Skip to Content
Merck
All Photos(2)

Documents

422479

Sigma-Aldrich

2-tert-Butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol

98%

Synonym(s):

2-(2-Hydroxy-3-tert -butyl-5-methylphenyl)-5-chloro-2H -benzotriazole, 2-(3-tert -Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H -benzotriazole, 2-(5-Chloro-2-benzotriazolyl)-6-tert -butyl-p -cresol, 2-(5-Chloro-2H -benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methylphenol, 2-[5-Chloro-2H -benzotriazol-2-yl]-4-methyl-6-(tert -butyl)phenol

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C17H18ClN3O
CAS Number:
3896-11-5
Molecular Weight:
315.80
EC Number:
223-445-4
MDL number:
MFCD00059707
UNSPSC Code:
12162002
PubChem Substance ID:
24866434
NACRES:
NA.23

Assay

98%

mp

144-147 °C (lit.)

SMILES string

Cc1cc(c(O)c(c1)C(C)(C)C)-n2nc3ccc(Cl)cc3n2

InChI

1S/C17H18ClN3O/c1-10-7-12(17(2,3)4)16(22)15(8-10)21-19-13-6-5-11(18)9-14(13)20-21/h5-9,22H,1-4H3

InChI key

OCWYEMOEOGEQAN-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

2-tert-Butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol (UV-326) is a benzotriazole based UV absorber that can be used in the photostabilization of industrial materials. It can absorb the harmful UV radiation for the wavelength of about 290 nm.

Application

UV absorber
UV-326 can potentially be used as a UV light filter in cosmetics and sunscreens. It may also be used as a corrosion inhibitor for the protection of building materials and automobiles.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Acute toxicity of benzotriazole ultraviolet stabilizers on freshwater crustacean (Daphnia pulex)
Kim J, et al.
The Journal of Toxicological Sciences, 36(2), 247-251 (2011)
D V Spyropoulos
Food additives and contaminants, 15(3), 362-369 (1998-07-17)
The stability of five additives used in the manufacture of plastics materials intended to be in contact with foodstuffs was tested in two EU aqueous food simulants (3% acidic acid and 15% ethanol), in olive oil and in two alternative
Occurrence and removal of benzotriazoles and ultraviolet filters in a municipal wastewater treatment plant
Liu Y, et al.
Environmental Pollution (Barking, Essex : 1987), 165(9), 225-232 (2012)
C Redbrake et al.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 231(4), 238-241 (1993-04-01)
We investigated the kind of reactions that occur after injection of a PMMA lens powder into the back skin of rabbit. The lens powder was suspended in NaCl and incomplete Freund's adjuvant to reinforce the immunological reaction. The ELISA test
Determination of benzotriazole and benzophenone UV filters in sediment and sewage sludge
Zhang Z, et al.
Environmental Science & Technology, 45(9), 3909-3916 (2011)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service