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Analytical Reagents

Calcium oxide, reagent grade

ReagentAvailable on request

Buy Calcium oxide, reagent grade (CAS 1305-78-8) from Zemixal: CaO, COA and SDS with every lot, worldwide shipping. Part of our Analytical Reagents range.

Pack sizes
Calcium oxide, reagent grade chemical structure
CAS number1305-78-8
FormulaCaO
Molar mass56.08 g/mol
Physical formPowder
HS code28259090
InChIKeyODINCKMPIJJUCX-UHFFFAOYSA-N
IUPAC nameoxocalcium

About Calcium oxide, reagent grade

Zemixal supplies Calcium oxide, reagent grade within its laboratory Chemicals & Reagents portfolio. Key data (Reagent): CAS 1305-78-8, formula CaO and molar mass 56.08 g/mol. Typical appearance is white to off-white powder.

Where it is used

  • Water treatment
  • Laboratory analysis

Storage and safety notes

Hazard communication follows GHS (Danger: H302, H314, H315 and H318). Our SDS lists exposure controls and first-aid measures.

Order it in 500 g, 2.5 kg and 4 x 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Water treatment
  • Laboratory analysis

Applications

Specifications and identifiers

Specifications of Calcium oxide, reagent grade
Product nameCalcium oxide, reagent grade
Catalogue numberZX-000043
CAS number1305-78-8
IUPAC nameoxocalcium
Molecular formulaCaO
Molar mass56.08 g/mol
Exact mass55.9575
GradeReagent
Physical formPowder
AppearanceWhite to off-white powder
H-bond donors / acceptors0 / 1
Topological polar surface area17.1 Ų
HS code28259090
InChIKeyODINCKMPIJJUCX-UHFFFAOYSA-N
SMILESO=[Ca]
PubChem CID14778
SynonymsLime, Quicklime, Calxyl, Gebrannter kalk, Unslaked lime, Calcium monoxide, Calx usta, Chaux vive, Quick lime, Rhenosorb C, Rhenosorb F, Calcium oxide (CaO)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Calcium oxide, reagent grade
500 gQuoted on request
2.5 kgQuoted on request
4 x 25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Calcium oxide, reagent grade

Which CAS number identifies Calcium oxide, reagent grade?
Calcium oxide, reagent grade is registered under CAS 1305-78-8. You may also see it listed as Lime, Quicklime, Calxyl. Our catalogue number for this item is ZX-000043.
What are the formula and molar mass of Calcium oxide, reagent grade?
For Calcium oxide, reagent grade, its formula is CaO and its molar mass is 56.08 g/mol. The systematic (IUPAC) name is oxocalcium. InChIKey ODINCKMPIJJUCX-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Calcium oxide, reagent grade?
This listing is Reagent grade. Standard packs are 500 g, 2.5 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Calcium oxide, reagent grade?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Calcium oxide, reagent grade to my country?
Yes. Because Calcium oxide, reagent grade is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 1305-78-8

All 8 grades

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