Acetamide, N- (4-methylphenyl)-
4'-methylacetanilide
CAS: 103-89-9
Molecular Formula: C9H11NO
Acetamide, N- (4-methylphenyl)- - Names and Identifiers
| Name | 4'-methylacetanilide |
| Synonyms | P-TOLYLACETAMIDE P-ACETOTOLUIDINE P-ACETOTOLUIDIDE P-METHYLACETANILDE N-P-TOLYLACETAMIDE 4'-methylacetanilide N-ACETYL-P-TOLUIDINE 4-(N-ACETYL)AMINOTOLUENE N-(4-METHYLPHENYL)ACETAMIDE N-(4-Methylphenyl)acetamide Acetamide, N-(4-methylphenyl)- Acetamide, N- (4-methylphenyl)- |
| CAS | 103-89-9 |
| EINECS | 203-155-4 |
| InChI | InChI=1/C9H11NO/c1-7-3-5-9(6-4-7)10-8(2)11/h3-6H,1-2H3,(H,10,11) |
| InChIKey | YICAMJWHIUMFDI-UHFFFAOYSA-N |
Acetamide, N- (4-methylphenyl)- - Physico-chemical Properties
| Molecular Formula | C9H11NO |
| Molar Mass | 149.19 |
| Density | 1.21 |
| Melting Point | 149-151°C(lit.) |
| Boling Point | 307°C(lit.) |
| Flash Point | 168 °C |
| Water Solubility | 1 g/L (25 ºC) |
| Solubility | 1.2g/l (experimental) |
| Vapor Presure | 0.001mmHg at 25°C |
| Vapor Density | 5.14 |
| Appearance | Colorless crystal |
| Color | Beige to light brown |
| Merck | 14,74 |
| BRN | 607036 |
| pKa | 15.13±0.70(Predicted) |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.5279 (estimate) |
| MDL | MFCD00008677 |
| Physical and Chemical Properties | Colorless needle-like crystals. Melting point 153 ℃, boiling point 307 ℃ (sublimation), flash point 168 ℃, the relative density of 1.212. Slightly soluble in water, soluble in alcohol, ether, ethyl acetate, glacial acetic acid and hot water. |
Acetamide, N- (4-methylphenyl)- - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - 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. |
| WGK Germany | 3 |
| RTECS | AN2930000 |
| TSCA | Yes |
| HS Code | 29242995 |
| Toxicity | LD50 orl-rat: 2640 mg/kg MarJV# 29MAR77 |
Acetamide, N- (4-methylphenyl)- - 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 | organic synthesis intermediate. |
| production method | 23g of p-toluidine, 500ml of water and 18ml of concentrated hydrochloric acid are stirred and heated to 50 ℃, then 29ml of acetic anhydride and 30g of sodium acetate are added in a solution of 100ml of water, stirred vigorously, cooled with ice water, filtered out the product, washed with water and dried to obtain about 20g of p-methylacetanilide. |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD 50:2640 mg/m3; Oral-mouse LD50: 980 mg/kg |
| flammability hazard characteristics | flammability; heating decomposition releases toxic nitrogen oxide smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, mist water |
Last Update：2024-04-09 02:00:05
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