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Sulfates and sulfur salts

Vanadium monosulfate

Also known as Vanadium sulfate, VSO4, Vanadium(II) sulfate, Sulfuric acid, vanadium(2+) salt (1:1)

CAS 13566-06-8Formula O4SVMolar mass 147.01 g/molEC 806-241-5
GHS signal word: Warning. Pictograms: Harmful or irritant
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Vanadium monosulfate chemical structure, O4SV, CAS 13566-06-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
13566-06-8
Formula
O4SV
Molar mass
147.01 g/mol
EC number
806-241-5
HS code
283329
Category
Sulfates and sulfur salts

What is Vanadium monosulfate?

Plain description, key identifiers and synonyms

Vanadium monosulfate is a chemical substance with the molecular formula O4SV and a molar mass of 147.01 g/mol. Its CAS registry number is 13566-06-8. The IUPAC name is vanadium(2+) sulfate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
vanadium(2+) sulfate
CAS number
13566-06-8 CAS number cross-checked
EC number
806-241-5
Molecular formula
O4SV
UNII
IO5B4EXJYI
InChIKey
VLOPEOIIELCUML-UHFFFAOYSA-L
InChI
InChI=1S/H2O4S.V/c1-5(2,3)4;/h(H2,1,2,3,4);/q;+2/p-2
SMILES (canonical and isomeric)
[O-]S(=O)(=O)[O-].[V+2]

Synonyms

  • Vanadium sulfate, VSO4
  • Vanadium(II) sulfate
  • Sulfuric acid, vanadium(2+) salt (1:1)
  • vanadium(2+) sulfate

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
147.01 g/molcalc.
Exact mass
146.8957 Dacalc.
LogP (octanol/water)
-1.34calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

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

Hazard statements

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

Vanadium monosulfate suppliers

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Vanadium monosulfate 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 Vanadium monosulfate 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 Vanadium monosulfate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Vanadium monosulfate, based on the data on this page

What is Vanadium monosulfate?

Vanadium monosulfate is a chemical substance with the molecular formula O4SV and a molar mass of 147.01 g/mol. Its CAS registry number is 13566-06-8. The IUPAC name is vanadium(2+) sulfate.

What is the CAS number of Vanadium monosulfate?

The CAS registry number of Vanadium monosulfate is 13566-06-8.

What is the molecular formula and weight of Vanadium monosulfate?

The molecular formula of Vanadium monosulfate is O4SV and its molar mass is 147.01 g/mol.

Is Vanadium monosulfate hazardous?

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

What is the HS code of Vanadium monosulfate?

Vanadium monosulfate 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 Vanadium monosulfate?

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What is the price of Vanadium monosulfate?

Suppliers quote Vanadium monosulfate 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 Vanadium monosulfate

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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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