4-Methylcinnamic acid
4-Methylcinnamic acid
CAS: 1866-39-3
Molecular Formula: C10H10O2
4-Methylcinnamic acid - Names and Identifiers
| Name | 4-Methylcinnamic acid |
| Synonyms | AKOS BBS-00007857 4-Methylcinnamic acid 4-METHYLCINNAMIC ACID 3-P-TOLYL-ACRYLIC ACID Cinnamic acid, p-methyl- 3-(4-METHYLPHENYL)-2-PROPENOIC ACID (2E)-3-(4-methylphenyl)prop-2-enoate 2-Propenoic acid, 3-(4-methylphenyl)- (2E)-3-(4-Methylphenyl)-2-propenoic acid (2E)-3-(4-methylphenyl)prop-2-enoic acid 4-Methylcinnamic acid,predominantly trans |
| CAS | 1866-39-3 |
| EINECS | 217-479-9 |
| InChI | InChI=1/C10H10O2/c1-8-2-4-9(5-3-8)6-7-10(11)12/h2-7H,1H3,(H,11,12)/p-1/b7-6+ |
| InChIKey | RURHILYUWQEGOS-VOTSOKGWSA-N |
4-Methylcinnamic acid - Physico-chemical Properties
| Molecular Formula | C10H10O2 |
| Molar Mass | 162.19 |
| Density | 1.0281 (rough estimate) |
| Melting Point | 196-198°C(lit.) |
| Boling Point | 228.88°C (rough estimate) |
| Flash Point | 206.1°C |
| Vapor Presure | 0.000494mmHg at 25°C |
| Appearance | White crystal |
| Color | White |
| BRN | 1364327 |
| pKa | 4.56(at 25℃) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5766 (estimate) |
| MDL | MFCD00002697 |
| Physical and Chemical Properties | Appearance: white crystal melting point 198-201 ℃ |
4-Methylcinnamic acid - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. 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 |
| WGK Germany | 3 |
| HS Code | 29163900 |
| Hazard Class | IRRITANT |
4-Methylcinnamic acid - Reference
| Reference Show more | 1. [IF=6.475] Jinxin Li et al."Trapping of reactive carbonyl species by fiber-bound polyphenols from whole grains under simulated physiological conditions."Food Res Int. 2022 Jun;156:111142 |
4-Methylcinnamic acid - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| properties | p-methyl cinnamic acid is insoluble in water, soluble in organic solvents such as ethanol and ethyl acetate. There are two types: high and low. The high melting point type is needle-like crystal. Soluble in hot water, ethanol and benzene, insoluble in petroleum. Melting point 198~199 ℃. The low melting point type is flake or needle crystal. Easily soluble in ethanol, ether, carbon disulfide and chloroform. Boiling with dilute hydrochloric acid can turn into a high melting point type. |
| use | p-methyl cinnamic acid can be used for daily chemical essence and pharmaceutical intermediate. |
| preparation method | p-methyl cinnamic acid can be obtained by the reaction of 2, 4-dimethylbenzaldehyde and malonic acid |
| biological activity | 4-Methylcinnamic acid, a cinnamic acid analog, can be used as an intervention catalyst to overcome antifungal tolerance. 4-Methylcinnamic acid can increase the potency of cell wall disrupting agents. |
Last Update：2024-04-09 21:01:54
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