26725-51-9
26725-51-9 structure
- Name: 4-hydroxybenzotriazole
- Chemical Name: 1,2-dihydrobenzotriazol-4-one
- CAS Number: 26725-51-9
- Molecular Formula: C6H5N3O
- Molecular Weight: 135.123
- Create Date: 2018-04-24 08:00:00
- Modify Date: 2025-08-25 10:44:16
| Name | 1,2-dihydrobenzotriazol-4-one |
|---|---|
| Synonyms |
1H-1,2,3-Benzotriazol-4-ol
hydroxybenztriazole hydroxybenzotriazole 4-Hydroxy-1H-benzotriazole p-hydroxybenzotriazole 4-Hydroxybenztriazole 1H-1,2,3-Benzotriazol-7-ol 1H-Benzotriazol-7-ol MFCD00970892 1H-Benzotriazol-4-ol 4-Hydroxybenzotriazole |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 473.0±18.0 °C at 760 mmHg |
| Melting Point | 224ºC (dec.) |
| Molecular Formula | C6H5N3O |
| Molecular Weight | 135.123 |
| Flash Point | 239.9±21.2 °C |
| Exact Mass | 135.043259 |
| PSA | 61.80000 |
| LogP | 1.55 |
| Vapour Pressure | 0.0±1.2 mmHg at 25°C |
| Index of Refraction | 1.786 |
| Storage condition | 2-8°C |
| Hazard Codes | Xn: Harmful;Xi: Irritant; |
|---|---|
| Risk Phrases | R20/21/22 |
| Safety Phrases | 26-36 |
| WGK Germany | 3 |
| HS Code | 2933990090 |
|
~79%
26725-51-9 |
| Literature: Tyupalo, N. F.; Semenyuk, T. N.; Kolbasina, O. I. Russian Journal of Physical Chemistry, 1992 , vol. 66, # 4 p. 463 - 465 Zhurnal Fizicheskoi Khimii, 1992 , vol. 66, # 4 p. 871 - 874 |
|
~%
26725-51-9 |
| Literature: Lane; Williams Journal of the Chemical Society, 1956 , p. 569,571 |
|
~%
26725-51-9 |
| Literature: Fries; Gueterbock; Kuehn Justus Liebigs Annalen der Chemie, 1934 , vol. 511, p. 213,240 |
|
~%
26725-51-9 |
| Literature: Lane; Williams Journal of the Chemical Society, 1956 , p. 569,571 |
|
~%
26725-51-9 |
| Literature: Fries; Gueterbock; Kuehn Justus Liebigs Annalen der Chemie, 1934 , vol. 511, p. 213,240 |
| Precursor 5 | |
|---|---|
| DownStream 0 | |
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |