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Benzene-1,3-disulfonic acid disodium salt

CAS 831-59-4 C6H4(SO3Na)2 MW 282.20 Made to order

Benzene-1,3-disulfonic acid disodium salt is a sodium salt of benzene-1,3-disulfonic acid used in organic synthesis and as a reagent in chemical research. It is a white to off-white crystalline powder, soluble in water, and stable at ambient temperatures. CAS: 831-59-4, Molecular Formula: C6H4(SO3Na)2, Molecular Weight: 282.20 g/mol, Storage: Ambient, Signal Word: None. Molekula supplies Benzene-1,3-disulfonic acid disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Benzene-1,3-disulfonic acid disodium salt is a sodium salt of benzene-1,3-disulfonic acid used in organic synthesis and as a reagent in chemical research. It is a white to off-white crystalline powder, soluble in water, and stable at ambient temperatures. CAS: 831-59-4, Molecular Formula: C6H4(SO3Na)2, Molecular Weight: 282.20 g/mol, Storage: Ambient, Signal Word: None. Molekula supplies Benzene-1,3-disulfonic acid disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Off-white, cream to pale yellow powder
Water Content ~2.5%
Sulphated Ash ~50%
Assay (ex. Sulphated Ash) ≥ 94.0%

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months

Identification

Property Value
CAS Number 831-59-4
Molecular Formula C6H4(SO3Na)2
Molecular Weight 282.20
REACH Code Y110
Tariff Code 29041000

Safety & GHS

None

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

  • 25 g

    £26.40 · per pack

  • 100 g

    £77.70 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Benzene-1,3-disulfonic acid disodium salt used for?

It is primarily used as a chemical intermediate in the synthesis of dyes, pharmaceuticals, and specialty polymers.

What is the chemical formula and molecular weight?

The formula is C6H4(SO3Na)2 with a molecular weight of 282.20 g/mol.

How should this compound be stored?

Store at ambient temperature, protected from moisture and heat.

What grade is available?

Available in technical grade; custom purity options may be available upon request.

Can Molekula supply this in bulk?

Yes, bulk quantities are available—please contact our sales team for pricing and availability.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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