8-amino-2-naphthalenesulfonic Acid | 119-28-8
Cas No :
119-28-8
Synonyms :
Form :
Powder
Molecular Weight :
223.30 g/mol
Molecular Formula :
C10H9NO3S
Boiling Point :
500 °C
Melting Point :
284 °C
Flash Point :
230 °C
Solubility :
Soluble in water
Description :
8-Amino-2-Naphthalenesulfonic Acid Supplier & Distributor
ChemicalBull is a reliable 8-Amino-2-Naphthalenesulfonic Acid supplier, distributor, trader and exporter in India for dye intermediates, textile colourants and specialty chemical production. Buyers comparing 8-Amino-2-Naphthalenesulfonic Acid manufacturers and suppliers can contact us for specifications, COA, MSDS/SDS, packing, availability and bulk pricing.
8-Amino-2-Naphthalenesulfonic Acid, also known as 1,7-Cleve’s Acid and 1-Naphthylamine-7-Sulfonic Acid, is an aromatic amino sulphonic acid. Its CAS Number is 119-28-8, molecular formula is C10H9NO3S, and molecular weight is approximately 223.25 g/mol.
Looking for 8-Amino-2-Naphthalenesulfonic Acid for dye or colour-intermediate manufacturing? Share your purity, quantity, packing and destination to receive current availability and bulk pricing.
Overview of 8-Amino-2-Naphthalenesulfonic Acid
8-Amino-2-Naphthalenesulfonic Acid contains an amino group and a sulphonic acid group attached to a naphthalene ring. This combination makes it a useful intermediate for diazotisation, coupling and other reactions used in colour-chemical manufacturing.
Its main commercial demand comes from dye and dyestuff manufacturers. It may be converted into selected azo dyes, acid dyes and other specialised colour intermediates used in downstream textile, leather, paper and related applications.
The product is generally purchased according to assay, appearance, moisture, insoluble matter and isomer-related impurity limits. Buyers should clearly mention their process requirements when requesting a quotation.
Applications of 8-Amino-2-Naphthalenesulfonic Acid
Azo Dye Intermediate Production
The principal application of 8-Amino-2-Naphthalenesulfonic Acid is as an intermediate in azo dye manufacturing.
Its amino group can undergo diazotisation, followed by coupling with a suitable chemical component. This process supports the production of selected colourants with the required shade and performance properties.
Reaction yield and finished-dye quality can be influenced by assay, isomer content, moisture and other impurities. Dye manufacturers should test the offered grade under their actual production conditions.
Acid Dye Manufacturing
The sulphonic acid group supports the development of water-compatible dye structures. For this reason, the product is used in selected acid-dye and speciality colourant manufacturing routes.
Finished acid dyes produced from suitable intermediates may be used for wool, silk, nylon, leather and other compatible substrates. The exact application depends on the complete dye molecule and formulation.
This raw material should not be considered a finished dye. It requires further chemical processing before use in colouring applications.
Textile Colour Intermediates
Textile chemical manufacturers use aminonaphthalene sulphonic acids to produce intermediates and colourants for selected textile-dyeing processes.
The suitability of the finished colourant depends on shade, solubility, fibre affinity, fastness and the other raw materials used during synthesis. Consistent intermediate quality can help manufacturers control batch-to-batch colour performance.
Leather, Paper and Ink Colourants
Derivatives produced from 8-Amino-2-Naphthalenesulfonic Acid may be used in selected colourants for leather, paper and ink applications.
The intermediate itself is not normally added directly to the finished product. It is chemically converted into a suitable dye or functional colour compound before downstream formulation.
Manufacturers should evaluate the completed colourant for shade, stability, compatibility and application performance.
Specialty Chemical Synthesis
Specialty chemical companies may use this product as an aromatic building block for synthesising naphthalene-based compounds and functional organic intermediates.
It can support custom synthesis, laboratory development and multi-stage production routes requiring both amino and sulphonic acid functionality.
The required grade depends on reaction sensitivity, final-product specification and permitted impurity levels.
