p-Acetanisidide, 2-nitro-
4'-methoxy-2'-nitroacetanilide
CAS: 119-81-3
Molecular Formula: C9H10N2O4
p-Acetanisidide, 2-nitro- - Names and Identifiers
| Name | 4'-methoxy-2'-nitroacetanilide |
| Synonyms | 2-nitro-p-acetanisidid p-Acetaniside, 2'-nitro- p-Acetanisidide, 2-nitro- p-Acetanisidide, 2'-nitro- 4-Methoxy-2-nitroacetanilide N-ACETYL-2-NITRO-P-ANISIDINE 4'-methoxy-2'-nitroacetanilide Esomeprazole Sodium Impurity 32 N-ACETYL-4-METHOXY-2-NITROANILINE N-(4-methoxy-2-nitrophenyl)acetamide n-(4-methoxy-2-nitrophenyl)-acetamid |
| CAS | 119-81-3 |
| EINECS | 204-353-3 |
| InChI | InChI=1/C9H10N2O4/c1-6(12)10-8-4-3-7(15-2)5-9(8)11(13)14/h3-5H,1-2H3,(H,10,12) |
p-Acetanisidide, 2-nitro- - Physico-chemical Properties
| Molecular Formula | C9H10N2O4 |
| Molar Mass | 210.19 |
| Density | 1.3578 (rough estimate) |
| Melting Point | 117-118°C |
| Boling Point | 349.7°C (rough estimate) |
| Flash Point | 216.1°C |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Vapor Presure | 9.99E-08mmHg at 25°C |
| Appearance | Solid |
| Color | Yellow to Dark Yellow |
| BRN | 2809678 |
| pKa | 13.24±0.70(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5940 (estimate) |
| MDL | MFCD00017018 |
| Physical and Chemical Properties | Yellow needle-like crystals. Melting point 116-117 °c. Soluble in ethanol, ether, benzene. |
p-Acetanisidide, 2-nitro- - Risk and Safety
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S22 - Do not breathe dust. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | 2811 |
| RTECS | AE8310000 |
| TSCA | Yes |
| Hazard Class | 6.1 |
| Packing Group | III |
p-Acetanisidide, 2-nitro- - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | 4-methoxy-2-nitroacetanilide can be used as an intermediate in pharmaceutical synthesis. If 4-methoxy-2-nitroacetanilide is inhaled, please move the patient to fresh air; if the skin is in contact, remove the contaminated clothing, rinse the skin thoroughly with soapy water and clear water, and if you feel uncomfortable, seek medical attention; |
| use | used in the production of dyes and drugs. |
| production method | obtained by nitration of p-methoxyacetanilide. Chlorobenzene, p-methoxyacetanilide and a little sodium bisulfite are put into the nitrification reaction pot, the temperature is adjusted to 28 ℃, and 61% nitric acid is added within 4 hours. 3/5 is added at the beginning of 2h, 2/5 is added at the end of 2h, the reaction temperature is controlled at 25-30 ℃, and a little sodium bisulfite is added every hour during the feeding process. After addition, the reaction continued at 25-30 ℃ for 1.5h. After adding water and standing, the upper acid water is removed to obtain a chlorobenzene solution of 4-methoxy-2-nitroacetanilide, and the finished product is obtained after desolution. |
Last Update：2024-04-09 19:05:10
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