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Methanesulfonic Anhydride

Name: Methanesulfonic Anhydride
Brand: A. B. ENTERPRISES

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MOQ : 50 Kilograms

Methanesulfonic Anhydride Specification

Appearance
Colorless to pale yellow liquid or crystalline solid

Solubility
Hydrolyzes in water, soluble in polar aprotic solvents

Density
1.54 Gram per cubic centimeter(g/cm3)

CAS No
1993-05-5

Ingredients
Methanesulfonic acid anhydride

EINECS No
217-747-9

Melting Point
30-33C

Structural Formula
(CH3SO2)2O

Poisonous
Corrosive, harmful if inhaled or ingested

Storage
Store in a tightly closed container, in a cool, dry, well-ventilated area, keep away from moisture

Grade
Analytical / Laboratory

Smell
Pungent, acrid odor

Properties
Strong sulfonating and dehydrating agent, highly reactive, moisture sensitive

Shelf Life
12-24 months under recommended storage conditions

Purity
99%

Ph Level
Acidic

Application
Used in sulfonation reactions, pharmaceuticals, and fine chemicals

Shape
Irregular/Clear

Physical Form
Liquid or crystalline solid

Molecular Formula
C2H6O4S2

HS Code
29420090

Product Type
Organic Chemical Intermediate

Molecular Weight
158.20 g/mol

Usage
Chemical synthesis, intermediate for active pharmaceutical ingredients

Transport Information
UN 3265, Class 8, PG II

Hazard Class
Corrosive, classified under GHS as Skin Corr. 1B

Stability
Stable under recommended conditions, sensitive to moisture

Vapor Pressure
Negligible at 20C

Boiling Point
252C (decomposes)

Packaging
Available in sealed bottles or drums of various capacities

Autoignition Temperature
Not determined

Handling Precautions
Use with adequate ventilation, wear protective gloves and eyewear

Flash Point
>110C

Incompatibility
Avoid contact with water, alcohols, bases, and oxidizing agents

Methanesulfonic Anhydride Trade Information

Minimum Order Quantity
50 Kilograms

Supply Ability
1 Kilograms Per Week

Delivery Time
1 Week

About Methanesulfonic Anhydride

Methanesulfonic Anhydride

Synonym : Methane Sulphonic Anhydride

Case no.: [7143-01-3]

Mol. formula : (CH3SO2)2O

Molecular weight : 174.19

Appearance : White to off White Solid

% Assay : 98 min

% Water Content (By K.F): 2 max

Strong Sulfonating Agent for Diverse Applications

Methanesulfonic anhydride acts as a potent sulfonating and dehydrating agent in the synthesis of pharmaceuticals, fine chemicals, and advanced intermediates. Its high purity (99%) and analytical grade make it suitable for precise laboratory and industrial processes, enhancing reaction efficiency and selectivity.

Safe Handling and Storage Guidelines

Due to its corrosive and moisture-sensitive nature, Methanesulfonic anhydride should always be stored in tightly sealed containers in cool, dry, and well-ventilated locations. Use protective gloves, eyewear, and ensure good ventilation during handling to minimize health risks and maintain chemical integrity throughout its shelf life.

FAQs of Methanesulfonic Anhydride:

Q: How should Methanesulfonic anhydride be safely handled during use?

A: Methanesulfonic anhydride requires handling in well-ventilated areas with appropriate protective gloves and eyewear. Avoid direct contact with skin and eyes, and prevent inhalation of vapors. Always work away from sources of moisture and incompatible substances such as water, alcohols, bases, and oxidizing agents.

Q: What is the recommended storage process for Methanesulfonic anhydride to ensure stability?

A: Store the product in tightly closed bottles or drums, placed in a cool, dry, and well-ventilated space. Keeping it away from moisture and direct sunlight prevents hydrolysis and preserves its quality within the recommended shelf life of 1224 months.

Q: When is Methanesulfonic anhydride most beneficial in chemical synthesis?

A: Its benefits are most significant when used as a sulfonating and dehydrating agent in synthesizing pharmaceuticals, intermediates, and certain fine chemicals, where high purity and reactivity improve yield and process efficiency.

Q: Where is Methanesulfonic anhydride commonly applied in industry?

A: It is commonly used in laboratories, pharmaceutical production, and chemical manufacturing processes that require selective sulfonation or dehydration reactions. Its strong reactivity and purity make it ideal for both research and industrial applications.

Q: What precautions should be taken to minimize risks when using Methanesulfonic anhydride?

A: Always operate with proper ventilation, utilize corrosion-resistant equipment, wear suitable protective clothing, and ensure that all handling occurs away from sources of moisture or incompatible chemicals. In case of accidental contact, follow emergency procedures promptly.

Q: What are the physical properties and appearance of Methanesulfonic anhydride?

A: This compound appears as a colorless to pale yellow liquid or crystalline solid, often with an acrid, pungent odor. Its melting point is 30-33C, and its density is 1.54 g/cm. It hydrolyzes in water but dissolves well in polar aprotic solvents.

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