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Merck
CN

14949

5-Methyl-1H-benzotriazole

analytical standard

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About This Item

Empirical Formula (Hill Notation):
C7H7N3
CAS Number:
136-85-6
Molecular Weight:
133.15
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329750664
EC Number:
205-265-8
Beilstein/REAXYS Number:
116658
MDL number:
MFCD00005702

Key Documents

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Product Name

5-Methyl-1H-benzotriazole, analytical standard

InChI key

LRUDIIUSNGCQKF-UHFFFAOYSA-N

InChI

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

SMILES string

Cc1ccc2[nH]nnc2c1

grade

analytical standard

assay

≥98% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

bp

210-212 °C/12 mmHg (lit.)

mp

80-82 °C (lit.)

application(s)

forensics and toxicology
pharmaceutical (small molecule)

format

neat

Quality Level

100

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Other Notes

Limited shelf life, expiry date on the label.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

pictograms

Exclamation mark
GHS07

signalword

Warning

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN8698
BCCK7729
BCCG2515
BCCB7471
BCBV3700

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Alexandros G Asimakopoulos et al.
Analytical chemistry, 85(1), 441-448 (2012-12-06)
Benzotriazole (BTR) and benzothiazole (BTH) derivatives are used in a wide variety of industrial and consumer products and have been reported to occur in the environment. Owing to a lack of analytical methods, human exposure to BTR and BTH is
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
Attilio Naccarato et al.
Journal of chromatography. A, 1338, 164-173 (2014-03-19)
This work proposes a new approach for the simultaneous determination of benzothiazoles, benzotriazoles and benzosulfonamides in different environmental matrices and human urine, using solid-phase microextraction coupled with gas-chromatography-triple quadrupole mass spectrometry (SPME-GC-QqQMS). The analytes object of this investigation have been
Rozanna Avagyan et al.
Environmental science and pollution research international, 22(8), 5842-5849 (2014-10-25)
Textiles play an important role in our daily life, and textile production is one of the oldest industries. In the manufacturing chain from natural and/or synthetic fibers to the final clothing products, the use of many different chemicals is ubiquitous.

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