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Thiosalicylic Acid

Mercapto-carboxylic aromatic intermediate for organic synthesis, dye chemistry and analytical development.

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ZXCHEM Thiosalicylic Acid China supplier — Light-yellow crystalline powder (CAS 147-93-3)
PRODUCT IDENTIFICATION

Thiosalicylic Acid at a Glance

ZXCHEM is a thiosalicylic acid supplier and exporter in China. Thiosalicylic acid, also known as 2-mercaptobenzoic acid, is an aromatic organosulfur compound with adjacent thiol and carboxylic acid groups. CAS 147-93-3 and EC 205-704-3 identify the substance.

CAS No.147-93-3
Synonyms2-Mercaptobenzoic acid
Assay / GradeAssay ≥98.0%
EC / EINECS205-704-3
HS Code293090
Dangerous Goods ClassNon-dangerous goods
AppearanceLight-yellow crystalline powder
MF (component)C7H6O2S
MW (component)154.19 g/mol

Request a free sample for testing.

Standard lead time is approximately 14 days from order confirmation.

TECHNICAL DATA

Thiosalicylic Acid Specifications

ParameterSpecification
Appearance
Light-yellow crystalline powder
Assay
≥98.0 %
Melting range
164–166 °C

Grade-specific supply limits. The agreed specification and batch COA govern delivery.

Commercial Information

OriginChina
MOQ1,000 kg
Packing25 kg drums
Lead timeApproximately 14 days from order confirmation
SamplesContact us for free samples

Storage & Shipping

Storage Conditions

Keep tightly closed in a cool, dry, well-ventilated area. Protect hygroscopic material from moisture and air exposure; use inert handling where required. Separate from strong oxidizing agents and excess heat.

Packaging Integrity

Inspect drum closures and moisture-barrier liners before unloading. Keep lot labels legible and use dedicated dry tools; reseal immediately after sampling to preserve package integrity.

Packaging

25 kg drums

Handling & Protection

Provide effective ventilation during powder transfer. Wear suitable protective gloves, safety goggles and work clothing. Avoid airborne dust, ingestion and unnecessary skin or eye contact.

What Is Thiosalicylic Acid?

Thiosalicylic acid (2-mercaptobenzoic acid), CAS 147-93-3, EC 205-704-3, C7H6O2S, is an aromatic compound with thiol and carboxylic acid groups. It is an intermediate for thioxanthone photoinitiators, dyes and pharmaceuticals such as thimerosal.

The light yellow powder has assay ≥98.0% and melting range 164–166°C.

It is not regulated as dangerous goods.

As a thiosalicylic acid supplier and exporter in China, ZXCHEM packs it in 25 kg drums.

See all surface treatment chemicals in our catalog.

FORMULATION

Thiosalicylic Acid Applications

Photoinitiators

Raw material for thioxanthone photoinitiators.

Dyes

Intermediate for thioindigo and other dyes.

Pharmaceuticals

Intermediate in pharmaceutical synthesis.

WHY ZXCHEM

Why Source Thiosalicylic Acid from ZXCHEM

Combined chemical orders

Source several chemical raw materials through one ZXCHEM contact. We coordinate product selection, quotations and suitable consolidated shipments so you can plan the order with one team.

Dedicated R&D Laboratory

Discuss specifications, sample results and application questions with our technical team. Our dedicated R&D laboratory supports product testing and helps clarify material selection.

Experienced Chemical Logistics

ZXCHEM has more than 30 years of experience in dangerous-goods transportation. We coordinate suitable shipments through logistics companies in which we hold equity interests in Qingdao, Shanghai, Guangzhou and Tianjin.

Dedicated Purchasing Support

Your account manager follows the order from quotation and contract signing through shipment and after-sales support. One contact coordinates technical documents, commercial details and delivery updates.

BUYER FAQ

Thiosalicylic Acid FAQ

Which Thiosalicylic Acid grade should I choose?

The listed supply specification is Assay ≥98.0%. Check the TDS for assay and impurity limits, then test a sample for compatibility and performance in your process.

Can I request a Thiosalicylic Acid sample for testing?

Yes. We can provide free samples for testing. Tell us the application, the grade you need and the tests you plan to run.

How is Thiosalicylic Acid packed and shipped?

Standard packing is 25 kg drums. The usual MOQ is 1,000 kg, with a lead time of approximately 14 days from order confirmation. It ships as non-dangerous goods.

Which documents are available for Thiosalicylic Acid?

The TDS lists the supply specification and the SDS covers safety and transport; both can be downloaded on this page. Each shipment comes with a batch COA.

Request a Quote for Thiosalicylic Acid

Tell us the required grade, quantity, destination port and documents. We reply within one business day.

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