Calcium oxide, 99.95%
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About Calcium oxide, 99.95%
Calcium oxide, 99.95% is part of the Zemixal analytical Reagents range. Identity at a glance (99.95%): CAS 1305-78-8, formula CaO and molar mass 56.08 g/mol. Typical appearance is white powder.
Where it is used
- Ceramics & glass
- Metallurgy & plating
- Fuels & lubricants
Safe handling
Physical constants on file: boiling point 2850 °C and density 3.3 g/mL at 25 °C. It carries the GHS signal word Danger (H302, H314, H315 and H318), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 1910.
Standard pack sizes are 25 g, 100 g and 1 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Ceramics & glass
- Metallurgy & plating
- Fuels & lubricants
Applications
Specifications and identifiers
| Product name | Calcium oxide, 99.95% |
|---|---|
| Catalogue number | ZX-000039 |
| CAS number | 1305-78-8 |
| IUPAC name | oxocalcium |
| Molecular formula | CaO |
| Molar mass | 56.08 g/mol |
| Exact mass | 55.9575 |
| Purity / assay | 99.95% |
| Physical form | Powder |
| Appearance | White powder |
| Boiling point | 2850 °C |
| Density | 3.3 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 1 |
| Topological polar surface area | 17.1 Ų |
| HS code | 28259090 |
| UN number | UN 1910 |
| InChIKey | ODINCKMPIJJUCX-UHFFFAOYSA-N |
| SMILES | O=[Ca] |
| PubChem CID | 14778 |
| 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 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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