Name | 3-Mercapto-2-butanone |
Synonyms | 3-sulfanylbutan-2-one 3-Mercapto-2-butanone 3-Mercapto-2-Butan-One (3R)-3-mercapto-2-butanone 3-Mercapto-2-butanone solution 3-Mercapto-2-Butanone(FEMA No.3298) |
CAS | 40789-98-8 |
EINECS | 255-082-2 |
InChI | InChI=1/C4H8OS/c1-3(5)4(2)6/h4,6H,1-2H3 |
Molecular Formula | C4H8OS |
Molar Mass | 104.17 |
Density | 1.035 g/mL at 25 °C (lit.) |
Boling Point | 48-49 °C/15 mmHg (lit.) |
Flash Point | 117°F |
JECFA Number | 558 |
Vapor Presure | 6.25mmHg at 25°C |
Appearance | clear liquid |
Specific Gravity | 1.015 |
Color | Colorless to Light yellow |
pKa | 8.38±0.10(Predicted) |
Storage Condition | Refrigerator |
Sensitive | Light Sensitive |
Refractive Index | n20/D 1.4352 |
Physical and Chemical Properties | Colorless or light yellow liquid, exhibiting the aroma of onion and onion. Short-term storage is cloudy, and water droplets can be formed within 5h at room temperature. Melting point 50 C (2400Pa). Slightly soluble in water, soluble in ethanol, ether, pyridine and alkali. |
Use | Used as food flavor |
Hazard Symbols | Xi - Irritant |
Risk Codes | R10 - Flammable R36/37/38 - Irritating to eyes, respiratory system 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. |
UN IDs | UN 1993 3/PG 2 |
WGK Germany | 3 |
RTECS | EL9050000 |
TSCA | Yes |
HS Code | 29309090 |
Hazard Class | 3 |
Packing Group | III |
Raw Materials | sodium hydrosulfide |