83-40-9
| Name | 3-Methylsalicylic acid |
| CAS | 83-40-9 |
| EINECS(EC#) | 209-447-8 |
| Molecular Formula | C8H8O3 |
| MDL Number | MFCD00002431 |
| Molecular Weight | 152.15 |
| MOL File | 83-40-9.mol |
Chemical Properties
| Appearance | White To Slightly Reddish Crystalline Solid |
| Melting point | 163-165 °C (lit.) |
| Boiling point | 234.6°C (rough estimate) |
| density | 1.2143 (rough estimate) |
| vapor pressure | 0.065-0.307Pa at 25℃ |
| refractive index | 1.4945 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | methanol: soluble5%, clear to slightly hazy (colorlessto faint brown) |
| form | Fine Powder |
| pka | pK1:2.99 (25°C) |
| color | Almost white |
| PH | 2.8 (1.5g/l, H2O, 20℃) |
| Water Solubility | 1.5 g/L (20 ºC) |
| Usage | Toxicity is similar to salicylic acid. Used in manufacturing of dyes |
| Detection Methods | T,NMR |
| Merck | 14,2581 |
| BRN | 2086811 |
| InChI | 1S/C8H8O3/c1-5-3-2-4-6(7(5)9)8(10)11/h2-4,9H,1H3,(H,10,11) |
| InChIKey | WHSXTWFYRGOBGO-UHFFFAOYSA-N |
Safety Data
| Symbol(GHS) |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302-H315-H318-H335 |
| Precautionary statements | P261-P264-P280-P280-P304+P340+P312-P305+P351+P338+P310 |
| Hazard Codes | Xn |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 2811 |
| WGK Germany | 3 |
| RTECS | BZ4385000 |
| TSCA | Yes |
| REACH Registrations | Active |
| HS Code | 29182990 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral Eye Dam. 1 Skin Irrit. 2 STOT SE 3 |
| Toxicity |