Mercaptodimethur
- Product Name
- Mercaptodimethur
- CAS No.
- 2032-65-7
- Chemical Name
- Mercaptodimethur
- Synonyms
- METHIOCARB;MXMC;Club;OMS93;H 321;Draza;b37344;certan;dcr736;Esurol
- CBNumber
- CB1254073
- Molecular Formula
- C11H15NO2S
- Formula Weight
- 225.31
- MOL File
- 2032-65-7.mol
Mercaptodimethur Property
- Melting point:
- 119°C
- Density
- 1.1838 (rough estimate)
- vapor pressure
- 1.5 x 10-5 Pa (20 °C)
- refractive index
- 1.4790 (estimate)
- storage temp.
- 0-6°C
- solubility
- DMF: 20 mg/ml,DMSO: 20 mg/ml,DMSO:PBS (pH 7.2) (1:1): 0.5 mg/ml,Ethanol: 10 mg/ml
- Boiling point:
- 310.7±42.0 °C(Predicted)
- pka
- 12.16±0.46(Predicted)
- form
- Crystalline Solid
- color
- White
- Water Solubility
- Insoluble
- BRN
- 1881431
- Stability:
- Light Sensitive
- CAS DataBase Reference
- 2032-65-7(CAS DataBase Reference)
- NIST Chemistry Reference
- 4-Methylthio-3,5-xylyl methylcarbamate(2032-65-7)
- EPA Substance Registry System
- Methiocarb (2032-65-7)
Safety
- Hazard Codes
- T;N,N,T
- Risk Statements
- 25-50/53
- Safety Statements
- 22-37-45-60-61
- RIDADR
- UN 2811/2757
- WGK Germany
- 3
- RTECS
- FC5775000
- HazardClass
- 6.1(a)
- PackingGroup
- II
- Hazardous Substances Data
- 2032-65-7(Hazardous Substances Data)
- Toxicity
- LD50 in male, female rats (mg/kg): 70, 60 orally (Gaines)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H300Fatal if swallowed
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P273Avoid release to the environment.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P391Collect spillage. Hazardous to the aquatic environment
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- 36152
- Product name
- Mercaptodimethur
- Purity
- PESTANAL
- Packaging
- 100mg
- Price
- $59.7
- Updated
- 2024/03/01
- Product number
- 25627
- Product name
- Methiocarb
- Purity
- ≥98%
- Packaging
- 50mg
- Price
- $32
- Updated
- 2024/03/01
- Product number
- 25627
- Product name
- Methiocarb
- Purity
- ≥98%
- Packaging
- 100mg
- Price
- $48
- Updated
- 2024/03/01
- Product number
- M225240
- Product name
- Methiocarb
- Packaging
- 10g
- Price
- $580
- Updated
- 2021/12/16
- Product number
- 52083
- Product name
- Methiocarb
- Packaging
- 1g
- Price
- $610
- Updated
- 2021/12/16
Mercaptodimethur Chemical Properties,Usage,Production
Description
Methiocarb was originally developed by Bayer as an
insecticide. The bird-repellent properties of the compound
were quickly recognized, however, and a number of
applications for bird damage management followed (42).
Methiocarb is a secondary repellent, and repellency
occurs through aversive conditioning, by which birds
that feed on treated food become sick and associate
either the food or characteristics of the food with the
discomfort (21). As a result, affected birds learn to avoid
that food item. Often the avoidance response is locationdependent.
For example, common ravens (Corvus corax)
that learn not to eat eggs at one site will still feed on
eggs at a different location (43).
Chemical Properties
Methiocarb is a colorless crystalline powder.
Uses
Insecticide, acaricide and bird repellent.
Uses
Methiocarb is an insecticide, molluscicide and acaricide with contact and stomach action. It is used to control slugs, snails and insects in a wide range of crops. Soil insects are controlled. Methiocarb is also used as a seed-treatment and bird repellent.
Uses
Insecticide; molluscicide; bird repellent.
Definition
ChEBI: 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.
General Description
White crystalline powder with a mild odor. Used as an insecticide and immobilizing agent for birds, acaricide and molluscicide.
Reactivity Profile
Mercaptodimethur is a carbamate ester. Carbamates are chemically similar to, but more reactive than amides. Like amides they form polymers such as polyurethane resins. Carbamates are incompatible with strong acids and bases, and especially incompatible with strong reducing agents such as hydrides. Flammable gaseous hydrogen is produced by the combination of active metals or nitrides with carbamates. Strongly oxidizing acids, peroxides, and hydroperoxides are incompatible with carbamates.
Health Hazard
As a carbamate insecticide, Mercaptodimethur is a reversible cholinesterase inhibitor and acts on the nervous system. It is classified as very toxic, and the probable oral lethal dose for humans is 50-500 mg/kg or between 1 teaspoon and 1 ounce for a 150 lb. adult.
Health Hazard
Highly toxic cholinesterase inhibitor; exhibitsacute, delayed and chronic effects; routesof entry — ingestion, skin absorption andinhalation of vapors; reversible action ofshort duration; toxic symptoms includesalivation, lacrimation, bradycardia, blurredvision, labored breathing, headache, muscle twitching, tremor, and slight paralysis;gastrointestinal effects include nausea, vomiting, abdominal pain, and diarrhea; severepoisoning may lead to convulsions and coma;oral intake of probably 5–10 g may be fatalto adult humans.
