| Physical Description |
Methyl salicylate appears as colorless yellowish or reddish liquid with odor of wintergreen. (USCG, 1999) |
| Color/Form |
COLORLESS, YELLOWISH OR REDDISH, OILY LIQ |
| Odor |
LIQUID HAVING THE CHARACTERISTIC ODOR OF WINTERGREEN |
| Taste |
LIQUID HAVING THE CHARACTERISTIC TASTE OF WINTERGREEN |
| Boiling Point |
432 °F at 760 mmHg (NTP, 1992) |
| Melting Point |
16.5 °F (NTP, 1992) |
| Flash Point |
205 °F (NTP, 1992) |
| Solubility |
less than 1 mg/mL at 66 °F (NTP, 1992) |
| Density |
1.174 (USCG, 1999) - Denser than water; will sink |
| Vapor Density |
5.24 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure |
0.0975 mmHg at 68 °F ; 1 mmHg at 129 °F (NTP, 1992) |
| LogP |
2.5 |
| Stability/Shelf Life |
SENSITIVE TO LIGHT AND HEAT |
| Autoignition Temperature |
847 °F (USCG, 1999) |
| Heat of Combustion |
-902.2 kcal/mole @ 25 °C |
| Heat of Vaporization |
11.155 kcal/mol @ the boiling point |
| Surface Tension |
44.2 dynes/cm @ -19.8 °C; 19.8 dynes/cm @ 212.2 °C |
| Refractive Index |
INDEX OF REFRACTION: 1.5369 AT 20 °C/D; MAX ABSORPTION: 306 NM (LOG E= 3.64); SADTLER REFERENCE NUMBER: 2238 (IR, PRISM); MAX ABSORPTION (ALC): 238 NM (LOG E= 3.97) |
| Dissociation Constants |
pKa = 9.8 |
| Kovats Retention Index |
1176 1164 1166 1162 1177.4 1160 1175 1175 1183 1177 1180 1217 1236 1176 1167 1162 1163.1 1180 1181 1179 1154.15 1157.8 1161.55 1165.41 1169.35 1173.3 1177.24 1181.56 1185.9 1190.36 1195.52 1180 1166 1176 1169 1163 1176.5 1175 1185 1177 1181 1180 1181 1173 1177 1171 1178 1181 1193 1168 1192 1163 1169 1192 1168 1170 1181 1160 1178.7 1164 1172 1174 1171 1174 1163.2 1172 1166 1166 1152 1167 1168 1181 1166 1174 1212 1161 1166 1166 1181 1189 1165 1166 1163 1164 1193 1180 1180 |
| Other Experimental Properties |
WINTERGREEN ESSENTIAL OIL: ESTER VALUE: 354-356; OPTICAL ROTATION: -0 DEG 25' TO -1 DEG 30' |
| Chemical Classes |
Other Uses -> Sunscreens |
