Pesticides.
Industries and functions
Pharmacological actions
- Insecticides
- Molluscacides
Roles
- acaricide
- agrochemical
- avicide
- environmental contaminant
- enzyme inhibitor
- insecticide
- molluscicide
- pesticide
- xenobiotic
Functional uses
- Biocide
Pharmacology
Methiocarb is a synthetic carbamate ester, aryl sulfide compound, acetylcholinesterase inhibitor, and neurotoxin that is used as a pesticide. It is characterized as a highly toxic, colorless or white crystalline solid with a mild odor, and exposure occurs by inhalation, ingestion, or contact.
How it is made
Methiocarb may be made by the reaction of methyl isocyanate with 4-methylthio-3,5-xylenol.
By condensation of 4-methylthio-3,5-xylenol with ... Phosgene & methylamine.
Regulatory status
Inventories, regulations and trade controls that list this substance
Europe
- EU harmonised classification (CLP Annex VI)Index no: 006-023-00-2
HS code and trade data
Customs classification and reported world trade statistics
Global trade
World import and export statistics for the HS code Methiocarb is traded under.
Thiocarbamates and dithiocarbamates
- India * partner reported12.2%
- Australia12.1%
- United States7.1%
* Partner reported figures, a lower bound.
The HS code shown for Methiocarb is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.
Frequently asked questions
Quick answers about Methiocarb, based on the data on this page
What is Methiocarb?
What is the CAS number of Methiocarb?
What is the molecular formula and weight of Methiocarb?
What is Methiocarb used for?
Is Methiocarb hazardous?
What is the HS code of Methiocarb?
Where can I buy Methiocarb?
Where can I buy Methiocarb in India?
What is the price of Methiocarb?
Guides for buyers
Practical guides that help when you source, ship or handle Methiocarb
- Guide, SafetyHow to read a safety data sheet in 10 minutesA section by section method to pull the essentials out of any 16 section SDS: identity, hazards, composition, storage, PPE, properties, transport and emergency measures.Read
- Guide, Trade and logisticsShipping dangerous goods: UN numbers, classes and packing groupsHow the UN dangerous goods system works for chemicals, from the nine classes and UN numbers to packing groups, UN packaging marks, labels, documents and segregation.Read
- Guide, SafetyGHS pictograms, signal words and hazard statements explainedA practical guide to the nine GHS pictograms, the signal words Danger and Warning, H and P statements, and how to read a chemical label in seconds.Read
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