Molekula

Methyl benzene sulfonate

SKU 90031782 CAS 80-18-2 C6H5SO3CH3 MW 172.20 In stock

Methyl benzene sulfonate is an organic sulfonate ester used as a reagent in synthetic chemistry, particularly in sulfonation and esterification reactions. It appears as a colorless to pale yellow liquid with a molecular weight of 172.20 g/mol and a CAS number of 80-18-2. It is stored at 2 to 8 °C and is classified as a hazardous substance with a signal word of Danger. Molekula supplies methyl benzene sulfonate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch Download specification

Overview

Pricing & pack sizes

Pack sizes & pricing

£ GBP € EUR $ USD

100 mL — €81.00 per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Specifications

Download PDF

Property	Value
Appearance	Clear colourless to pale yellow liquid
Ash Content	≤ 0.1%
Water Content	≤ 0.5%
Assay	≥ 98.0%
Identification (IR)	Conforms to reference
Benzenesulphonic acid	≤ 0.2%
Benzenesulphonyl chloride	≤ 0.2%

Storage & handling

Property	Value
Storage Temperature	2 to 8 °C
Transport Class	8
Packing Group	II
Shelf Life	24 months
Acidity	Acid

Identification

Property	Value
SKU	90031782
CAS Number	80-18-2
Molecular Formula	C6H5SO3CH3
Molecular Weight	172.20
SMILES	COS(=O)(=O)C1=CC=CC=C1
EC / UN Number	3265
REACH Code	Y110
TSCA Listed	Yes
HTS Code	29309029
Tariff Code	2930909899

Safety & GHS

Danger

Corrosive GHS05
Health Hazard GHS07
Serious Health Hazard GHS08

Hazard statements

H302 Harmful if swallowed
H314 (sub cat. 1B) Causes severe skin burns and eye damage
H317 May cause an allergic skin reaction
H335 May cause respiratory irritation
H341 Suspected of causing genetic defects

Precautionary statements

P260 Do not breathe dust/fume/gas/mist/vapours/spray
P280 Wear protective gloves/protective clothing/eye protection/face protection
P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
P308+313 IF exposed or concerned: Get medical advice/attention
P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
P337+313 If eye irritation persists get medical advice/attention

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Safety Data Sheets (SDS)

Available in IT, FR, ES, DE, EN.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is methyl benzene sulfonate used for?

It is primarily used as a sulfonating agent in organic synthesis and as an intermediate in the production of surfactants and dyes.

What is the chemical formula and molecular weight of methyl benzene sulfonate?

The formula is C6H5SO3CH3 with a molecular weight of 172.20 g/mol.

How should methyl benzene sulfonate be stored?

It should be stored at temperatures between 2 to 8 °C, protected from light and moisture.

What grade of methyl benzene sulfonate does Molekula supply?

Molekula supplies methyl benzene sulfonate in reagent grade.

Can Molekula supply methyl benzene sulfonate in bulk?

Yes, Molekula can supply methyl benzene sulfonate in bulk quantities upon request.

What documentation comes with a purchase of methyl benzene sulfonate?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist

Documents Pricing