5-Methyl-1H-benzotriazole
- CAS NO.：136-85-6
- Empirical Formula: C7H7N3
- Molecular Weight: 133.15
- MDL number: MFCD00005702
- EINECS: 205-265-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-11-28 13:50:20
What is 5-Methyl-1H-benzotriazole?
Chemical properties
cream to beige crystalline powder
The Uses of 5-Methyl-1H-benzotriazole
5-Methyl-1H-benzotriazole was used in determination of benzothiazoles and benzotriazoles in waste water samples by GC-MS. It is also used as a potential nitrification inhibitor of urea fertilizer in agricultural soils.
What are the applications of Application
5-Methylbenzotriazole is a potential nitrification inhibitor of urea fertilizers
Definition
ChEBI: A member of the class of benzotriazoles that is 1H-benzotriazole substituted by a methyl group at position 5.
General Description
5-Methyl-1H-benzotriazole is an active component of aircraft deicing and anti-icing fluid. It prevents the corrosion of copper and brass in a variety of corrosive environments.
Properties of 5-Methyl-1H-benzotriazole
| Melting point: | 80-82 °C(lit.) |
| Boiling point: | 210-212 °C12 mm Hg(lit.) |
| Density | 1.1873 (rough estimate) |
| vapor pressure | 0.001Pa at 25℃ |
| refractive index | 1.5341 (estimate) |
| Flash point: | 210-212°C/12mm |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| pka | 8.74±0.40(Predicted) |
| form | Crystalline Powder |
| color | Cream to beige |
| Water Solubility | 6.0 g/L (25 ºC) |
| λmax | 276nm(H2O)(lit.) |
| BRN | 116658 |
| CAS DataBase Reference | 136-85-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 1H-benzotriazole, 5-methyl-(136-85-6) |
| EPA Substance Registry System | 5-Tolyltriazole (136-85-6) |
Safety information for 5-Methyl-1H-benzotriazole
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 5-Methyl-1H-benzotriazole
| InChIKey | LRUDIIUSNGCQKF-UHFFFAOYSA-N |
5-Methyl-1H-benzotriazole manufacturer
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