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Silicates, borates and other salts

Silicate (SiO32-)

Also known as Oxosilanebis(olate)

CAS 15593-90-5Formula O3Si-2Molar mass 76.08 g/mol
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Silicate (SiO32-) chemical structure, O3Si-2, CAS 15593-90-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
15593-90-5
Formula
O3Si-2
Molar mass
76.08 g/mol
HS code
283990
Category
Silicates, borates and other salts

What is Silicate (SiO32-)?

Plain description, key identifiers and synonyms

Silicate (SiO32-) is a chemical substance with the molecular formula O3Si-2 and a molar mass of 76.08 g/mol. Its CAS registry number is 15593-90-5. The IUPAC name is dioxido(oxo)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dioxido(oxo)silane
CAS number
15593-90-5 CAS number cross-checked
Molecular formula
O3Si-2
InChIKey
WTOAJNCLCKBIMK-UHFFFAOYSA-N
InChI
InChI=1S/O3Si/c1-4(2)3/q-2
SMILES (canonical and isomeric)
[O-][Si](=O)[O-]

Synonyms

  • Oxosilanebis(olate)

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
76.08 g/molcalc.
Exact mass
75.9628 Dacalc.
LogP (octanol/water)
-2.88calc.
Topological polar surface area
63.19 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
-2calc.
Stereocentres
0calc.

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.

Silicate (SiO32-) suppliers

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Silicate (SiO32-) 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 Silicate (SiO32-) is traded under.

HS 2839.90Indicative HS code

Silicates, commercial alkali metal silicates, other

World exports in 2024
$241M
−2.7% vs 2023, imports $307M
2019 to 2024
Top exporters
  1. China20.4%
  2. United States17.9%
  3. Netherlands11.7%
Top importers
  1. Saudi Arabia13.5%
  2. Germany8.3%
  3. United States7.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Silicate (SiO32-) is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Silicate (SiO32-), based on the data on this page

What is Silicate (SiO32-)?

Silicate (SiO32-) is a chemical substance with the molecular formula O3Si-2 and a molar mass of 76.08 g/mol. Its CAS registry number is 15593-90-5. The IUPAC name is dioxido(oxo)silane.

What is the CAS number of Silicate (SiO32-)?

The CAS registry number of Silicate (SiO32-) is 15593-90-5.

What is the molecular formula and weight of Silicate (SiO32-)?

The molecular formula of Silicate (SiO32-) is O3Si-2 and its molar mass is 76.08 g/mol.

Is Silicate (SiO32-) hazardous?

No GHS hazard classification for Silicate (SiO32-) 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 Silicate (SiO32-)?

Silicate (SiO32-) is usually classified under HS code 283990 (Silicates, commercial alkali metal silicates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Silicate (SiO32-)?

Post a free request on CompoundList and suppliers of Silicate (SiO32-) will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Silicate (SiO32-)?

Suppliers quote Silicate (SiO32-) 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 Silicate (SiO32-)

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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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