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Dimethyl Sulphate (DMS)

Price 700 INR/ Kilograms

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MOQ : 1 Liter

Dimethyl Sulphate (DMS) Specification

Purity
99% Min

Poisonous
Yes, highly poisonous

Molecular Formula
(CH3O)2SO2

Molecular Weight
126.13 g/mol

Properties
Colorless, oily, flammable, and toxic solvent; known alkylating agent

EINECS No
201-058-1

Storage
Store in a cool, dry, well-ventilated area; keep container tightly closed

Smell
Slightly aromatic odor

Grade
Industrial Grade

Refractive Rate
nD 20 1.386

Taste
Not Applicable (Toxic)

Ingredients
Dimethyl Sulphate

Shelf Life
12 months if stored properly

Physical Form
Liquid

CAS No
77-78-1

HS Code
29209010

Appearance
Clear, Colorless Liquid

Product Type
Chemical

Shape
Liquid

Melting Point
-32C

Application
Methylating agent in organic synthesis, pharmaceuticals, dyes, and pesticides

Structural Formula
CH3OSO2OCH3

Solubility
Soluble in ethanol and ether; slightly soluble in water

Density
1.332 Gram per cubic centimeter(g/cm3)

Usage
Used as a methylating agent for the methylation of phenols, amines, and thiols

Stability
Stable under recommended storage conditions

Incompatibility
Avoid contact with strong bases and water

Packaging
Packed in HDPE drums or steel containers

Flash Point
83C (Closed cup)

Boiling Point
188C

Handling Precautions
Use only with adequate ventilation; avoid inhalation and contact with skin or eyes

Vapor Pressure
0.6 mmHg at 20C

Hazard Class
6.1 (Toxic substances)

UN Number
1595

Decomposition Products
Methanol, sulfur oxides

Dimethyl Sulphate (DMS) Trade Information

Minimum Order Quantity
1 Liter

Supply Ability
1 Liter Per Week

Delivery Time
1 Week

About Dimethyl Sulphate (DMS)

Dimethyl Sulphate (DMS)

Molecular Formula : C2H6O4S

Molecular Weight : 126.3

Description : A clear colorless, odourless liquid

Assay : 99.7% (min).

Specific Gravity : 1.323 to 1.330 at 20o/20oC

Acidity    : 0.1% (max).

Boiling Point : 188 C with decomposition

Flash Point : 121 C (open cup)

Applications in Chemical Industry

Dimethyl Sulphate serves as a key methylating agent for the synthesis of phenols, amines, and thiols. Its exceptional purity and reactive nature make it invaluable in producing pharmaceuticals, dyes, and agrochemicals. It is also used in research and development sectors for various organic transformations. Proper handling and adherence to safety regulations are essential due to its hazardous properties.

Storage and Handling Precautions

DMS should be stored in a cool, dry, well-ventilated area in tightly sealed HDPE drums or steel containers. Adequate ventilation and protective gear are mandatory during handling to avoid inhalation or skin contact. It is critical to prevent interaction with strong bases and water, as these may trigger hazardous decomposition. Routine safety training is highly recommended for staff.

FAQs of Dimethyl Sulphate (DMS):

Q: How should Dimethyl Sulphate (DMS) be stored safely?

A: DMS must be stored in a cool, dry, well-ventilated area, tightly closed in HDPE drums or steel containers. Keep it away from strong bases and water to prevent dangerous reactions. Proper storage ensures stability and maintains shelf life for up to 12 months.

Q: What are the main applications of Dimethyl Sulphate?

A: DMS is primarily used as a methylating agent in organic synthesis, particularly for methylating phenols, amines, and thiols. It is important in producing pharmaceuticals, dyes, pesticides, and is also utilized in chemical research laboratories.

Q: When should special precautions be taken while using DMS?

A: Extra precautions are necessary at all times during handling, but particularly when transferring, measuring, or mixing, as DMS is highly toxic and flammable. Use adequate ventilation and wear protective equipment to prevent inhalation or skin contact.

Q: Where is Dimethyl Sulphate typically used or distributed in India?

A: DMS is supplied by authorized distributors, exporters, manufacturers, retailers, and wholesalers throughout India. It is found mainly in chemical industries, pharmaceutical plants, dye manufacturing units, and research laboratories requiring methylating agents.

Q: What is the process of using DMS in methylation reactions?

A: In methylation, DMS reacts with compounds such as phenols, amines, or thiols under controlled conditions. The process is performed in specialized facilities using strict safety measures due to its toxicity and potential for decomposition into methanol and sulfur oxides.

Q: What benefits does DMS provide in industrial applications?

A: DMS offers reliable methylation, high reaction efficiency, and industrial-grade purity. Its controlled use enables efficient synthesis of complex organic compounds within pharmaceuticals, dyes, and pesticides, making it a valuable reagent for multiple sectors.

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