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Sulfonic Acid Intermediates

4-Nitrotoluene-2-Sulfonic Acid

Manufacturer & Supplier — CAS 121-03-9. Supplied ex-India in export-compliant packing with Certificate of Analysis, Material Safety Data Sheet and complete shipping documentation.

4-Nitrotoluene-2-Sulfonic Acid — representative photo: yellow to brown solid
Yellow to brown solid · ≥98% Technical
Standard export packing, India origin
Representative image — actual appearance may vary
Structural Formula
4-nitrotoluene-2-sulfonic-acid molecular structure
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Applications

  • Dye intermediate synthesis
  • Bulk industrial supply for dyes & dye intermediates applications

Product Information

CAS Number
121-03-9
Molecular Formula
C7H7NO5S
Molecular Weight
217.20 g/mol
Appearance
Yellow to brown solid
Grade / Purity
≥98% Technical
Solubility
VERY SOL IN WATER, ALCOHOL, ETHER, CHLOROFORM
Primary Application
Dye intermediate synthesis
Product Group
Sulfonic Acid Intermediates

Product Description

Scapex Exports Pvt. Ltd., Ahmedabad, Gujarat, is actively engaged as a manufacturer, supplier and exporter of a wide range of 4-Nitrotoluene-2-Sulfonic Acid, which includes ≥98% Technical material for sulfonic acid intermediates applications.

4-Nitrotoluene-2-Sulfonic Acid is manufactured and supplied by Scapex Exports Pvt. Ltd. as yellow to brown solid conforming to ≥98% Technical. The material is sourced from audited manufacturing partners in India, released against a batch Certificate of Analysis and packed for international freight in the pack sizes your process requires.

Within our dyes & dye intermediates range this product sits under Sulfonic Acid Intermediates, and is used principally in dye intermediate synthesis. Every consignment ships with the documentation set required for customs clearance and incoming-goods inspection at destination.

4-Nitrotoluene-2-Sulfonic Acid is also known as (synonyms): C7H7NO5S, CAS 121-03-9.

Specification

Product Name4-Nitrotoluene-2-Sulfonic Acid
C.A.S. Number121-03-9
Molecular FormulaC7H7NO5S
Molecular Weight217.20 g/mol
Melting Point133.5 °C
SolubilityVERY SOL IN WATER, ALCOHOL, ETHER, CHLOROFORM
CategoryDyes & Dye Intermediates
Product GroupSulfonic Acid Intermediates
Grade / Purity≥98% Technical
AppearanceYellow to brown solid
Primary ApplicationDye intermediate synthesis
GHS ClassificationAcutely toxic organic substance — see the Material Safety Data Sheet (MSDS)
Country of OriginIndia
PackingBags, drums, carboys, IBC or ISO tank as applicable. Customer-specified packing available.
DocumentationCOA, MSDS, TDS, Certificate of Origin
Minimum OrderQuoted against enquiry — trial and container quantities both supported

The specification shown is the standard commercial grade. Scapex supplies against customer-specified assay limits and pharmacopoeial or industry standards — share your specification sheet and we will confirm compliance before order.

Frequently Asked Questions

Do you export 4-Nitrotoluene-2-Sulfonic Acid from India?

Yes. Scapex Exports supplies 4-Nitrotoluene-2-Sulfonic Acid from India to buyers worldwide, including China, United States, United Arab Emirates, Vietnam, Bangladesh, Brazil and every other market listed on this page. Shipments move from Mundra, Nhava Sheva, Kandla, Hazira and Chennai on FOB, CFR or CIF terms.

What is the CAS number of 4-Nitrotoluene-2-Sulfonic Acid?

The CAS number of 4-Nitrotoluene-2-Sulfonic Acid is 121-03-9.

Can you supply a COA and SDS for 4-Nitrotoluene-2-Sulfonic Acid?

Yes. A Certificate of Analysis against the agreed specification and a 16-section GHS Material Safety Data Sheet are supplied with every consignment, and both are downloadable from this page before you order.

What is the minimum order quantity for 4-Nitrotoluene-2-Sulfonic Acid?

Trial quantities and full container loads are both supported. The minimum depends on the grade, the packing and the destination — send your requirement and we will confirm.

What grade of 4-Nitrotoluene-2-Sulfonic Acid do you supply?

The standard commercial grade is ≥98% Technical, supplied as yellow to brown solid. Other grades are available against your written specification — send the assay limits or pharmacopoeial reference you work to and we will confirm compliance before order.

Global Sourcing Desk

Tell us the product, grade and destination port.

Send the specification you work to — we confirm the grade, packing, documentation set and CIF/FOB price within one business day.