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196304

5-Methyl-1H-benzotriazole

Name: 5-Methyl-1<I>H</I>-benzotriazole
Brand: ALDRICH

98%

Synonym(s):

5-Methyl-1,2,3-benzotriazole, 5-Methylbenzotriazole, 5-Tolyltriazole, 6-Methyl-1,2,3-benzotriazole, 6-Methyl-1H-benzotriazole, 6-Tolyltriazole

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About This Item

Empirical Formula (Hill Notation):

C₇H₇N₃

CAS Number:

136-85-6

Molecular Weight:

133.15

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

24851750

EC Number:

205-265-8

Beilstein/REAXYS Number:

116658

MDL number:

MFCD00005702

Assay:

98%

Form:

powder

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Properties

Quality Level

200

assay

98%

form

powder

bp

210-212 °C/12 mmHg (lit.)

mp

80-82 °C (lit.)

SMILES string

Cc1ccc2[nH]nnc2c1

InChI

1S/C7H7N3/c1-5-2-3-6-7(4-5)9-10-8-6/h2-4H,1H3,(H,8,9,10)

InChI key

LRUDIIUSNGCQKF-UHFFFAOYSA-N

Description

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.

Application

5-Methyl-1H-benzotriazole was used in determination of benzothiazoles and benzotriazoles in waste water samples by GC-MS.

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pictograms

GHS07

signalword

Warning

hcodes

H302,H315,H319,H335

pcodes

P261 - P264 - P270 - P301 + P312 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Corrosion inhibition of copper by tolyltriazole.

Walker R.

Corrosion (Houston, TX, United States), 32(8), 339-341 (1976)

Determination of benzothiazoles and benzotriazoles by using ionic liquid stationary phases in gas chromatography mass spectrometry. Application to their characterization in wastewaters.

Carmen Domínguez et al.

Journal of chromatography. A, 1230, 117-122 (2012-02-18)

Benzothiazoles (BTHs) and benzotriazoles (BTRs) belong to a high production volume chemicals widely used in both industrial and household applications. Since they are recalcitrant to biodegradation, they are widespread in the environment. However, the BTHs and BTRs determination in environmental

Studies of the environmental fate and effect of aircraft deicing fluids: detection of 5-methyl-1H-benzotriazole in the fathead minnow (Pimephales promelas).

Devon A Cancilla et al.

Environmental toxicology and chemistry, 22(1), 134-140 (2002-12-31)

This paper presents the results of a number of field and laboratory studies to evaluate the environmental impact of aircraft deicing and anti-icing fluids (ADAFs) on aquatic systems. Both 5-methyl-1H-benzotriazole (5-MeBt) and 4-methyl-1H-benzotriazole (4-MeBt), known additives to ADAFs, were found

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Global Trade Item Number

SKU	GTIN
196304-10G	04061838762016
196304-50G	04061838762023