5-Methyl-1H-benzotriazole
- Product Name5-Methyl-1H-benzotriazole
- CAS136-85-6
- CBNumberCB1102752
- MFC7H7N3
- MW133.15
- EINECS205-265-8
- MDL NumberMFCD00005702
- 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 |
| InChIKey | LRUDIIUSNGCQKF-UHFFFAOYSA-N |
| CAS DataBase Reference | 136-85-6(CAS DataBase Reference) |
| FDA UNII | O9DI72TU6U |
| NIST Chemistry Reference | 1H-benzotriazole, 5-methyl-(136-85-6) |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P305+P351+P338 | |||||||||
| 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 | Yes | |||||||||
| HS Code | 29339900 | |||||||||
| Toxicity | guinea pig,LD50,skin,> 1gm/kg (1000mg/kg),Kodak Company Reports. Vol. 21MAY1971, | |||||||||
| NFPA 704: |
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