Ethyl 2-hydroxyethyl sulfide Chemical Properties Melting point -100°C Boiling point 180-184 °C density 1.02 refractive index 1.4859-1.4879 FEMA 4562 | ETHYL 2-HYDROXYETHYL SULFIDE Fp >110°C storage temp. Store below +30°C. form Liquid Specific Gravity 1.020 color Clear colorless to yellow