Supply for Dye and Intermediate Manufacturers
ChemicalBull supplies 8-Amino-2-Naphthalenesulfonic Acid to:
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Dye and dyestuff manufacturers
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Azo dye intermediate producers
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Textile chemical companies
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Leather colourant manufacturers
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Paper and ink colourant producers
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Fine and specialty chemical companies
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Custom synthesis organisations
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Industrial chemical distributors
For correct product matching, buyers should provide their required purity, impurity limits, quantity, packing, end-use application and delivery location.
Price and Bulk Supply
The 8-Amino-2-Naphthalenesulfonic Acid price depends on purity, impurity profile, order quantity, packing, production availability and delivery destination.
Buyers searching for CAS 119-28-8 price, 1,7-Cleve’s Acid price or bulk supply in India can contact ChemicalBull for a current commercial quotation.
For accurate pricing, share:
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Required assay or purity
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Permitted isomer and impurity limits
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Trial, monthly or annual quantity
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End-use application
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Packing requirement
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Delivery destination
Recurring buyers may provide their expected monthly or annual consumption for supply planning and commercial evaluation.
Where to Buy 8-Amino-2-Naphthalenesulfonic Acid
ChemicalBull supplies 8-Amino-2-Naphthalenesulfonic Acid for dye intermediates, textile colourants and specialty chemical synthesis across India and selected international destinations.
8-Amino-2-Naphthalenesulfonic Acid Manufacturer
Buyers searching for an 8-Amino-2-Naphthalenesulfonic Acid manufacturer in India can contact ChemicalBull for suitable sourcing options based on required purity, specifications, quantity and application.
We support product matching and coordinate available technical documentation, packing and commercial supply.
8-Amino-2-Naphthalenesulfonic Acid Supplier and Distributor
As a B2B 8-Amino-2-Naphthalenesulfonic Acid supplier and distributor, ChemicalBull supports trial, recurring and bulk requirements.
Share your specification, order quantity, packing and destination to receive current availability, expected lead time and commercial pricing.
MSDS for 8-Amino-2-Naphthalenesulfonic Acid
The 8-Amino-2-Naphthalenesulfonic Acid MSDS/SDS provides information about product hazards, exposure controls, personal protection, safe handling, storage, first aid, accidental release and disposal.
Buyers may request the applicable MSDS/SDS, batch-specific COA and product specification for technical evaluation before placing an order.
Request a Bulk Quotation
Looking for 8-Amino-2-Naphthalenesulfonic Acid for azo dyes, acid dyes or specialty intermediate production?
Share your required purity, impurity limits, quantity, packing and delivery destination with ChemicalBull.
Frequently Asked Questions
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What is the CAS number of 8-Amino-2-Naphthalenesulfonic Acid?
The CAS Number of 8-Amino-2-Naphthalenesulfonic Acid is 119-28-8. Its molecular formula is C10H9NO3S, and its molecular weight is approximately 223.25 g/mol. -
What is another name for 8-Amino-2-Naphthalenesulfonic Acid?
It is also known as 1,7-Cleve’s Acid, Cleves Acid-1,7 and 1-Naphthylamine-7-Sulfonic Acid. -
What is its main industrial application?
Its main industrial application is as an intermediate in the manufacture of azo dyes, acid dyes and related specialty colourants. -
Is it a finished textile dye?
No. It is a chemical intermediate used to manufacture selected dyes and colourants. Further reactions and formulation are required before the finished product can be used in textile or other colouring applications. -
How can buyers obtain the current price?
The price depends on purity, impurity profile, quantity, packing and delivery destination. Buyers should share these details with ChemicalBull to receive an accurate quotation.
ChemicalBull supplies 8-amino-2-naphthalenesulfonic Acid across India, serving customers in Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Chhattisgarh, Goa, Gujarat, Haryana, Himachal Pradesh, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Punjab, Rajasthan, Sikkim, Tamil Nadu, Telangana, Tripura, Uttar Pradesh, Uttarakhand, and West Bengal, as well as the Union Territories of Andaman & Nicobar Islands, Chandigarh, Dadra & Nagar Haveli and Daman & Diu, Delhi, Jammu & Kashmir, Ladakh, Lakshadweep, and Puducherry. We serve pharmaceutical, chemical, research, academic, laboratory, manufacturing, and industrial customers with reliable nationwide delivery.