Calcium oxide powder, 90%

Name: Calcium oxide powder, 90%
Brand: Vaqora Chemicals
SKU: VQ-000038

About Calcium oxide powder, 90%

Calcium oxide powder (CAS 1305-78-8) is an analytical reagent offered by Vaqora Chemicals (Extra Pure grade), specified at 90% purity. With the molecular formula CaO, it has a molar mass of 56.08 g/mol. Its systematic (IUPAC) name is oxocalcium. Alternative names: Calxyl and Gebrannter kalk.

It is supplied as a white powder. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and catalysis. It is used across academic and industrial research.

Standard pack sizes are 500 g, 5 kg and 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
Catalysis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Calcium oxide powder, 90%
Catalogue No.	VQ-000038
CAS Number	1305-78-8
IUPAC name	oxocalcium
Molecular formula	CaO
Molecular weight	56.08 g/mol
Exact mass	55.9575
Grade	Extra Pure
Purity / assay	90%
HSN code	28259090
InChIKey	ODINCKMPIJJUCX-UHFFFAOYSA-N
SMILES	O=[Ca]
PubChem CID	14778

Physical properties
Physical form	Powder
Appearance	White powder
H-bond donors / acceptors	0 / 1
TPSA	17.1 Å²
Synonyms	Calxyl, Gebrannter kalk, Unslaked lime, Calcium monoxide, Calx usta, Chaux vive, Quick lime, Rhenosorb C, Rhenosorb F, Calcium oxide (CaO), Desical P, Lime, burned

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P319, P321, P330, P332 + P317, P362 + P364, P363, P403 + P233, P405, 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 1305-78-8

Food Grade

Calcium oxide powder, food grade (FCC) 95.0%

CAS: 1305-78-8
Formula: CaO
MW: 56.08 g/mol

VQ-046971

Calcium oxide, 99.95%

CAS: 1305-78-8
Formula: CaO
MW: 56.08 g/mol

VQ-000039

Calcium oxide, 99.995%

CAS: 1305-78-8
Formula: CaO
MW: 56.08 g/mol

VQ-000040

Calcium oxide, 99.998%

CAS: 1305-78-8
Formula: CaO
MW: 56.08 g/mol

VQ-000041

AR

Calcium oxide, GR 98%+

CAS: 1305-78-8
Formula: CaO
MW: 56.08 g/mol

VQ-000042

Calcium oxide, nanopowder, APS 100-300 nm, 99.5%

CAS: 1305-78-8
Formula: CaO
MW: 56.08 g/mol

VQ-017447

Reagent

Calcium oxide, reagent grade

CAS: 1305-78-8
Formula: CaO
MW: 56.08 g/mol

VQ-000043

Frequently asked questions

What is the CAS number of Calcium oxide powder, 90%?

The CAS Registry Number of Calcium oxide powder, 90% is 1305-78-8. It is also known as Calxyl, Gebrannter kalk, Unslaked lime.

What is the molecular formula and molecular weight of Calcium oxide powder, 90%?

Calcium oxide powder, 90% has the molecular formula CaO and a molecular weight of 56.08 g/mol. Its IUPAC name is oxocalcium.

Which grade and pack sizes of Calcium oxide powder, 90% can I order?

We supply Calcium oxide powder, 90% in Extra Pure (90%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Calcium oxide powder, 90%?

Yes. Every lot of Calcium oxide powder, 90% 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 Calcium oxide powder, 90% be shipped internationally?

Yes. Calcium oxide powder, 90% is classified as hazardous, 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.