N,N-DIHYDROXYETHYL-P-TOLUIDINE
2,2'-[(4-methylphenyl)imino]bisethanol
CAS: 3077-12-1
Molecular Formula: C11H17NO2
N,N-DIHYDROXYETHYL-P-TOLUIDINE - Names and Identifiers
| Name | 2,2'-[(4-methylphenyl)imino]bisethanol |
| Synonyms | P-TOLYLDIETHANOLAMINE N-(P-TOLYL)DIETHANOLAMINE 2,2'-(P-Tolylimino)Diethanol 2,2'-(P-TOLYLIMINO)DIETHANOL N,N-Dihydroxyethyl-p-toluidine N,N-DIHYDROXYETHYL-P-TOLUIDINE N,N-Dihydroxyethyl-4-methylaniline N,N-BIS(2-HYDROXYETHYL)-P-TOLUIDINE N,N-BIS(2-HYDROXYETHYL)-4-TOLUIDINE N,N-Bis-(2-hydroxyethyl)-p-toluidine 2-ethyl-N,N-dihydroxy-4-methylaniline 2,2'-[(4-methylphenyl)imino]diethanol 2,2'-[(4-methylphenyl)imino]bisethanol 2,2'-[(4-methylphenyl)imino]bis-ethano 2,2'-[(4-methylphenyl)imino]bis-Ethanol |
| CAS | 3077-12-1 |
| EINECS | 221-359-1 |
| InChI | InChI=1/C9H13NO2/c1-3-8-6-7(2)4-5-9(8)10(11)12/h4-6,11-12H,3H2,1-2H3 |
| InChIKey | JUVSRZCUMWZBFK-UHFFFAOYSA-N |
N,N-DIHYDROXYETHYL-P-TOLUIDINE - Physico-chemical Properties
| Molecular Formula | C11H17NO2 |
| Molar Mass | 195.26 |
| Density | 1.0654 (rough estimate) |
| Melting Point | 49-53 °C (lit.) |
| Boling Point | 338-340 °C (lit.) |
| Flash Point | >230°F |
| Water Solubility | 19.8g/L at 20℃ |
| Solubility | soluble in Methanol |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | White-like powder |
| Color | White or Colorles to Yellow to Orange |
| BRN | 2099156 |
| pKa | 14.33±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5330 (estimate) |
| MDL | MFCD00020580 |
N,N-DIHYDROXYETHYL-P-TOLUIDINE - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R41 - Risk of serious damage to eyes R37/38 - Irritating to respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S39 - Wear eye / face protection. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 1-10 |
| HS Code | 29221990 |
N,N-DIHYDROXYETHYL-P-TOLUIDINE - Reference Information
| LogP | 2 at 35℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | N,N-dihydroxyethyl-p-methylaniline is an organic intermediate for a wide range of dyes, medicines and pesticides. the ester group on the terminal amino group makes this kind of dye have more excellent properties and has occupied a certain market since it was prepared. At present, the domestic demand is huge, and there is still a certain market potential abroad. It is of great economic and practical significance to study its synthesis and technology. |
| synthesis method | N,N-dihydroxyethyl-p-methylaniline can be synthesized by the following steps: 1,000g of p-methylaniline and 10 g of water are added into a 5L pressure kettle, heated to 60 ℃ ~ 65 ℃ and stirred for 30 min, then 100 g of ethylene oxide is added, and the temperature is kept at 65~70 ℃ for reaction for 4 h. Then 100 g of ethylene oxide was added within 4 h, the temperature was kept at 70~75 ℃, the reaction was carried out at 70~80 ℃ for 3 h, and the temperature was cooled to 30 ℃. The reaction liquid is added to the distillation kettle, and the product is collected at 143~148 ℃(1. 3~1. 6 kPa). The yield is 86%, the purity of the product is greater than 98%, and the former fraction can be used to improve the yield. The product is a light yellow solid. |
Last Update：2024-04-09 15:16:49
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