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5-Methyl-1H-benzotriazole, 98+%
Description
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.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
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.
Solubility
Soluble in chloroform, methanol, water (6.0 g/L at 25°C), ethanol, and toluene (slightly).
Notes
Stable under recommended storage conditions. Incompatible with oxidizing agents.

Specifications
Specifications
Melting Point | 77°C to 84°C |
pH | 5.3 |
Boiling Point | 210°C to 212°C (12 mmHg) |
Odor | Odorless |
Quantity | 25 g |
Beilstein | 116658 |
Solubility Information | Soluble in chloroform,methanol,water (6.0g/L at 25°C),ethanol,and toluene (slightly). |
Formula Weight | 133.15 |
Percent Purity | ≥98% |
Chemical Name or Material | 5-Methyl-1H-benzotriazole |
Safety and Handling

- 5-Methyl-1H-benzotriazole
- Warning
- Acute toxicity Category 4
- Serious eye damage/eye irritation Category 2
- Skin corrosion/irritation Category 2
- Specific target organ toxicity Category 3
- H302-Harmful if swallowed.
- H315-Causes skin irritation.
- H319-Causes serious eye irritation.
- H335-May cause respiratory irritation.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P302+P352-IF ON SKIN: Wash with plenty of water/soap.
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P312-Call a POISON CENTER/doctor/if you feel unwell.
- P337+P313-If eye irritation persists: Get medical advice/attention.
- MIXTURE LIST-Contains : Tolutriazole
RUO – Research Use Only
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