1,2-Dihydro-5-nitroacenaphthylene
5-Nitroacenaphthene
CAS: 602-87-9
Molecular Formula: C12H9NO2
1,2-Dihydro-5-nitroacenaphthylene - Names and Identifiers
1,2-Dihydro-5-nitroacenaphthylene - Physico-chemical Properties
| Molecular Formula | C12H9NO2 |
| Molar Mass | 199.21 |
| Density | 1.1919 (rough estimate) |
| Melting Point | 100-101°C(lit.) |
| Boling Point | 279°C |
| Flash Point | 279°C |
| Solubility | Chloroform (Slightly), DMSO (Slightly) |
| Vapor Presure | 1.1E-05mmHg at 25°C |
| Appearance | Solid |
| Color | Light Yellow to Yellow |
| BRN | 1876864 |
| Storage Condition | -20°C Freezer |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.5880 (estimate) |
| Physical and Chemical Properties | Yellow needle-like crystals. Melting point 101.5-102.5 °c. Soluble in hot water, ethanol, ether and petroleum ether. Blue-purple in concentrated sulfuric acid. |
| Use | Used as a chemical reagent |
1,2-Dihydro-5-nitroacenaphthylene - Risk and Safety
| Risk Codes | 45 - May cause cancer |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | AB1060000 |
| TSCA | Yes |
| HS Code | 29049090 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
1,2-Dihydro-5-nitroacenaphthylene - Reference Information
| (IARC) carcinogen classification | 2B (Vol. 16, Sup 7) 1987 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | this product is an intermediate of dye acid high yellow FF, dispersed fluorescent yellow, etc. Also used as a photoresist sensitizer. Used as a chemical reagent |
| production method | is obtained by nitration of acenaphthene. Glacial acetic acid was added to a dry glass-lined reaction pot, and industrial acenaphthene (melting point 92-94 ℃) was added under stirring. Heat to 70 ℃, stir for 10min, and cool to 23 ℃. Control the temperature between 23-26 ℃ and slowly add 65% nitric acid dropwise. After addition, 5-nitro acenaphthene is generated by stirring at 23-26 ℃ for 1h. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 15:16:46
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