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Molekula

Molekula

Benzenesulfonic acid Anhydrous

SKU 90032837 CAS 98-11-3 C6H5SO3H MW 158.18 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Benzenesulfonic acid anhydrous is a strong organic acid primarily used as a catalyst in esterification and dehydration reactions. It also serves as a chemical intermediate for making phenol, resorcinol and dyes, and as an accelerator in producing alkyd and phenol-formaldehyde resins. It has the molecular formula C6H5SO3H and a molecular weight of 158.18. This substance is classified as a danger and should be stored at ambient temperatures. Molekula supplies Benzenesulfonic acid anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU
90032837
CAS Number
98-11-3
IUPAC Name
benzenesulfonic acid
EC Number
202-638-7
Molecular Formula
C6H5SO3H
Molecular Weight
158.18
Exact Mass
158.0038
SMILES
C1=CC=C(C=C1)S(=O)(=O)O
InChIKey
SRSXLGNVWSONIS-UHFFFAOYSA-N
InChI
InChI=1S/C6H6O3S/c7-10(8,9)6-4-2-1-3-5-6/h1-5H,(H,7,8,9)
PubChem CID
7371

Literature values

Published physical properties of the substance, not batch specifications.

Appearance
Fine, deliquescent needles or large plates
Melting Point
51 °C
Boiling Point
190 °C
Density
1.3 (relative, water = 1)
Vapour Pressure
0.0000236 mmHg

Source: PubChem CID 7371 (HSDB, ICSC, Haz-Map)

See all 3 other grades of CAS 98-11-3 →

Frequently asked questions

What is Benzenesulfonic acid Anhydrous used for?

It is primarily used as a strong acid catalyst in organic synthesis and as an intermediate in the production of dyes and pharmaceuticals.

What is the chemical formula and molecular weight of this product?

The chemical formula is C6H5SO3H and the molecular weight is 158.18 g/mol.

How should Benzenesulfonic acid Anhydrous be stored?

This product should be stored at ambient temperature in a tightly closed container.

What grade of Benzenesulfonic acid Anhydrous is available?

Please contact our sales team to confirm the specific grade and purity levels currently in stock for your requirements.

Can Molekula supply this product in bulk?

Yes, Molekula can supply Benzenesulfonic acid Anhydrous in various quantities ranging from laboratory scale to bulk industrial volumes.

What documentation comes with the order?

Every order is supplied with a Certificate of Analysis (CoA) and a Safety Data Sheet (SDS) to ensure compliance and safety.

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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