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

Name: 2-<I>tert</I>-Butyl-6-(5-chloro-2<I>H</I>-benzotriazol-2-yl)-4-methylphenol
Brand: ALDRICH

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

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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

Quality Level

100

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

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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.

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)

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Stability testing of the plastics additives 2,4-dihydroxybenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-octyloxybenzophenone, 2-ethoxy-2-ethyloxanilide (tinuvin 312) and 2,2'-methylenebis(4-methyl-t-tert-butyl phenol) in aqueous and fatty food simulants.

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

Immunological reactions against PMMA lens material?

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

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)

Determination of benzotriazole and benzophenone UV filters in sediment and sewage sludge

Zhang Z, et al.

Environmental Science & Technology, 45(9), 3909-3916 (2011)

[Simultaneous determination of 9 ultraviolet stabilizers in food plastic packaging materials by solid phase extraction-high performance liquid chromatography].

Juzhou Zhang et al.

Se pu = Chinese journal of chromatography, 30(2), 190-195 (2012-06-12)

An effective high performance liquid chromatographic (HPLC) method has been developed for the simultaneous determination of 9 ultraviolet stabilizers in food plastic packaging materials. The food packaging samples were firstly extracted by methanol-ethyl acetate, and then purified by a C18

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