LD50 oral (rat): 15–20 mg/kg
LD50 oral (guinea pig): 40 mg/kg
LD50 skin (rat): 350 mg/kg
LD50 skin (wild bird): 100 mg/kg.
Fire Hazard
When heated to decomposition, Mercaptodimethur emits very toxic fumes of nitrogen and sulfur oxides.
Agricultural Uses
Acaricide, Molluscicide, Insecticide: Used to control slugs and snails, soil insects and spider mites in pome fruit, stone fruit, hops, strawberries, potatoes, beets, maize, vegetables and ornamentals. Also used as seed treatment to control fruit flies on maize and bird repellant on berries and cherries. Methiocarb producers deleted all food uses from their product labels between 1989-92. It is A U.S. EPA restricted Use Pesticide (RUP) except for residential application.
Trade name
AI3-25726®; ALCO SLUB”M[C]; B 37344®; BAY 5024®; BAY 9026®; BAY 37344®; BAYER 37344®; DCR 736®; DRAZA®; DRAZA G MICROPELLETS®; H 321®; MESUROL®; METHIOCARBE®; OMS- 93®; PBI SLUG GARD®; PROVADA®; SD 9228®; SLUG-GETA®[C]
Contact allergens
Methiocarb is an insecticide or molluscicide with a cholinesterase inhibiting effect. A case of contact dermatitis was reported in a carnation grower.
Pharmacology
Methiocarb is a carbamate, and its mode of action is via the inhibition of acetylcholinesterase at synapses in the nervous system. Unlike many cholinesterase-inhibiting compounds, however, the effects of methiocarb are rapidly reversible, and the animal experiences only transitory disruption.
Safety Profile
Poison by ingestion, skin contact, and intraperitoneal routes. Used as an insecticide, molluscicide, and bird repellent. When heated to decomposition it emits very toxic fumes of NOx and SOx. See also ESTERS and CARBAMATES.
Potential Exposure
A potential danger to those involved in the manufacture, formulation, and application of this nonsystemic acaricide and insecticide.
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Speed in removing material from skin is of extreme importance. Shampoo hair promptly if contaminated. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit. Keep victim quiet and maintain normal body temperature. Effects may be delayed; keep victim under observation.
Environmental Fate
Soil. Methiocarb was oxidized, probably by singlet oxygen, to the corresponding
sulfoxide and trace amounts (<5% yield) of sulfone when sorbed on soil and exposed to
sunlight. The photosensitized oxidation was faster in soils containing the lowest organic
carbon content (Gohre and Miller, 1986).
Plant. On and/or in bean plants, the methylthio group is rapidly oxidized to the
sulfoxide and sulfone (Abdel-Wahab et al., 1966) followed by hydrolysis yielding the
corresponding thiophenol, methylsulfoxide phenol and methylsulphonyl phenol (Har
Photolytic. When methiocarb in ethanol was irradiated by UV light, only a few
unidentified cholinesterase inhibitors were formed (Crosby et al., 1965).
Chemical/Physical. Emits toxic fumes of nitrogen and sulfur oxides when heated to
decomposition (Sax and Lewis, 1987).
Metabolic pathway
Methiocarb is oxidised to a sulfoxide and a sulfone in biological media. The resulting two carbamate esters and the parent compound are hydrolysed in soils and plants to the corresponding phenols. Hydroxylation of the N-methyl group on the carbamate function occurs in mammalian preparations in vitro.
storage
Color Code—Blue: Health Hazard/Poison: Store in a secure poison location. Prior to working with this chemical you should be trained on its proper handling and storage. Store in tightly closed containers in a cool, wellventilated area
Shipping
UN2757 Carbamate pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required
Degradation
Methiocarb is unstable in alkaline solution. Its DT50 values at pH 4,7 and 9
(22 °C) are >1 year, 35 days and 6 hours, respectively. Photodegradation
(DT50 6-16 days) contributes to the loss of methiocarb from the environment
(PM).
River water containing methiocarb was stored in sunlight or artificial
light. Samples were taken and analysed by TLC. Methiocarb was rapidly
hydrolysed (half-life 3 days) to the phenol (2) which itself degraded
(Eichelberger and Lichtenberg, 1971).
Waste Disposal
In accordance with 40CFR 165 recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform to EPA regulations governing storage, transportation, treatment, and waste disposal. Remove material with contaminated soil and place in impervious containers. May be incinerated in a pesticide incinerator at the specified temperature/dwell-time combination. Any liquids, sludges, or solid residues generated should be disposed of in accordance with all applicable federal, state, and local pollution control requirements. If appropriate incineration facilities are not available, material may be buried in a chemical waste landfill. May be amenable to biological treatment at a municipal sewage treatment plant. (Sax/DPIMR).
Mercaptodimethur Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Mercaptodimethur manufacturers
- Product
- Mercaptodimethur 2032-65-7
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-08-11
- Product
- Mercaptodimethur 2032-65-7
- Price
- US $0.00-0.00/Kg
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 500 tons
- Release date
- 2020-04-26
- Product
- Mercaptodimethur 2032-65-7
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 200kgs
- Release date
- 2020-01-29