Acethydrazide
Acethydrazide
CAS: 1068-57-1
Molecular Formula: C2H6N2O
Acethydrazide - Names and Identifiers
| Name | Acethydrazide |
| Synonyms | 374 AKOS 90782 ACETHYDRAZIDE Acethydrazide Acetyl drazide ACETOHYDRAZIDE acetohydrazide Acethyldrazide Acetylhydrazine Acetic hydrazide Acetyl hydrazine ACETIC HYDRAZIDE Acetyl hydrazide Acetylhydrazine) ACETIC ACID HYDRAZIDE Acetic acid hydrazide Acetic hydrazide (Acethydrazide |
| CAS | 1068-57-1 |
| EINECS | 213-948-7 |
| InChI | InChI=1/C7H5ClF3N/c1-4-2-5(7(9,10)11)3-6(8)12-4/h2-3H,1H3 |
| InChIKey | OFLXLNCGODUUOT-UHFFFAOYSA-N |
Acethydrazide - Physico-chemical Properties
| Molecular Formula | C2H6N2O |
| Molar Mass | 74.08 |
| Density | 1.0968 (rough estimate) |
| Melting Point | 58-68 °C (lit.) |
| Boling Point | 129 °C/18 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | soluble |
| Vapor Presure | 1.07mmHg at 25°C |
| Appearance | White crystal |
| Color | White |
| BRN | 506165 |
| pKa | 13.46±0.18(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
| Sensitive | Hygroscopic |
| Refractive Index | 1.4264 (estimate) |
| MDL | MFCD00007610 |
| Physical and Chemical Properties | This product is white crystal, m. P. 65~68 ℃, B. P. 129 ℃/2.4kpa, F. P.>110 ℃, soluble in water and hot ether. |
| Use | Used as an intermediate in organic synthesis |
Acethydrazide - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36/38 - Irritating to eyes and skin. R68 - Possible risk of irreversible effects R40 - Limited evidence of a carcinogenic effect R25 - Toxic 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | 1759 |
| WGK Germany | 1 |
| RTECS | AI1225000 |
| FLUKA BRAND F CODES | 3-8-10 |
| TSCA | Y |
| HS Code | 29280090 |
| Hazard Class | 6.1 |
| Packing Group | II |
| Toxicity | LD50 oral in bird - wild: 42200ug/kg |
Acethydrazide - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | acetylhydrazine is an important chemical raw material, which can be used to synthesize analgesic drugs, anticancer drugs, tooth corrosion inhibitors, tablets activity index inhibitors, antifogging agents for color fixing fluids, stabilizers, metal pickling preservatives, etc. In particular, the preparation of carbamate insecticides with acetylhydrazine as raw material can avoid the toxicity caused by the direct use of methyl isonitrile acid to the human body and the environment. |
| Application | Acetylhydrazine is a white crystalline substance, which is an important organic synthesis intermediate. It is an intermediate of the insecticide pyrazinone in pesticides. It is also an intermediate of the herbicide benzindone. It is mainly used to synthesize nifuron in medicine. |
| Preparation method | The preparation method of acetylhydrazine is to react ethyl acetate with hydrazine hydrate in the presence of Al2O3 to obtain acetylhydrazine. Reaction equation: CH3COOC2H5 NH2NH2 · H2O → CH3CONHNH2 C2H5OH |
| Uses | Acetylhydrazine is an important organic synthesis intermediate. It is an intermediate of the insecticide pyrazinone in pesticides and an intermediate of the herbicide benprofezinone. It is mainly used to synthesize nifurone (nifuratrone) in medicine. Acetylhydrazine is an intermediate of the herbicide benazinone. Used as an intermediate in organic synthesis |
| production method | the preparation method is to add ethyl acetate and hydrazine hydrate to the reactor, heat and reflux for several hours, and then distill the finished product under reduced pressure. CH3COOC2H5 NH2NH2 · H2O → CH3CONHNH2 C2H5OH The preparation method is to react ethyl acetate with hydrazine hydrate in the presence of Al2O3 to obtain acetylhydrazine. Reaction equation: CH3COOC2H5 NH2NH2 · H2O → CH3CONHNH2 C2H5OH |
Last Update：2024-04-09 20:52:54
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