| GALLIC ACID | |
| Specification | For : Gallic Acid |
| Test | Specification |
| DESCRIPTION | White to off white crystalline powder. |
| SOLUBILITY | One gm dissolves in 87ml water, 3ml boiling water, 6ml alcohol, 100 ml ether, 10ml glycerol, 5 ml acetone, practically insoluble in benzene chloroform, pet. ether. |
| MELTING POINT | Limit : 258-265°C |
| ARSENIC | Limit : NMT 4 PPM |
| RELATED SUBSTANCE(TLC) | Complies.` |
| LOSS ON DRYING | Limit : Max. 10% w/w (for Monohydrate) & Max. 1% w/w (for anhydrous) |
| RESIDUE ON IGNITION | Limit : Max. 0.1% |
| HEAVY METALS | Limit : NMT 20 PPM |
| PURITY BY ACID TITRATION | Limit : Min. 99.5% |
| POTASSIUM HYDROXIDE POWDER | |
| Specification | For : Potassium Hydroxide Powder |
| Test | Specification |
| Caustic Potash as KOH | Limit :Min. 87% |
| Potassium Carbonates (AS K2CO3) | Limit : Max. 1% |
| Potassium Chlorides (AS KCL) | Limit : Max. 300 PPM |
| Iron as Fe+++ | Limit : Max. 20 PPM |
| Enanthic Anhydride | |
| Specification | For : Heptanoic Anhydride |
| CAS NO | 626 - 27 - 7 |
| EXTENDED FORMULA | [CH3(CH2)5CO]2O |
| EMPIRICAL FORMULA | C14H26O3 |
| FORMULA WEIGHT | 242.36 |
| Test | Specification |
| Description | Very faintly yellow clear liquid |
| Solubility | Colourless, Clear |
| Solubility (Method) | 1 G in 10 ML ETOH |
| IODINE VALUE | Limit: Max. 1 % |
| Free Acidity As (Heptanoic Acid) | Limit : Max.1.5 % |
| Density D 25 | 0.905 |
| ASSAY | Limit: Min.98% |
