533203
2-(2-Hydroxy-5-methylphenyl)benzotriazole
97%
Synonym(s):
2-(2H-Benzotriazol-2-yl)-p-cresol
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All Photos(2)
About This Item
Empirical Formula (Hill Notation):
C13H11N3O
CAS Number:
Molecular Weight:
225.25
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
97%
reaction suitability
reaction type: C-C Bond Formation
mp
125.5-129.5 °C (lit.)
SMILES string
Cc1ccc(O)c(c1)-n2nc3ccccc3n2
InChI
1S/C13H11N3O/c1-9-6-7-13(17)12(8-9)16-14-10-4-2-3-5-11(10)15-16/h2-8,17H,1H3
InChI key
MCPKSFINULVDNX-UHFFFAOYSA-N
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Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Chronic 1 - Skin Sens. 1B
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Contact allergy to Tinuvin P.
A C de Groot et al.
Contact dermatitis, 9(4), 324-325 (1983-07-01)
Y Ikarashi et al.
Contact dermatitis, 30(4), 226-230 (1994-04-01)
The contact sensitizing potential of 2-(2'-hydroxy-5'-methylphenyl)benzotriazole (Tinuvin P) was investigated using the murine local lymph node assay (LLNA) and the mouse ear swelling test with some modification in the induction procedure (modified MEST). Topical exposure of the ears to Tinuvin
Hiroshi Tokunaga et al.
Kokuritsu Iyakuhin Shokuhin Eisei Kenkyujo hokoku = Bulletin of National Institute of Health Sciences, (120)(120), 98-100 (2003-03-18)
2-(2'-hydroxy-5'-methylphenyl)-benzotriazole (HMB) is nominated as the restricted ingredients in cosmetics in Japanese Pharmaceutical Affairs Act. So the analytical method for HMB was investigated by HPLC. After dissolving HMB in cream or oil with tetrahydrofuran and making the constant volume with
Allergic contact dermatitis from an ostomy bag.
E van Hecke et al.
Contact dermatitis, 18(2), 121-122 (1988-02-01)
K Arisu et al.
Contact dermatitis, 26(5), 311-316 (1992-05-01)
We report a 54-year-old female with allergic contact dermatitis from 2-(2-hydroxy-5-methylphenyl)benzotriazole (Tinuvin P) in a spandex tape sewn into underwear. Tinuvin P is used as an ultraviolet light absorber for stabilizing plastics and the other organic materials against discoloration and
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