CAS 7757-82-6

Sodium sulfate

硫酸钠

Na2SO4MW 142.04 g/molHS 283311

From the buying desk

Anhydrous sodium sulfate for detergent use is commonly 99% in 50 kg bags or jumbo bags. It is not dangerous goods. The main quality points are whiteness, iron content and moisture, so agree those numbers in the contract before the factory loads.

Import Card

Before you order sodium sulfate from China, see its register listing, the duty, anti dumping cases and a supplier check on one card, each with its source and date.

Identifiers

Synonyms
Salt cake, Glauber's salt (decahydrate), Thenardite
Formula
Na2SO4
Molecular weight
142.04 g/mol
SMILES
[O-]S(=O)(=O)[O-].[Na+].[Na+]
InChIKey
PMZURENOXWZQFD-UHFFFAOYSA-L
HS code (6-digit)
283311

US and Australian rules for Sodium sulfate

Read from the official lists by CAS 7757-82-6. Screening only: check the source before you ship, store or report.

California Prop 65

No entry

No entry for CAS 7757-82-6 in the OEHHA list dated July 31, 2026.

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OSHA exposure limit

No entry

No entry for CAS 7757-82-6 in 29 CFR 1910.1000 Tables Z-1 to Z-3.

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Australian exposure standard

No entry

No entry for CAS 7757-82-6 in the Safe Work Australia workplace exposure standards.

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CERCLA reportable quantity

No entry

No entry for CAS 7757-82-6 in 40 CFR 302.4 as read on September 24, 2026.

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EPCRA Tier II threshold

No entry

Not on the Extremely Hazardous Substances list, so the general 10,000 lb Tier II threshold applies where an SDS is required.

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Common applications

  • · Powder detergents
  • · Glass manufacturing
  • · Kraft pulping
  • · Textile dyeing

Sourcing documentation chain

Every shipment of Sodium sulfate from China should include a per-batch COA, a current SDS per GB/T 17519 on the China side and the destination jurisdiction's standard on the import side, a packing list, a bill of lading, and a certificate of origin. For Incoterms reference see FOB, CIF, and CFR.

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