Benzene, 1,2,4-trimethoxy-
1,2,4-Trimethoxybenzene
CAS: 135-77-3
Molecular Formula: C9H12O3
Benzene, 1,2,4-trimethoxy- - Names and Identifiers
| Name | 1,2,4-Trimethoxybenzene |
| Synonyms | cerium(3+) phosphate 1,2,4-Trimethoxybenzol 1,2,4-trimethoxy-benzen 1,2,4-Trimethoxybenzene 1,2,4-TRIMETHOXYBENZENE 1.2.4-Trimethoxy benzone Benzene, 1,2,4-trimethoxy- 1,2,4-Benzenetriol trimethyl ether Hydroxyhydroquinone trimethyl ether HYDROXYHYDROQUINONE TRIMETHYL ETHER |
| CAS | 135-77-3 |
| EINECS | 205-219-7 |
| InChI | InChI=1/C9H12O3/c1-10-7-4-5-8(11-2)9(6-7)12-3/h4-6H,1-3H3 |
Benzene, 1,2,4-trimethoxy- - Physico-chemical Properties
| Molecular Formula | C9H12O3 |
| Molar Mass | 168.19 |
| Density | 1.126g/mLat 25°C(lit.) |
| Melting Point | 19 - 21℃ |
| Boling Point | 247°C(lit.) |
| Flash Point | >230°F |
| Water Solubility | Not miscible in water. |
| Solubility | Chloroform, Ethyl Acetate |
| Vapor Presure | 0.0413mmHg at 25°C |
| Appearance | Transparent liquid |
| Color | Clear Colourless |
| Merck | 14,1073 |
| BRN | 2047579 |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.533(lit.) |
| MDL | MFCD00008360 |
| Physical and Chemical Properties | Density 1.128 boiling point 247°C refractive index 1.532-1.534 |
| Use | Used as a pharmaceutical Intermediate |
Benzene, 1,2,4-trimethoxy- - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | DC2770000 |
| TSCA | Yes |
| HS Code | 29093090 |
| Hazard Note | Irritant |
Benzene, 1,2,4-trimethoxy- - Reference
| Reference Show more | 1. [IF=5.279] Xueli Pang et al."Comparison of Potent Odorants in Raw and Ripened Pu-Erh Tea Infusions Based on Odor Activity Value Calculation and Multivariate Analysis: Understanding the Role of Pile Fermentation."J Agr Food Chem. 2019;67(47):13139–13149 |
Benzene, 1,2,4-trimethoxy- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | intermediate. Used as a pharmaceutical intermediate |
| Production method | Vanillin is oxidized with hydrogen peroxide, then hydrolyzed, and methylated with dimethyl sulfate to prepare; or hydroquinone is oxidized with sodium dichromate and sulfuric acid to produce p-benzodiquinone, which is acetylated with acetic anhydride to obtain 1,2, 4-phlorotriacetate, and the latter is methylated with dimethyl sulfate to prepare the product. |
Last Update：2024-04-10 22:29:15
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