PRODUCT Properties
| Melting point: | 208-211 °C (dec.) (lit.) |
| Boiling point: | 237.46°C (rough estimate) |
| Density | 1.3725 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| FEMA | 3798 | 2,4-DIHYDROXYBENZOIC ACID |
| refractive index | 1.6710 (estimate) |
| Flash point: | 200 °C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | 8g/l |
| form | Crystalline Powder |
| pka | 3.11, 8.55, 14.0(at 25℃) |
| color | Cream to slightly beige or pink |
| Odor | at 100.00?%. mild phenolic |
| Water Solubility | 8 g/L (20 ºC) |
| JECFA Number | 908 |
| Merck | 14,8157 |
| BRN | 1946213 |
| InChIKey | UIAFKZKHHVMJGS-UHFFFAOYSA-N |
| LogP | 0.98 at 23℃ and pH3.5 |
Description and Uses
2,4-Dihydroxybenzoic acid is used in Intermediates, Plasticizers, Plastic and Rubber Products, a organic building block.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-37/39 |
| WGK Germany | 1 |
| RTECS | VH3708050 |
| TSCA | Yes |
| HS Code | 29182990 |
