Molecular Formula | C11H16O |
Molar Mass | 164.24 |
Density | 0.966 g/mL at 25 °C(lit.) |
Melting Point | 31-33 °C(lit.) |
Boling Point | 144 °C85 mm Hg(lit.) |
Flash Point | >230 °F |
pKa | 15.17±0.29(Predicted) |
Storage Condition | 2-8℃ |
Refractive Index | n20/D 1.509(lit.) |
MDL | MFCD00004472 |
Physical and Chemical Properties | Chemical properties 1. Color: colorless or yellowish liquid. 2. Aroma: floral, green and grass. |
Use | Use of dimethyl phenethyl alcohol (referred to as DPC) is a strong natural flower fragrance of synthetic spices, emitting clove and rose fragrance, smell soft and attractive. Can be used as a variety of flowers and novel flavor of the main raw materials. |
Hazard Symbols | Xi - Irritant![]() |
Risk Codes | 41 - Risk of serious damage to eyes |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
WGK Germany | 2 |
RTECS | EL5785000 |
HS Code | 29062990 |
Toxicity | LD50 orl-rat: 2200 mg/kg FCTXAV 12,517,74 |
Raw Materials | Isobutylene oxide |
Downstream Products | 1-Naphthalenemethanol ISOAMYLBENZENE |
FEMA | 3629 | 2-METHYL-4-PHENYL-2-BUTANOL |
Specific gravity | 0.966 |
JECFA Number | 1477 |
EPA chemical information | .alpha.,.alpha.-Dimethylbenzenepropanol (103-05-9) |
Preparation
synthesized from 3-phenylpropionate ethyl acetate, 500mg(35mmol) of magnesium chips and 25mL of anhydrous ether are added into a three-mouth flask equipped with reflux condenser tube and drip funnel, and 5.89(40mmol) of methyl iodide and 10mL of anhydrous ether are added dropwise to prepare Grignard reagent. A mixture of 1.89(10mmol)3-phenylpropionate ethyl ester and 5mL ether was added dropwise under ice bath cooling. After adding, the water bath reflows lh. Then cool with ice salt bath, pour the reaction mixture into a mixture of 50g ice and lmL concentrated sulfuric acid under stirring. Extraction with ether, the ether layer is separated, and the water layer is extracted with 2x20mL ether. The extract is combined and washed with sodium bicarbonate aqueous solution and saturated salt water in turn. Dry with anhydrous magnesium sulfate and evaporate the solvent. Using silica gel column chromatography, ethyl ether-petroleum ether (3:7) eluted to obtain 2.2g of pale yellow oily liquid dimethylphenylethyl alcohol.
category
toxic substances
toxicity classification
Poisoning
acute toxicity
oral-rat LD50: 2200 mg/kg; Skin-rabbit LD50: 3500 mg/kg
flammability hazard characteristics
Flammable; combustion produces stimulating smoke
storage and transportation features
Ventilated low temperature drying
fire extinguishing agent
Dry powder, foam, sand, carbon dioxide, mist water