Calcium oxide, GR 98%+
Order Calcium oxide, GR 98%+ (CAS 1305-78-8) online at Zemixal. Request a quote with price, lead time and documents. Purity ≥98%.
About Calcium oxide, GR 98%+
Researchers and plant chemists source Calcium oxide, GR 98%+ from Zemixal for routine and specialised work. Key data (AR): 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
- Laboratory analysis
- Research & development
Handling and storage
Reported physical data: boiling point 2850 °C and density 3.3 g/mL at 25 °C. Classified under GHS with signal word Danger and hazard statements H302, H314, H315 and H318. Read the SDS before first use.
Available as 500 g, 5 kg and 4 x 25 kg. Larger or split packs can be arranged. 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
- Laboratory analysis
- Research & development
Applications
Grade guides
Specifications and identifiers
| Product name | Calcium oxide, GR 98%+ |
|---|---|
| Catalogue number | ZX-000042 |
| CAS number | 1305-78-8 |
| IUPAC name | oxocalcium |
| Molecular formula | CaO |
| Molar mass | 56.08 g/mol |
| Exact mass | 55.9575 |
| Grade | AR |
| Purity / assay | ≥98% |
| Physical form | Powder |
| Appearance | White to off-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 |
| 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
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 4 x 25 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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