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 |
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 |
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 |
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. |