p-Cumenol
4-Isopropylphenol
CAS: 99-89-8
Molecular Formula: C9H12O
p-Cumenol - Names and Identifiers
| Name | 4-Isopropylphenol |
| Synonyms | p-Cumenol Australol Prodox 133 p-Hydroxycumene p-isopropyl-pheno p-Isopropylphenol 4-Isopropylphenol Phenol,p-isopropyl- Phenol, p-isopropyl- 4-(1-methylethyl)-Phenol phenol,4-(1-methylethyl)- |
| CAS | 99-89-8 |
| EINECS | 202-798-8 |
| InChI | InChI=1/C9H12O/c1-7(2)8-3-5-9(10)6-4-8/h3-7,10H,1-2H3 |
p-Cumenol - Physico-chemical Properties
| Molecular Formula | C9H12O |
| Molar Mass | 136.19 |
| Density | 0.9900 |
| Melting Point | 59-61 °C (lit.) |
| Boling Point | 212-213 °C (lit.) |
| Flash Point | 108°C |
| Water Solubility | Slightly soluble in water, soluble in ethanol and ethyl ether. |
| Vapor Density | >1 (vs air) |
| Appearance | Crystalline Mass or Crystals |
| Color | White to beige-brown |
| BRN | 1363564 |
| pKa | 10.19±0.13(Predicted) |
| Storage Condition | Store at +2°C to +8°C. |
| Refractive Index | 1.5228 |
p-Cumenol - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R22 - Harmful if swallowed R34 - Causes burns R43 - May cause sensitization by skin contact R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2430 8/PG 3 |
| WGK Germany | 2 |
| RTECS | SL5950000 |
| TSCA | Yes |
| HS Code | 29071900 |
| Hazard Note | Corrosive/Harmful |
| Hazard Class | 8 |
| Packing Group | III |
p-Cumenol - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | 4-isopropylphenol is an isopropylphenol compound. Phenylethylphenol compounds and isopropylphenol compounds are prepared by alkylation of phenol compounds and styrene compounds with Lewis acid as catalyst. As a fine chemical raw material, it has a wide range of applications and a large market demand. |
| preparation | 1) under the protection of nitrogen, 188g(2mol) of phenol, 0.94g of solid acid H2SO4-SiO2 and ML of toluene were added to the reactor , heated to 85 ℃, maintained at 85 ℃, and 118g(1mol) of α-methylstyrene was added dropwise to the reactor, The dropping acceleration of α-methylstyrene was controlled so that the dropping was completed within 1 hour, and then the reaction was continued at 85 ° C. For 20 to 40 minutes to obtain a reaction solution. 2) the reaction solution is filtered to remove the solid acid H2SO4-SiO2, and 0.5% of sodium bicarbonate aqueous solution is added to the filtrate to extract , and the organic phase is taken, then extract twice with deionized water (2 × 200ml), take organic phase, spin dry toluene, add 450 ml mixture of n-hexane and toluene (1:1v/v), recrystallize, 169.6g of white crystals were precipitated, and the yield was 80%. |
| category | corrosive article |
| toxicity grade | poisoning |
| Acute toxicity | oral-mouse LD50: 875 mg/kg |
| explosive hazard characteristics | corrosive to skin and cornea |
| flammability hazard characteristics | combustible; Thermal decomposition stimulus gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant. |
| fire extinguishing agent | Sand, dry powder, foam, carbon dioxide |
Last Update：2024-04-09 02:00:11
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