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422479

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

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About This Item

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

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.

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

signalword

Danger

hcodes

EUH441

Hazard Classifications

vPvB

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB2066
STBL2404
STBL3282
STBK7200
STBK4908

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Behaviour of nanoparticle (ultrafine) titanium dioxide pigments and stabilisers on the photooxidative stability of water based acrylic and isocyanate based acrylic coatings
Allen NS, et al.
Polymer Degradation and Stability, 78(3), 467-478 (2002)
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
T H Begley et al.
Food additives and contaminants, 21(10), 1007-1014 (2005-02-17)
The migration characteristics of the UV stabilizer Tinuvin 234 (2-(2H-benzotriazol-2-yl)-4,6-bis (1-methyl-1-phenylethyl)phenol) into food simulants has been measured from polyethylene terephthalate (PET) using HPLC with UV detection. Ethanol/ water, isooctane and a fractionated coconut oil simulant (Miglyol) were used as food
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