4-Hydroxybenzotriazole
- CAS NO.：26725-51-9
- Empirical Formula: C6H5N3O
- Molecular Weight: 135.12
- MDL number: MFCD00970892
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:51:26
What is 4-Hydroxybenzotriazole?
General Description
4-Hydroxy-1H-benzotriazole belongs to the category of benzotriazoles, which are high production volume chemicals, generally used in industries or households.
Properties of 4-Hydroxybenzotriazole
| Melting point: | 224 °C (dec.) |
| Boiling point: | 473.0±18.0 °C(Predicted) |
| Density | 1.557±0.06 g/cm3(Predicted) |
| storage temp. | -20°C Freezer, Under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 7.25±0.40(Predicted) |
| color | Light Orange to Orange |
| CAS DataBase Reference | 26725-51-9(CAS DataBase Reference) |
Safety information for 4-Hydroxybenzotriazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H312:Acute toxicity,dermal H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 4-Hydroxybenzotriazole
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