5-Methyl-1H-benzotriazole 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)

NIST Chemistry Reference

1H-benzotriazole, 5-methyl-(136-85-6)

EPA Substance Registry System

5-Tolyltriazole (136-85-6)

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 

Yes

HS Code 

29339900

Toxicity

guinea pig,LD50,skin,> 1gm/kg (1000mg/kg),Kodak Company Reports. Vol. 21MAY1971,

MSDS

• Language:English Provider:5-Methyl-1H-benzotriazole
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

5-Methyl-1H-benzotriazole Usage And Synthesis

Chemical Properties

cream to beige crystalline powder

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.

Definition

ChEBI: A member of the class of benzotriazoles that is 1H-benzotriazole substituted by a methyl group at position 5.

General Description

5-Methyl-1H-benzotriazole is an active component of aircraft deicing and anti-icing fluid. It prevents the corrosion of copper and brass in a variety of corrosive environments.

5-Methyl-1H-benzotriazole(136-85-6)Related Product Information

• 1-Methyl-1H-benzotriazole-5-methanol
• 5,6-DIMETHYL-1,2,3-BENZOTRIAZOLE HYDRATE
• Benzotriazole-5-carboxylic acid
• Methyl-1H-benzotriazole (mixture)
• 5-Methyl-1H-benzotriazole
• Alizapride
• METHYL 1,2,3-BENZOTRIAZOLE-5-CARBOXYLATE
• 1-HYDROXY-6-(TRIFLUOROMETHYL)BENZOTRIAZOLE
• 4(or 5)-methyl-1H-benzotriazole, potassium salt
• 1-[Bis(2-hydroxyethyl)aminomethyl]-4-methyl-1H-benzotriazole,2,2'-(4-Methyl-1H-benzotriazole-1-ylmethylimino)bisethanol
• Tolytriazole sodium salt
• n,n-bis(2-ethylhexyl)-ar-methyl-1h-benzotriazole-1-methanamin
• Sodium methylbenzotriazole
• 1-METHYL-1H-BENZOTRIAZOLE-5-CARBOXYLIC ACID
• dihydro-3-(tetrapropenyl)furan-2,5-dione, compound with methyl-1H-benzotriazole
• N,N-bis(2-ethylhexyl)-4-methyl-1H-benzotriazole-1-methylamine
• 1-METHYL-1H-BENZOTRIAZOLE
• vorozole