2,4-Dihydroxybenzoic acid CAS 89-86-1
CAS : 89-86-1
Formula : C7H6O4
Mol. wt. : 154.12
EINECS : 201-946-9
| CAS | 89-86-1 |
| Molecular formula | C7H6O4 |
| Molecular weight | 154.12 |
| EIENCS | 201-946-9 |
| Form | Crystalline powder |
| Melting point | 208-211 °C (dec.) (lit.) |
| boling point | 237.46°C (rough estimate) |
| Density | 1.3725 (rough estimate) |
| Solubility | 8 g/L (20 ºC) |
| PKA | |
| Color | Cream to light beige or pink |
| Storage temp | Inert atmosphere,Room Temperature |
2, 4-dihydroxybenzoic acid is relatively stable under normal temperature and pressure, odorless or with a slight phenolic odor, and has a slightly bitter taste. In addition, it has antioxidant effects and is usually used as an antioxidant in food additives. Moreover, it is an important pharmaceutical intermediate and can be used to synthesize 2, 4-dihydroxybenzoic acid.White needle-like crystals. When crystallized from water, it contains crystalline water and becomes anhydrous at 100℃. Melting point: 218-219℃ (melting point: 213℃ when heated rapidly). Soluble in hot water, ethanol and ether. Boiling in water, acid or salt solutions removes carbon dioxide. It turns red when reacting with ferric chloride.
This product combines the chemical properties of resorcinol and salicylic acid and is used for colorimetric determination of iron, titanium and other elements in chemical reagents. When used in organic synthesis, it is mainly used as an intermediate for dyes and drugs. 2, 4-dihydroxybenzoic acid is a major raw material in the production of acidic medium rose 3BM, with 157kg of this product consumed per ton of dye (at 100%).
It is used as a dye intermediate, in medicine and as a reagent
It is used as an intermediate for dyes, pharmaceuticals and pesticides
Drop-by-drop analysis reagent for iron. Dyes and drug intermediates. This product combines the chemical properties of resorcinol and salicylic acid and is used for colorimetric determination of iron, titanium and other elements in chemical reagents. When used in organic synthesis, it is mainly used as an intermediate for dyes and drugs.
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