5-Methyl-1<i>H</i>-benzotriazole , ≥99% , 136-85-6

CAS NO.：136-85-6

Empirical Formula: C7H7N3

Molecular Weight: 133.15

MDL number: MFCD00005702

EINECS: 205-265-8

PRODUCT 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

Description and Uses

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.

Safety

• Symbol(GHS): GHS07
• 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,