CAS 10043-01-3

Aluminum sulfate

硫酸铝

Al2(SO4)3MW 342.2 g/molHS 283322

From the buying desk

Exported as flakes, granules or powder, usually rated by Al2O3 content, with iron free and ordinary grades. Water treatment buyers should specify iron and insoluble matter limits. Not dangerous goods by sea, though it causes serious eye damage in handling.

Import Card

Before you order aluminum 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.

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Identifiers

Synonyms
Alum, Aluminum sulphate, Papermaker's alum
Formula
Al2(SO4)3
Molecular weight
342.2 g/mol
SMILES
[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[Al+3]
InChIKey
DIZPMCHEQGEION-UHFFFAOYSA-H
HS code (6-digit)
283322

Transport and hazard profile

GHS hazard statements, Danger. H-codes, H318. Refer to the substance SDS Section 2 for the full classification.

US and Australian rules for Aluminum sulfate

Read from the official lists by CAS 10043-01-3. Screening only: check the source before you ship, store or report.

California Prop 65

No entry

No entry for CAS 10043-01-3 in the OEHHA list dated July 31, 2026.

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OSHA exposure limit

No entry

No entry for CAS 10043-01-3 in 29 CFR 1910.1000 Tables Z-1 to Z-3.

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Australian exposure standard

No entry

No entry for CAS 10043-01-3 in the Safe Work Australia workplace exposure standards.

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CERCLA reportable quantity

Listed

Reportable quantity 5,000 lb (2,270 kg). A package holding this much needs RQ on the shipping paper.

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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

  • · Drinking and wastewater treatment
  • · Paper sizing
  • · Textile mordant
  • · Soil pH adjustment

Sourcing documentation chain

Every shipment of Aluminum 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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