Potassium binoxalate
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Description
White, slightly hygroscopic crystals. Potassium binoxalate is used as a water soluble source of oxalate for removing of rust stains and iron gall inks. It is also used as a cleaner for metals and wood, as a mordant in dyeing, and as a photographic chemical.
Synonyms and Related Terms
potassium acid oxalate; potassium hydrogen oxalate; sorrel salt; it has incorrectly been called salts of lemon
Risks
- Toxic by ingestion.
- Flinn Scientific: SDS
Physical and Chemical Properties
Soluble in water. Insoluble in ethanol. Decomposes when heated.
| Composition | KHC2O4 - + H2O |
|---|---|
| CAS | 127-95-7 |
| Molecular Weight | mol. wt. = 128.13 |