CompoundList
Sign in
Silicates, borates and other salts

Copper silicate

Also known as copper, dioxido(oxo)silane, Cupric silicate, Silicic acid, copper salt

CAS 1344-72-5Formula CuO3SiMolar mass 139.63 g/molEC 215-707-1
GHS signal word: Danger. Pictograms: Corrosive, Hazardous to the environment
Get quotes Safety data
Copper silicate chemical structure, CuO3Si, CAS 1344-72-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1344-72-5
Formula
CuO3Si
Molar mass
139.63 g/mol
EC number
215-707-1
HS code
283990
Category
Silicates, borates and other salts

What is Copper silicate?

Plain description, key identifiers and synonyms

Copper silicate is a chemical substance with the molecular formula CuO3Si and a molar mass of 139.63 g/mol. Its CAS registry number is 1344-72-5. The IUPAC name is copper dioxido(oxo)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
copper dioxido(oxo)silane
CAS number
1344-72-5 CAS number cross-checkedOther or deprecated CAS: 16509-17-4
EC number
215-707-1
Molecular formula
CuO3Si
InChIKey
ZZBBCSFCMKWYQR-UHFFFAOYSA-N
InChI
InChI=1S/Cu.O3Si/c;1-4(2)3/q+2;-2
SMILES (canonical and isomeric)
[O-][Si](=O)[O-].[Cu+2]

Synonyms

  • copper, dioxido(oxo)silane
  • Cupric silicate
  • Silicic acid, copper salt
  • Copper(2+) 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
139.63 g/molcalc.
Exact mass
138.8913 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
5calc.
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
Danger
GHS05: Corrosive
Corrosive
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (16)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • P391Collect spillage.
  • P405Store locked up.
  • 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

Copper silicate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Copper silicate can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Copper silicate price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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

Frequently asked questions

Quick answers about Copper silicate, based on the data on this page

What is Copper silicate?

Copper silicate is a chemical substance with the molecular formula CuO3Si and a molar mass of 139.63 g/mol. Its CAS registry number is 1344-72-5. The IUPAC name is copper dioxido(oxo)silane.

What is the CAS number of Copper silicate?

The CAS registry number of Copper silicate is 1344-72-5. Other or deprecated CAS numbers: 16509-17-4.

What is the molecular formula and weight of Copper silicate?

The molecular formula of Copper silicate is CuO3Si and its molar mass is 139.63 g/mol.

Is Copper silicate hazardous?

Copper silicate carries the GHS signal word "Danger". Main hazards: causes severe skin burns and eye damage, causes serious eye damage, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Copper silicate?

Copper silicate 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 Copper silicate?

Post a free request on CompoundList and suppliers of Copper silicate will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Copper silicate?

Suppliers quote Copper silicate 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 Copper silicate

Get quotes for Copper silicate

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Copper silicate
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Copper silicate with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/copper-silicate-1344-72-5" title="Copper silicate structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Silicates, borates and other salts or HS code 283990

Price on request
Free quotes, contact stays private
Get quotes