RARECHEM AL BO 1264
4-(methylthio)benzoic acid
CAS: 13205-48-6
Molecular Formula: C8H8O2S
RARECHEM AL BO 1264 - Names and Identifiers
| Name | 4-(methylthio)benzoic acid |
| Synonyms | MTBA RARECHEM AL BO 1264 4-(methylthio)benzoic acid 4-(METHYLTHIO)BENZOIC ACID 4-(methylsulfanyl)benzoate P-(METHYLTHIO)BENZOIC ACID 4-(METHYTHIO)-BENZOIC ACID p-Methylmercapto Benzoic Acid 4-(METHYLMERCAPTO)BENZOIC ACID p-Carboxyphenyl methyl sulfide 4-(methylsulfanyl)benzoic acid |
| CAS | 13205-48-6 |
| EINECS | 236-171-5 |
| InChI | InChI=1/C8H8O2S/c1-11-7-4-2-6(3-5-7)8(9)10/h2-5H,1H3,(H,9,10)/p-1 |
RARECHEM AL BO 1264 - Physico-chemical Properties
| Molecular Formula | C8H8O2S |
| Molar Mass | 168.21 |
| Density | 1.28±0.1 g/cm3(Predicted) |
| Melting Point | 192-196°C(lit.) |
| Boling Point | 319.0±25.0 °C(Predicted) |
| Flash Point | 146.7°C |
| Vapor Presure | 0.000145mmHg at 25°C |
| Appearance | Bright yellow to light brown crystals |
| Color | White to Light yellow |
| BRN | 2082809 |
| pKa | 4.28±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| MDL | MFCD00002555 |
RARECHEM AL BO 1264 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| HS Code | 29309090 |
RARECHEM AL BO 1264 - Reference Information
| application | benzoic acid compound 4-methylthio benzoic acid is widely used in food, medicine, dyes and other chemical fields, and it is also an important organic synthesis intermediate. |
| preparation | preparation of 4-methylthiobenzoic acid: in a 10mL round bottom flask, 0.77g of 4-methylthiobenzyl alcohol and 2g of diethylene glycol dimethyl ether are sequentially added, and the obtained mixture is exposed to ultrasonic radiation at 40KHz/30W/70 ℃ for 30 minutes in an ultrasonic reaction device. Diethylene glycol dimethyl ether was removed under reduced pressure and recrystallized to obtain 0.79g of 4-methylthiobenzoic acid with 95% yield. Directly using 4-methyl thiobenzyl methanol raw material as the starting material, cheap green, safe air as the oxidant, cheap diethylene glycol dimethyl ether as the promoter, solvent-free conditions to synthesize the benzoic acid compound environment-friendly method. |
Last Update：2024-04-09 02:00:06
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