| Molecular Formula | C8H8O2 |
| Molar Mass | 136.15 |
| Density | 1.131g/mLat 25°C(lit.) |
| Melting Point | 3-6°C(lit.) |
| Boling Point | 213°C717mm Hg(lit.) |
| Flash Point | >230°F |
| JECFA Number | 727 |
| Water Solubility | slightly soluble |
| Solubility | 0.2g/l |
| Vapor Presure | ~0.2 mm Hg ( 20 °C) |
| Vapor Density | 4.7 (vs air) |
| Appearance | Liquid |
| Color | Clear yellow to brown |
| BRN | 386123 |
| pKa | 10.06(at 25℃) |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 0.98-11.8%(V) |
| Refractive Index | n20/D 1.558(lit.) |
| Physical and Chemical Properties | Density 1.131 melting point 4-6°C Boiling Point 213 ° C (717 mmHg) refractive index 1.558-1.56 flash point 112°C water-soluble easily soluble |
| Use | For the synthesis of pharmaceutical intermediates |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R36/38 - Irritating to eyes and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | AM8575000 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 29145000 |
| Hazard Note | Harmful/Irritant |
| Toxicity | LD50 orally in Rabbit: 2127 mg/kg LD50 dermal Rat > 2000 mg/kg |
| Downstream Products | Propafenone HCl |
| FEMA | 3548 | 2-HYDROXYACETOPHENONE |
| LogP | 1.92-1.97 at 25℃ |
| dissociation constant | 10.06-10.25 at 20-25 ℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): baked goods, snack food, 0.2; Meat products, soup, poultry products, flavorings, instant coffee and tea, household spices, 0.1. |
| Use | an intermediate of propafenone. O-hydroxyacetophenone is used in the synthesis of pharmaceutical intermediates, such as propafenone. perfume additives used in organic synthesis. |