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Methyl salicylate
Chemical compound / From Wikipedia, the free encyclopedia
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Methyl salicylate (oil of wintergreen or wintergreen oil) is an organic compound with the formula C8H8O3. It is the methyl ester of salicylic acid. It is a colorless, viscous liquid with a sweet, fruity odor reminiscent of root beer (in which it is used as a flavoring),[4] but often associatively called "minty", as it is an ingredient in mint candies.[5] It is produced by many species of plants, particularly wintergreens. It is also produced synthetically, used as a fragrance and as a flavoring agent.
Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
Methyl 2-hydroxybenzoate | |||
Other names
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Identifiers | |||
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ECHA InfoCard | 100.003.925 ![]() | ||
EC Number |
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KEGG |
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Properties | |||
C8H8O3 | |||
Molar mass | 152.149 g/mol | ||
Appearance | Colorless liquid | ||
Odor | Sweet, rooty | ||
Density | 1.174 g/cm3 | ||
Melting point | −8.6 °C (16.5 °F; 264.5 K) | ||
Boiling point | 222 °C (432 °F; 495 K)[1] Decomposes at 340–350 °C[2] | ||
0.639 g/L (21 °C) 0.697 g/L (30 °C)[2] | |||
Solubility | Miscible in organic solvents | ||
Solubility in acetone | 10.1 g/g (30 °C)[2] | ||
Vapor pressure | 1 mmHg (54 °C)[1] | ||
Acidity (pKa) | 9.8[3] | ||
−8.630×10−5 cm3/mol | |||
Refractive index (nD) |
1.538 | ||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards |
Harmful | ||
GHS labelling: | |||
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Warning | |||
H302[1] | |||
P264, P270, P280, P301+P312, P302+P352, P305+P351+P338, P321, P330, P332+P313, P337+P313, P362, P501 | |||
NFPA 704 (fire diamond) | |||
Flash point | 96 °C (205 °F; 369 K)[1] | ||
452.7 °C (846.9 °F; 725.8 K)[1] | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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