CompoundList

Tin dioxide hydrate

Also known as alpha-Stannic acid, Termoxid 213, Hydrous stannic oxide

CAS 22650-91-5Formula H2O3SnMolar mass 168.72 g/mol
Tin dioxide hydrate chemical structure, H2O3Sn, CAS 22650-91-5
2D chemical structure

Key facts

What buyers check first

CAS number
22650-91-5
Formula
H2O3Sn
Molar mass
168.72 g/mol
HS code
282590
Category
Oxides and peroxides

What is Tin dioxide hydrate?

Plain description, key identifiers and synonyms

Tin dioxide hydrate is a chemical substance with the molecular formula H2O3Sn and a molar mass of 168.72 g/mol. Its CAS registry number is 22650-91-5. The IUPAC name is bis(oxygen(2-)), tin(4+), hydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
bis(oxygen(2-)), tin(4+), hydrate
CAS number
22650-91-5
Molecular formula
H2O3Sn
UNII
RPZ95PH4UX
InChIKey
DTPNAFAEKUUQAR-UHFFFAOYSA-N
InChI
InChI=1S/H2O.2O.Sn/h1H2;;;/q;2*-2;+4
SMILES (canonical and isomeric)
O.[O-2].[O-2].[Sn+4]

Synonyms

  • alpha-Stannic acid
  • Termoxid 213
  • Hydrous stannic oxide
  • Stannic oxide hydrate
  • beta-Stannic acid
  • Tin oxide (SnO2), hydrate
  • Tin hydroxide (SnO2.NH2O)

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
168.72 g/molcalc.
Exact mass
169.9026 Dacalc.
LogP (octanol/water)
-1.44calc.
Topological polar surface area
88.5 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
4calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Tin dioxide hydrate suppliers

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Tin dioxide hydrate 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 Tin dioxide hydrate is traded under.

HS 2825.90Indicative HS code

Inorganic bases not elsewhere classified in heading 2825

World exports in 2024
$972M
+5.4% vs 2023, imports $3.4B
2019 to 2024
Top exporters
  1. China28.5%
  2. United States23.7%
  3. Brazil10.8%
Top importers
  1. South Korea77.2%
  2. Japan4.3%
  3. United States3.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Tin dioxide hydrate, based on the data on this page

What is Tin dioxide hydrate?

Tin dioxide hydrate is a chemical substance with the molecular formula H2O3Sn and a molar mass of 168.72 g/mol. Its CAS registry number is 22650-91-5. The IUPAC name is bis(oxygen(2-)), tin(4+), hydrate.

What is the CAS number of Tin dioxide hydrate?

The CAS registry number of Tin dioxide hydrate is 22650-91-5.

What is the molecular formula and weight of Tin dioxide hydrate?

The molecular formula of Tin dioxide hydrate is H2O3Sn and its molar mass is 168.72 g/mol.

Is Tin dioxide hydrate hazardous?

No GHS hazard classification for Tin dioxide hydrate is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Tin dioxide hydrate?

Tin dioxide hydrate is usually classified under HS code 282590 (Hydrazine and hydroxylamine and their inorganic salts, other inorganic bases, other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tin dioxide hydrate?

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What is the price of Tin dioxide hydrate?

Suppliers quote Tin dioxide hydrate 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 Tin dioxide hydrate

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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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