Name | Ethyl 2-hydroxyethyl sulfide |
Synonyms | Ethylthioethanol 2-(Ethylthio)ethanol 2-ethylsulfanylethanol 2-Hydroxyethyl ethyl sulfide Ethyl 2-hydroxyethyl sulfide Ethyl 2-hydroxyethyl sulphide |
CAS | 110-77-0 |
EINECS | 203-802-0 |
InChI | InChI=1/C4H10OS/c1-2-6-4-3-5/h5H,2-4H2,1H3 |
InChIKey | LNRIEBFNWGMXKP-UHFFFAOYSA-N |
Molecular Formula | C4H10OS |
Molar Mass | 106.187 |
Density | 1.001g/cm3 |
Melting Point | -100°C |
Boling Point | 184.5°C at 760 mmHg |
Flash Point | 88.8°C |
Vapor Presure | 0.208mmHg at 25°C |
Appearance | Form Liquid, color Clear colorless to yellow |
pKa | 14.49±0.10(Predicted) |
Refractive Index | 1.479 |
Physical and Chemical Properties | Chemical properties colorless liquid, slightly smelly. Boiling point 184 ℃,99 ℃(3.73kPa). Relative density 1.012(20/4 ℃). Easily soluble in water and organic solvents, the solubility in water is 26%, and the solubility in saturated salt water is 1.9%. It is gradually oxidized to sulfone in the air and can polymerize at high temperature. It is easy to hydrolyze in alkaline solution. |
Use | The product is the intermediate of pesticide phosphorus and methyl phosphorus. It is also an intermediate of some fine chemicals. |
Hazard Symbols | Xi - Irritant |
Risk Codes | R36/38 - Irritating to eyes and skin. |
Safety Description | S24/25 - Avoid contact with skin and eyes. |
UN IDs | 1760 |
WGK Germany | WGK 2 water endanger |
RTECS | KL1225000 |
TSCA | Yes |
HS Code | 29309099 |
Hazard Class | 8 |
Packing Group | III |
Toxicity | LD50 orally in Rabbit: 5000 mg/kg |
colorless liquid, microstrip odor. The relative density was 1. 012. Boiling point 184 °c. Soluble in water and organic solvents. Water solubility of 26%, saturated salt water solubility of 1.9%.
FEMA | 4562 | ETHYL 2-HYDROXYETHYL SULFIDE |
Specific gravity | 1.020 |
JECFA Number | 1912 |
Merck | 14,3857 |
BRN | 1731373 |
EPA chemical information | Ethanol, 2-(ethylthio)- (110-77-0) |
production method
1. ethylene oxide method uses ethylene oxide as raw material and reacts with ethanethiol to prepare. 2. Using chloroethanol as raw material, it is prepared by reacting with ethanethiol.
category
Flammable liquid
toxicity classification
Poisoning
acute toxicity
oral-rat LD50: 2320 mg/kg
stimulus data
skin-rabbit 2 mg/24 hours severe; eyes-rabbit 0.75 mg/24 hours severe
flammability hazard characteristics
Open flame is combustible; the fire field emits sulfur oxide and pungent smoke
storage and transportation features
The warehouse is ventilated and dry at low temperature; it is stored and transported separately from food and oxidants
fire extinguishing agent
Foam, dry powder, carbon dioxide, mist water