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Sulfates and sulfur salts

Antimony sulfate

Also known as Antimony trisulfate, Diantimony trisulfate, Antimonous sulfate

CAS 7446-32-4Formula O12S3Sb2Molar mass 531.71 g/molEC 231-207-6
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 1 supplier listed
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Antimony sulfate chemical structure, O12S3Sb2, CAS 7446-32-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7446-32-4
Formula
O12S3Sb2
Molar mass
531.71 g/mol
EC number
231-207-6
HS code
283329
Category
Sulfates and sulfur salts

What is Antimony sulfate?

Plain description, key identifiers and synonyms

Antimony sulfate is a chemical substance with the molecular formula O12S3Sb2 and a molar mass of 531.71 g/mol. Its CAS registry number is 7446-32-4. The IUPAC name is bis(antimony(3+)), trisulfate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
bis(antimony(3+)), trisulfate
CAS number
7446-32-4 CAS number cross-checked
EC number
231-207-6
Molecular formula
O12S3Sb2
UNII
HN58C3HK0X
MDL number
MFCD00016318
InChIKey
MVMLTMBYNXHXFI-UHFFFAOYSA-H
InChI
InChI=1S/3H2O4S.2Sb/c3*1-5(2,3)4;;/h3*(H2,1,2,3,4);;/q;;;2*+3/p-6
SMILES (canonical and isomeric)
[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Sb+3].[Sb+3]

Synonyms

  • Antimony trisulfate
  • Diantimony trisulfate
  • Antimonous sulfate
  • Diantimony tris(sulphate)
  • Sulfuric acid, antimony salt
  • Antimony(III) sulfate (2:3)
  • Antimony sesquisulfate
  • Sulfuric acid, antimony(3+) salt (3:2)
  • Antimony(III) sulfate
  • Antimon(III)-sulfat
  • antimony(3+), trisulfate
  • O12S3Sb2
  • Antimony(3+) sulfate (2/3)
  • Sulfuric acid antimony salt (3:2)
  • Antimony(III) sulfate, >=95.0%
  • ANTIMONY SULFATE, Sb2(SO4)3
  • 2,4,6,8,9,11-Hexaoxa-3,7,10-trithia(VI)-1,5-distibabicyclo[3.3.3]undecane-3,3,7,7,10,10-hexone

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
531.71 g/molcalc.
Exact mass
529.6628 Dacalc.
LogP (octanol/water)
-4.78calc.
Topological polar surface area
240.8 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
12calc.
Rotatable bonds
0calc.
Heavy atoms
17calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
5calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302 + H332Harmful if swallowed. Harmful if inhaled.
  • H302Harmful if swallowed.
  • H332Harmful if inhaled.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (11)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Antimony sulfate suppliers

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Where suppliers are based

1 supplier in 1 country

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Antimony sulfate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Antimony sulfate is traded under.

HS 2833.29Indicative HS code

Sulphates, alums, peroxosulphates (persulphates), other

World exports in 2024
$1.1B
−26.3% vs 2023, imports $1.41B
2019 to 2024
Top exporters
  1. China35.9%
  2. Germany8.8%
  3. Mexico7.6%
Top importers
  1. China16.7%
  2. United States13.5%
  3. Japan10.1%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Antimony sulfate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Antimony sulfate, based on the data on this page

What is Antimony sulfate?

Antimony sulfate is a chemical substance with the molecular formula O12S3Sb2 and a molar mass of 531.71 g/mol. Its CAS registry number is 7446-32-4. The IUPAC name is bis(antimony(3+)), trisulfate.

What is the CAS number of Antimony sulfate?

The CAS registry number of Antimony sulfate is 7446-32-4.

What is the molecular formula and weight of Antimony sulfate?

The molecular formula of Antimony sulfate is O12S3Sb2 and its molar mass is 531.71 g/mol.

Is Antimony sulfate hazardous?

Antimony sulfate carries the GHS signal word "Warning". Main hazards: harmful if swallowed. harmful if inhaled, harmful if swallowed, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Antimony sulfate?

Antimony sulfate is usually classified under HS code 283329 (Sulphates, alums, peroxosulphates (persulphates), other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Antimony sulfate?

CompoundList lists 1 supplier of Antimony sulfate in Thailand. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Antimony sulfate?

Suppliers quote Antimony sulfate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Antimony sulfate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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