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422479

Sigma-Aldrich

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

98%

Synonyme(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

Formule empirique (notation de Hill):
C17H18ClN3O
Numéro CAS:
3896-11-5
Poids moléculaire :
315.80
Numéro CE :
223-445-4
Numéro MDL:
MFCD00059707
Code UNSPSC :
12162002
ID de substance PubChem :
24866434
Nomenclature NACRES :
NA.23

Niveau de qualité

100

Pureté

98%

Pf

144-147 °C (lit.)

Chaîne SMILES 

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

Clé InChI

OCWYEMOEOGEQAN-UHFFFAOYSA-N

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Description générale

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.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
STBL2404
STBL3282
STBK7200
STBK4908
STBJ7246

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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
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)
I Carpinteiro et al.
Journal of chromatography. A, 1217(24), 3729-3735 (2010-05-04)
A novel and sensitive method for the determination of five benzotriazole compounds (commonly used as light stabilizers) in indoor dust is presented. Pressurized liquid extraction (PLE) and gas chromatography followed by tandem in time mass spectrometry (GC-MS/MS) were used as
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
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
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