M-DIMETHYLAMINOBENZOIC ACID
3-Dimethylaminobenzoic acid
CAS: 99-64-9
Molecular Formula: C9H11NO2
M-DIMETHYLAMINOBENZOIC ACID - Names and Identifiers
| Name | 3-Dimethylaminobenzoic acid |
| Synonyms | 3-Dimethylaminobenzoic 3-(dimethylamino)benzoate M-dimetylaminobenzoic acid 3-Diaminomethylbenzoic acid M-DIMETHYLAMINOBENZOIC ACID 3-Dimethylaminobenzoic acid 3-(dimethylamino)-benzoicaci 3-(N,N-Dimethylamino)benzoic 3-DIMETHYLAMINO-BENZOESAEURE 3-(dimethylamino)benzoic acid Benzoicacid,3-(dimethylamino)- META DIMETHYLAMINOBENZOIC ACID M-(N,N-DIMETHYLAMINO) BENZOIC ACID 3-DIMETHYLAMINOBENZOIC ACID, CRYSTALLIZE D |
| CAS | 99-64-9 |
| EINECS | 202-775-2 |
| InChI | InChI=1/C9H11NO2/c1-10(2)8-5-3-4-7(6-8)9(11)12/h3-6H,1-2H3,(H,11,12)/p-1 |
M-DIMETHYLAMINOBENZOIC ACID - Physico-chemical Properties
| Molecular Formula | C9H11NO2 |
| Molar Mass | 165.19 |
| Density | 1.1603 (rough estimate) |
| Melting Point | 148-150°C(lit.) |
| Boling Point | 293.03°C (rough estimate) |
| Flash Point | 149.6°C |
| Water Solubility | Soluble in methanol (50 mg/ml). Insoluble in water. |
| Vapor Presure | 0.000105mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | Light yellow to yellow-beige |
| BRN | 2208586 |
| pKa | 3.36±0.10(Predicted) |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.5200 (estimate) |
| MDL | MFCD00002497 |
| Physical and Chemical Properties | Melting Point: 148-150°C(lit.) BRN 2208586 |
| Use | Is an important intermediate of dyes, pigments, pesticides, pharmaceuticals, photosensitive materials and organic reagents |
M-DIMETHYLAMINOBENZOIC ACID - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29224995 |
M-DIMETHYLAMINOBENZOIC ACID - Nature
Open Data Verified Data
White needle-like crystal (in water) or pale yellow crystalline powder. Melting Point 151 °c. Soluble in water, ether, ethanol, etc.
Last Update：2024-01-02 23:10:35
M-DIMETHYLAMINOBENZOIC ACID - Preparation Method
Open Data Verified Data
- M-aminobenzoic acid method was prepared by methylation under high temperature and high pressure. The M-aminobenzoic acid, methanol and Pd/C catalyst were added to the reactor, and after the air in the nitrogen displacer was used, the hydrogen gas was passed through, and the hydrogen gas was 0. Under the pressure of 4MPa, heating and stirring, heating to 80~90 deg C, slowly add formaldehyde accounted for 90% of the total amount of formaldehyde, after the hydrogen absorption amount reaches the theoretical value, then add the remaining formaldehyde. After the reaction, the temperature is cooled to 70 ° C., filtered, and the catalyst and reactor are washed with methanol. The washing liquid is combined with the filtrate, concentrated and allowed to stand, and crystals are precipitated.
- M-nitrobenzoic acid was prepared by reduction, methylation and saponification.
- M-nitrophthalic acid method was prepared by reduction, methylation and decarboxylation.
Last Update：2022-01-01 10:54:48
M-DIMETHYLAMINOBENZOIC ACID - Application
Open Data Verified Data
synthetic dyes, pigments, pigments, reagents, pesticides, pharmaceutical intermediates, but also photosensitive materials, heat-sensitive and pressure-sensitive materials, pigment additives, can also be used as biochemical reagents.
Last Update：2025-08-19 16:24:40
M-DIMETHYLAMINOBENZOIC ACID - Safety
Open Data Verified Data
The carton was lined with plastic bag, 25kg net weight per barrel.
Last Update：2022-01-01 10:54:48
M-DIMETHYLAMINOBENZOIC ACID - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | is a dye, pigment, pesticide, medicine, important intermediates of photosensitive materials and organic reagents |
| production method | 1. P-aminobenzoic acid was prepared by reducing P-nitrobenzoic acid with salt, hydrochloric acid and iron powder. The reaction solution was decolorized by activated carbon and filtered. The hydrogenation reaction was carried out with P-nitrotoluene as raw material in sodium hydroxide solution under the catalysis of Raney nickel. The reaction solution was filtered and dried. |
Last Update：2024-04-09 21:04:16
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