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4-nitrobenzenesulfonic acid

C6H5NO5S

CAS138-42-1

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Identification

CAS Number: 138-42-1
EC Number: 205-329-5
UN Number: 2305
PubChem CID: 8740

Physical-chemical properties

Molecular Formula: C6H5NO5S
Molar Mass: 203.17 g/mol
IUPAC Name: 4-nitrobenzenesulfonic acid

Chemical Identifiers

InChI: InChI=1S/C6H5NO5S/c8-7(9)5-1-3-6(4-2-5)13(10,11)12/h1-4H,(H,10,11,12)
InChI Key: SPXOTSHWBDUUMT-UHFFFAOYSA-N

Overview

4-nitrobenzenesulfonic acid (CAS: 138-42-1) is a chemical compound widely used in industry. The molecular formula is C6H5NO5S. The molar mass is 203.17 g/mol.

Safety & Classification

No Hazard Classification

This substance is not classified as hazardous according to CLP Regulation (EC) No 1272/2008.

Transport (ADR)

UN Number	2305
ADR Class	8
Packing Group	II
Tunnel Code	E
Proper Shipping Name	4-Nitrobenzensulfonsäure, fest
Marine Pollutant	No

Frequently Asked Questions

What is 4-nitrobenzenesulfonic acid?

4-nitrobenzenesulfonic acid (CAS 138-42-1) is a chemical substance with the formula C6H5NO5S used in various industrial applications.

What are the properties of 4-nitrobenzenesulfonic acid?

4-nitrobenzenesulfonic acid has a molar mass of 203.17 g/mol. See the technical data above for more details.

How to store 4-nitrobenzenesulfonic acid safely?

4-nitrobenzenesulfonic acid should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is 4-nitrobenzenesulfonic acid dangerous?

The hazard level of 4-nitrobenzenesulfonic acid depends on the application. Always follow the safety instructions in the data sheet.

Where can I buy 4-nitrobenzenesulfonic acid?

You can order 4-nitrobenzenesulfonic acid (CAS 138-42-1) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.