Basic information
- Name:
1H-Benzotriazole,6-methyl-
- Superlist Name:
- 5-Methyl-1H-benzotriazole
- CAS No.:
136-85-6
- Molecular Structure:
- Formula:
- C7H7N3
- Molecular Weight:
- 133.15
- Deleted CAS:
- 49636-02-4
- Synonyms:
- 1H-Benzotriazole,5-methyl- (8CI,9CI);Benzotriazole, 5-methyl- (6CI,7CI);5-Methyl-1,2,3-benzotriazole;5-Methyl-1H-benzo[d][1,2,3]triazole;5-Methylbenzotriazole;5-Tolyltriazole;6-Methyl-1,2,3-benzotriazole;6-Tolyltriazole;Tolutriazole;
- EINECS:
- 205-265-8
- Density:
- 1.273 g/cm3
- Melting Point:
- 80-82 °C(lit.)
- Boiling Point:
- 289.3 °C at 760 mmHg
- Flash Point:
- 137.4 °C
- Solubility:
- water: 6.0 g/L (25 °C)
- Appearance:
- cream to beige crystalline powder
- Hazard Symbols:
Xn,
Xi- Risk Codes:
- 20/21/22-36/37/38-37
- Safety Description:
- 26-36-38 Details
Famous Chemical Enterprises
-
Livzon -
Total -
Shell -
Dupont -
Exxonmobil -
Akzonobel -
Basf -
Bayer -
BP
Please post your buying leads,so that our qualified suppliers will soon
contact you!
*Required Fields
Chemistry
Molecular Formula: C7H7N3
Molecular Weight: 133.15g/mol.
Melting Point: 80-82 °C(lit.)
Flash Point: 137.4 °C
Boiling Point: 289.3 °C at 760 mmHg
Water Solubility: 6.0 g/L (25 °C)
Index of Refraction: 1.68
Molar Refractivity: 39.53 cm3
Molar Volume: 104.5 cm3
Surface Tension: 64.7 dyne/cm
Density: 1.273 g/cm3
Enthalpy of Vaporization: 52.86 kJ/mol
Vapour Pressure: 0.00222 mmHg at 25 °C
Structure of 5-Methyl-1H-benzotriazole (CAS NO.136-85-6):
IUPAC Name: 5-Methyl-2H-benzotriazole
Canonical SMILES: CC1=CC2=NNN=C2C=C1
InChI: 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
Product Category of 5-Methyl-1H-benzotriazole (CAS NO.136-85-6): Industrial/Fine Chemicals;Benzotriazoles;Heterocyclic Building Blocks
Uses
5-Methyl-1H-benzotriazole (CAS NO.136-85-6) is mainly used as antitrust and corrosion inhibitor for metals and for antitrust oil products.
Production
It is derived with Toluene diamine by diazotization and cyclization.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | skin | > 1gm/kg (1000mg/kg) | Kodak Company Reports. Vol. 21MAY1971, | |
| rat | LD50 | oral | 1600mg/kg (1600mg/kg) | Kodak Company Reports. Vol. 21MAY1971, |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes: 
Xn,
Xi
Risk Statements: 20/21/22-36/37/38-37-22
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
37: Irritating to the respiratory system
22: Harmful if swallowed
Safety Statements: 26-36-38
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
38: In case of insufficient ventilation, wear suitable respiratory equipment
WGK Germany: 3
RTECS: DM1400000 .
Specification
5-Methyl-1H-benzotriazole (CAS NO.136-85-6) is also named Tolytriazole ; 1H-Benzotriazole,5-methyl- ; 5-Methyl-1H-1,2,3-benzotriazole ; 5-Methyl-1H-benzo-1,2,3-triazole ; m-Tolylazoimide ; Retrocure G ; and Vulkalent TM . It should be stored in aeration, dryness place, and it can't be mixed with food and seed.
