Name | Trimethylhydroquinone |
Synonyms | tmhq -Cumoquinol psi-Cumohydroquinone trimethyl-hydroquinon Trimethylhydroquinone Pseudocumohydroquinone Hydroquinone, trimethyl- 3,6-dihydroxypseudocumol 3,6-Dihydroxypseudoquinone 2,3,5-Trimethylhydroquinone 2,3,5-trimethylbenzene-1,4-diol 4-Benzenediol,2,3,5-trimethyl-1 1,4-Dihydroxy-2,3,5-trimethylbenzene |
CAS | 700-13-0 |
EINECS | 211-838-3 |
InChI | InChI=1/C9H12O2/c1-5-4-8(10)6(2)7(3)9(5)11/h4,10-11H,1-3H3 |
InChIKey | AUFZRCJENRSRLY-UHFFFAOYSA-N |
Molecular Formula | C9H12O2 |
Molar Mass | 152.19 |
Density | 0.9595 (rough estimate) |
Melting Point | 169-172 °C (lit.) |
Boling Point | 295 °C (759.8513 mmHg) |
Flash Point | 191 °C |
Water Solubility | 2 g/L (20 ºC) |
Solubility | methanol: 0.1g/mL, clear |
Vapor Presure | 0-0.017Pa at 20-50℃ |
Appearance | White-like, brown or orange powder |
Color | Beige |
BRN | 1909183 |
pKa | 11.28±0.28(Predicted) |
Storage Condition | Inert atmosphere,Room Temperature |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
Refractive Index | 1.4464 (estimate) |
MDL | MFCD00002346 |
Physical and Chemical Properties | Melting point 169-174°C boiling point 295°C (759.8513 mmHg) flash point 191°C water-soluble 2g/L (20°C) |
Use | For the synthesis of vitamin E |
Risk Codes | R20 - Harmful by inhalation R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes R43 - May cause sensitization by skin contact R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S24 - Avoid contact with skin. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 3077 9/PG 3 |
WGK Germany | 2 |
RTECS | MX7820000 |
FLUKA BRAND F CODES | 9-23 |
TSCA | Yes |
HS Code | 29072990 |
Hazard Class | 9 |
Packing Group | III |