Copper(I) oxide ≥99.99%

Name: Copper(I) oxide ≥99.99%
Brand: Vaqora Chemicals
SKU: VQ-014600

About Copper(I) oxide ≥99.99%

Copper(I) oxide is a transition metal compound (Puriss grade) carrying the CAS registry number 1317-39-1 with a typical assay of 99.99%. The compound has the formula Cu2O, corresponding to a molecular weight of 143.09 g/mol. Systematically, it is named copper. Oxocopper. Alternative names: Cuprous oxide and (cupriooxy)copper.

It is supplied as a red to brown to black powder. Key physical data: a density of 6 g/mL at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for dyes and pigments manufacture, paints, coatings and inks and ceramics and glass. Our customers for this product work in academic and industrial research.

Vaqora Chemicals supplies Copper(I) oxide in 5 g, 25 g, 1 kg and 5 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Dyes & pigments manufacture
Paints, coatings & inks
Ceramics & glass

Industries

Specifications & identifiers

Chemical identifiers
Product name	Copper(I) oxide ≥99.99%
Catalogue No.	VQ-014600
CAS Number	1317-39-1
IUPAC name	copper;oxocopper
Molecular formula	Cu₂O
Molecular weight	143.09 g/mol
Exact mass	141.8541
Grade	Puriss
Purity / assay	99.99%
HSN code	28255000
InChIKey	BERDEBHAJNAUOM-UHFFFAOYSA-N
SMILES	O=[Cu].[Cu]
PubChem CID	18346908

Physical properties
Physical form	Powder
Appearance	Red to brown to black powder
Density	6 g/mL at 25 °C
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
UN number	UN 3077
Synonyms	Cuprous oxide, (cupriooxy)copper, Brown copper oxide, copper (I) oxide, Copper hemioxide, Copper Nordox, Copper oxide (Cu2O), Copper oxide, red, Copper protoxide, Copper Sandoz, Copper sardez, Copper suboxide

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H318Causes serious eye damage
H332Harmful if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P304 + P340, P305 + P354 + P338, P317, P330, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1317-39-1

Copper(I) oxide nanopowder, APS 20-30 nm, 99.8%

CAS: 1317-39-1
Formula: Cu₂O
MW: 143.09 g/mol

VQ-017462

AR

Copper(I) oxide nanopowder, APS 20-30 nm, AR

CAS: 1317-39-1
Formula: Cu₂O
MW: 143.09 g/mol

VQ-046353

Copper(I) oxide powder, ≤7 μm, 97%

CAS: 1317-39-1
Formula: Cu₂O
MW: 143.09 g/mol

VQ-014599

Puriss

Cuprous oxide, 99.9%

CAS: 1317-39-1
Formula: Cu₂O
MW: 143.09 g/mol

VQ-014649

Extra Pure

Cuprous oxide, red, 96%

CAS: 1317-39-1
Formula: Cu₂O
MW: 143.09 g/mol

VQ-014650

Frequently asked questions

What is the CAS number of Copper(I) oxide ≥99.99%?

The CAS Registry Number of Copper(I) oxide ≥99.99% is 1317-39-1. It is also known as Cuprous oxide, (cupriooxy)copper, Brown copper oxide.

What is the molecular formula and molecular weight of Copper(I) oxide ≥99.99%?

Copper(I) oxide ≥99.99% has the molecular formula Cu2O and a molecular weight of 143.09 g/mol.

Which grade and pack sizes of Copper(I) oxide ≥99.99% can I order?

We supply Copper(I) oxide ≥99.99% in Puriss (99.99%) grade, in 5 g, 25 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Copper(I) oxide ≥99.99%?

Yes. Every lot of Copper(I) oxide ≥99.99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Copper(I) oxide ≥99.99% be shipped internationally?

Yes. Copper(I) oxide ≥99.99% is classified as hazardous (UN 3077), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.