(2,5-Dimethoxyphenyl)
(2,5-Dimethoxyphenyl)acetic acid
CAS: 1758-25-4
Molecular Formula: C10H12O4
(2,5-Dimethoxyphenyl) - Names and Identifiers
| Name | (2,5-Dimethoxyphenyl)acetic acid |
| Synonyms | NSC 74696 AI3-52356 AKOS BBS-00000244 RARECHEM AL BO 0334 (2,5-Dimethoxyphenyl) (2,5-dimethoxyphenyl)acetate 2,5-DIMETHOXY-PHENETHYL ACID 2,5-Dimethoxyphenylacetic acid 2,5-DIMETHOXYPHENYLACETIC ACID 2,5-dimethoxy-benzeneaceticaci (2,5-Dimethoxyphenyl)acetic acid Benzeneacetic acid, 2,5-dimethoxy- Acetic acid, (2,5-dimethoxyphenyl)- |
| CAS | 1758-25-4 |
| EINECS | 217-151-5 |
| InChI | InChI=1/C10H12O4/c1-13-8-3-4-9(14-2)7(5-8)6-10(11)12/h3-5H,6H2,1-2H3,(H,11,12)/p-1 |
(2,5-Dimethoxyphenyl) - Physico-chemical Properties
| Molecular Formula | C10H12O4 |
| Molar Mass | 196.2 |
| Density | 1.2166 (rough estimate) |
| Melting Point | 123-125°C(lit.) |
| Boling Point | 293.08°C (rough estimate) |
| Flash Point | 134.8°C |
| Vapor Presure | 3.15E-05mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Yellow to Green |
| pKa | 4.03±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5430 (estimate) |
| MDL | MFCD00004322 |
| Physical and Chemical Properties | White needle-like crystals. Melting point 124.5 °c. Soluble in hot water, ethanol, ether and chloroform, difficult to dissolve in water. |
(2,5-Dimethoxyphenyl) - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed R36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29189900 |
| Hazard Class | IRRITANT |
(2,5-Dimethoxyphenyl) - 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 | for organic synthesis. |
| production method | is prepared from p-dimethoxybenzene through the following steps. Mix carbon disulfide, chloroacetyl and dimethoxybenzene, add to the mixture of aluminum trichloride and carbon disulfide under stirring, and keep the reaction temperature at about 5 ℃. Put the reaction mixture into ice water, extract with carbon disulfide, recover the carbon disulfide and distill under reduced pressure to obtain 2, 5-dimethoxyacetophenone. It is refluxed with ethanol and sodium hydroxide solution for 45 hours, acidified with hydrochloric acid to pH = 2, and crystallized with water to obtain the finished product. |
Last Update：2024-04-09 20:52:54
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