ACETOACET-O-CHLOROANILIDE
2'-Chloroacetoacetanilide
CAS: 93-70-9
Molecular Formula: C10H10ClNO2
ACETOACET-O-CHLOROANILIDE - Names and Identifiers
| Name | 2'-Chloroacetoacetanilide |
| Synonyms | AAOCA AKOS B029162 ACETOACET-O-CHLORANILIDE 2'-Chloroacetoacetanilide Acetoacet-o-chloroamilide ACETOACET-O-CHLOROANILIDE ACETO ACET O CHLORO ANILINE Acetoacetic-o-chloroanilide ACETOACETYL-O-CHLOROANILINE N-(2-CHLOROPHENYL)-3-OXOBUTANAMIDE |
| CAS | 93-70-9 |
| EINECS | 202-269-1 |
| InChI | InChI=1/C10H10ClNO2/c1-7(13)12-9-5-3-2-4-8(9)10(14)6-11/h2-5H,6H2,1H3,(H,12,13) |
ACETOACET-O-CHLOROANILIDE - Physico-chemical Properties
| Molecular Formula | C10H10ClNO2 |
| Molar Mass | 211.64 |
| Density | 1.1920 |
| Melting Point | 107°C |
| Boling Point | 303°C (rough estimate) |
| Flash Point | 201.7°C |
| Vapor Presure | 0-0.017Pa at 20-50℃ |
| Appearance | Powder |
| Color | White crystalline powder |
| pKa | 10.87±0.46(Predicted) |
| Refractive Index | 1.5790 (estimate) |
| Physical and Chemical Properties | White crystalline powder. |
| Use | As an intermediate for dyes and pigments |
ACETOACET-O-CHLOROANILIDE - Risk and Safety
| 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S37 - Wear suitable gloves. |
| HS Code | 29242990 |
| Toxicity | LD50 orl-rat: 11,600 mg/kg LONZA# 10JUL81 |
ACETOACET-O-CHLOROANILIDE - Nature
Open Data Verified Data
white crystalline powder. The relative density was 1. 1920. Melting Point 107 °c. Decomposition during boiling. Insoluble in water. Non-combustible. The chemical properties were similar to those of ethyl acetoacetate.
Last Update：2024-01-02 23:10:35
ACETOACET-O-CHLOROANILIDE - Preparation Method
Open Data Verified Data
O-chloroaniline and diketene are condensed in ethanol medium at 25~30 ° C. To obtain a crude product, which is filtered, washed and dried to obtain a finished product.
Last Update：2022-01-01 10:52:27
ACETOACET-O-CHLOROANILIDE - Use
Open Data Verified Data
mainly used in the manufacture of 5 pyrazolone and other dye intermediates and Hansha yellow 10g Lake, also used in the production of pigments, spices and so on.
Last Update：2022-01-01 10:52:27
ACETOACET-O-CHLOROANILIDE - Safety
Open Data Verified Data
low toxicity. The round iron drum is packed with plastic bags, and the net weight of each barrel is 30kg. Store in a ventilated, dry place. Protection from light, sun and moisture. According to the general provisions of the storage and transportation of chemicals.
Last Update：2022-01-01 10:52:28
ACETOACET-O-CHLOROANILIDE - Reference Information
| LogP | 1.32 at 23℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | This product is an intermediate of dyes, organic pigments and pesticides, mainly used for 1.3.5 pyrazolone and Hansha yellow 10G1 lakes, etc. used as dye and pigment intermediates 2 '-chloro-N-acetyl aniline can be used as dye intermediates for the production of pigment yellow 10g, pigment yellow GP, as well as the production of dye intermediates 1-(2-chlorophenyl) 3-methyl-5-pyrazolone, etc., can also be further produced neutral dyes, such as neutral bright yellow 3GL, neutral dark brown BRL, neutral orange RL et al. |
| production method | from O-chloroaniline and diketene reaction. The reaction is carried out in an ethanol medium, and the product is obtained by condensation at 25-30 ° C., followed by filtration, washing and drying to obtain a finished product. The product can also be prepared by dissolving O-chloroaniline in benzene and adding ethyl acetoacetate dropwise. Raw material consumption quota: O-chloroaniline (99%)625kg/t, diketene (96%)414kg/t, alcohol (95%)200kg/t. |
| category | toxic substances |
| toxicity grade | low toxicity |
| Acute toxicity | oral-rat LD50: 11600 mg/kg |
| flammability hazard characteristics | toxic chloride and nitrogen oxide gases emitted by thermal decomposition |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials |
| fire extinguishing agent | carbon dioxide, sand, foam |
Last Update：2024-04-09 21:01:54
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