4-nitropyrocatechol
4-Nitrocatechol
CAS: 3316-09-4
Molecular Formula: C6H5NO4
4-nitropyrocatechol - Names and Identifiers
| Name | 4-Nitrocatechol |
| Synonyms | NITROCATECHOL 4-Nitrocatechol 4-NITROCATECHOL 4-NITROPYROCATECHOL 4-nitropyrocatechol 4-Nitro-1,2-benzenediol 4-nitrobenzene-1,2-diol 3,4-Dihydroxynitrobenzene 3,4-DIHYDROXYNITROBENZENE 1,2-Benzenediol, 4-nitro- 2-hydroxy-4-nitrophenolate 4-NITROCATECHOL SIGMA GRADE 1,2-DIHYDROXY-4-NITROBENZENE |
| CAS | 3316-09-4 |
| EINECS | 222-009-0 |
| InChI | InChI=1/C6H5NO4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H |
4-nitropyrocatechol - Physico-chemical Properties
| Molecular Formula | C6H5NO4 |
| Molar Mass | 155.11 |
| Density | 1.5553 (rough estimate) |
| Melting Point | 173-177 °C (lit.) |
| Boling Point | 278.88°C (rough estimate) |
| Flash Point | 168.8°C |
| Water Solubility | Soluble in water. |
| Solubility | Solubility Very slightly soluble in water; soluble in ethanol |
| Vapor Presure | 1.25E-05mmHg at 25°C |
| Appearance | Yellow needle crystal |
| Color | Yellow to mustard |
| Maximum wavelength(λmax) | ['385nm, 510nm'] |
| BRN | 1867508 |
| pKa | 6.84(at 25℃) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Hygroscopic |
| Refractive Index | 1.5423 (estimate) |
| MDL | MFCD00007242 |
4-nitropyrocatechol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| HS Code | 29062900 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
4-nitropyrocatechol - Reference Information
| pH indicator color change ph range | Straw (3.9) to lemon yellow (6.3) |
| main application | Semiconductors, magnetic recording materials, nonlinear optical materials, photography, determination of lysosomal enzyme disorders, antimicrobial agent, anti-cancer agent |
| use | spectrophotometric standard. |
Last Update：2024-04-09 15:16:49
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