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559857

Sigma-Aldrich

2-(2H-Benzotriazol-2-yl)-4-methyl-6-(2-propenyl)phenol

99%

Synonym(s):

2-(3-Allyl-2-hydroxy-5-methylphenyl)-2H-benzotriazole, 2-Allyl-6-(2H-benzotriazol-2-yl)-p-cresol

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About This Item

Empirical Formula (Hill Notation):
C16H15N3O
CAS Number:
2170-39-0
Molecular Weight:
265.31
MDL number:
MFCD00236141
UNSPSC Code:
12162002
PubChem Substance ID:
24879824
NACRES:
NA.23

Assay

99%

mp

98-101 °C (lit.)

transition temp

transition temp >270 °C

solubility

H2O: insoluble

density

1.3 g/mL at 25 °C (lit.)

SMILES string

Cc1cc(CC=C)c(O)c(c1)-n2nc3ccccc3n2

InChI

1S/C16H15N3O/c1-3-6-12-9-11(2)10-15(16(12)20)19-17-13-7-4-5-8-14(13)18-19/h3-5,7-10,20H,1,6H2,2H3

InChI key

YKONWVIRECCMQE-UHFFFAOYSA-N

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Application

Covalently bondable UV light stabilizer.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Zhe Lu et al.
Journal of chromatography. A, 1461, 51-58 (2016-07-19)
Analytical methods were developed for the determination of eight substituted diphenylamines (SDPAs) and six benzotriazole UV stabilizers (BZT-UVs) in blood plasma and fish homogenate matrices. Liquid-liquid extraction by methyl tert-butyl ether and denaturation by KOH following silica gel packed column

Articles

Continuous Flow Manufacturing for Monomer Synthesis

The manufacture of monomers for use in ophthalmic applications is driven by the need for higher purity, improved reliability of manufacturing supply, but ultimately by the need for the increased comfort, convenience, and safety of contact lens wearers. Daily wear contact lenses have the potential to fill this need for many customers; however, their widespread use is constrained by higher costs compared to weekly- or monthly-based lenses. New approaches that improve cost structure and result in higher quality raw materials are needed to help make contact lenses more affordable and accelerate growth of the contact lens market.

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