Glycolic acid is a colorless and deliquescent crystal. Soluble in water, soluble in methanol, ethanol, ethyl acetate and other organic solvents, slightly soluble in ether, insoluble in hydrocarbons. It has the duality of alcohol and acid and is decomposed when heated to the boiling point. For organic synthesis, etc.
Item |
Index | |||
liquid | solid | |||
qualified | high-class | qualified | high-class | |
glycolic acid content % ≥ | 70 | 70 | 99 | 99.5 |
free acid % ≥ | 62 | 62 | ---- | ---- |
water-insoluble % ≤ | 0.01 | 0.01 | 0.01 | 0.01 |
chloride (CL)% ≤ | 1 | 0.001 | 0.001 | 0.0005 |
sulphate(SO4)% ≤ | 0.08 | 0.01 | 0.01 | 0.005 |
ignition residue % ≤ | ---- | 0.1 | 0.1 | 0.1 |
Fe% ≤ | 0.001 | 0.001 | 0.001 | 0.001 |
lead % ≤ | 0.001 | 0.001 | 0.001 | 0.001 |
Color ≤ | 20 | 20 | ---- | --- |
25 KG bag, 250 drum
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