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Description
Calcium oxalate monohydrate is used as a precursor in the production of oxalic acid, organic oxalates, ceramic glazes, and for rare-earth-metal separation process.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Melting Point | 200°C |
Physical Form | Lump/Powder |
Quantity | 100 g |
Assay Percent Range | 99% |
Solubility Information | Slightly soluble in water. |
Formula Weight | 146.11 (128.10 Anhydrous) |
Sensitivity | Hygroscopic |
Density | 2.12 |
Chemical Name or Material | Calcium oxalate, monohydrate |
Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
Z05K007 | Certificate of Analysis | 17/05/2025 | 032430.22,032430.36 |
WJ331982 | Certificate of Analysis | 15/02/2025 | |
M24L009 | Certificate of Analysis | 27/01/2025 | 032430.22,032430.36 |
T08K025 | Certificate of Analysis | 20/08/2024 | 032430.22,032430.36 |
P28K010 | Certificate of Analysis | 04/04/2024 | 032430.22,032430.36 |
Safety and Handling

- Calcium oxalate monohydrate
- Warning
- Acute toxicity Category 4
- H302-Harmful if swallowed.
- H312-Harmful in contact with skin.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- MIXTURE LIST-Contains : EDTA, calcium salt
RUO – Research Use Only
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