Name Oxalic Acid Anhydrous Organic Synthesis 99%min
Synonyms Oxalic acid anhydrous; Ethanedionic acid
Molecular Formula C2H2O4
Molecular Weight 90.03
CAS Registry Number 144-62-7
EINECS 205-634-3
Density 1.9
Melting point 189-191 ºC
Sublimation 101-157 ºC
Water solubility 90 g/L (20 ºC)
Physical properties
Oxalic Acid Anhydrous Organic Synthesis 99%min is the simplest binary carboxylic acid. Ocpalant acid is a transparent crystal without color. It usually contains two molecular crystal water. Can be dissolved in water or ethanol, insoluble in ether. Houxic acid is toxic. Because the molecules are directly connected by two carboxyl groups, its acid is stronger than other binary acids. HOOC -COOH+[O] → 2CO2+H2O, so it can be used as a reducing agent. Oxicic acid in the acid solution can be oxidized by potassium permanganate, and oxalic acid with crystal water is an easy -to -purify crystal, which is commonly used in capacity analysis.
5HOC-COOH+2KMNO4+3H2SO4 → K2SO4+2MNSO4+10CO2 ↑+8H2O
Specification:
Appearance | White Crystalline Powder |
Purity | 99.0% min |
Water | 1.0% max |
Sulphate group (SO4-2) | 0.10% max |
Chorides (CI-) | 0.002% max |
Heavity metal (Pb+2) | 0.001% max |
Ash | 0.08% max |
Iron content(Fe+3) | 0.0015% max |
Package: In 25KG kraft paper bag or 50KG Fiber Drum.
Application:
Oxalic Acid Anhydrous Organic Synthesis 99%min is used as a catalyst for synthetic organic chemistry and analysis reagents.
The corresponding content of the melting point without hydraphonic acid is roughly divided into:
1. The melting point is between 188 and 189.2 ° C; the content is: 98 ~ 99.2%
2. The melting point is between 189.2 ~ 189.5 ° C; the content is: 99.2 ~ 99.6%
3. The melting point is above 189.5 ° C; the content is: 99.6 ~ 99.8%