5-Methyl-1H-benzotriazole
- Product Name5-Methyl-1H-benzotriazole
- CAS136-85-6
- MFC7H7N3
- MW133.15
- EINECS205-265-8
- MOL File136-85-6.mol
Chemical Properties
| 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 |
| InChI | 1S/C7H7N3/c1-5-2-3-6-7(4-5)9-10-8-6/h2-4H,1H3,(H,8,9,10) |
| InChIKey | LRUDIIUSNGCQKF-UHFFFAOYSA-N |
| SMILES | Cc1ccc2[nH]nnc2c1 |
| CAS DataBase Reference | 136-85-6(CAS DataBase Reference) |
Safety Information
| Hazard Codes | Xn,Xi |
| Risk Statements | 20/21/22-36/37/38-37-22 |
| Safety Statements | 26-36-38 |
| WGK Germany | 3 |
| RTECS | DM1400000 |
| TSCA | TSCA listed |
| HS Code | 29339900 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
| Toxicity | guinea pig,LD50,skin,> 1gm/kg (1000mg/kg),Kodak Company Reports. Vol. 21MAY1971, |
![5-Methyl-1H-benzo[d][1,2,3]triazole pictures](/ProductImageEN1/2025-06/Small/3300ef49-9ffc-4cd3-a635-db7c6fc2734e.png)
