ChemicalBook CAS DataBase List 25973-55-1

25973-55-1

Name	2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol
CAS	25973-55-1
EINECS(EC#)	247-384-8
Molecular Formula	C22H29N3O
MDL Number	MFCD00142737
Molecular Weight	351.49
MOL File	25973-55-1.mol

Synonyms

2-(2h-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-pheno 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-Phenol 2-(2-Hydroxy-3,5-dipenryl-phenyl) benzotriazole UV-328 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol UV ABSORBER UV-328 2-(2H-benzotriaziol-2-yl)-4,6-Di-Tert-Pentylphenol ThasorbUv328 UV ABSORBER 328 2-(2-Hydroxy-3,5-di-tert-amylphenyl)-[2H]-benzotriazole 2-(3,5-Di-tert-pentyl-2-hydroxyphenyl)-[2H]-benzotriazole 2-(2'-Hydroxy-3',5'-Di-tert-Pentylphenyl)-Benzotriazole Phenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)- 2-(2H-BENZOTRIAZOL-2-YL)-4,6-DI-TERT-PENTYLPHENOL 98% 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol Ultraviolet absorbent UV-328 2-(2-Hydroxy-3,5-di-tert-pentylphenyl)-2H-benzotriazole 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)-2H-benzotriazole 2,4-Bis(1,1-dimethylpropyl)-6-(2H-benzotriazole-2-yl)phenol Cyasorb UV-2337

Chemical Properties

Melting point	80-83°C
Boiling point	469.1±55.0 °C(Predicted)
density	1.08±0.1 g/cm3(Predicted)
vapor pressure	0Pa at 20℃
storage temp.	-20°C Freezer
solubility	DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly, Sonicated)
form	Solid
pka	8.85±0.50(Predicted)
color	Off-White to Pale Yellow
InChI	InChI=1S/C22H29N3O/c1-7-21(3,4)15-13-16(22(5,6)8-2)20(26)19(14-15)25-23-17-11-9-10-12-18(17)24-25/h9-14,26H,7-8H2,1-6H3
InChIKey	ZMWRRFHBXARRRT-UHFFFAOYSA-N
SMILES	C1(O)=C(C(C)(C)CC)C=C(C(C)(C)CC)C=C1N1N=C2C=CC=CC2=N1
LogP	7.3 at 25℃
CAS DataBase Reference	25973-55-1(CAS DataBase Reference)
EPA Substance Registry System	25973-55-1(EPA Substance)

Safety Data

Symbol(GHS)	GHS08
Signal word	Warning
Hazard statements	H373-H413
Precautionary statements	P273-P314
Hazard Codes	Xi
Risk Statements	R36/37/38:Irritating to eyes, respiratory system and skin . less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing . less more
WGK Germany	2
TSCA	TSCA listed
HS Code	2933.99.8290
REACH Registrations	Inactive
Storage Class	11 - Combustible Solids
Hazard Classifications	Aquatic Chronic 4 STOT RE 2 Oral
Hazardous Substances Data	25973-55-1(Hazardous Substances Data)

Hazard Information

Description

UV-328 (2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol) is a chemical compound that belongs to the phenolic benzotriazoles. It is a UV filter that is used as an antioxidant for plastics.

Uses

2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol is an ultraviolet light absorber (UVA) of the hydroxyphenylbenzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.

Application

UV-328 is a light stabilizer for a variety of plastics and other organic substrates. Its use is recommended for the stabilization of styrene homopolymers and copolymers, acrylic polymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyurethanes, polyacetals, polyvinyl butyral, elastomers and adhesives.It protects polymers and organic pigments from UV radiation and helps maintain the original appearance and physical integrity of moldings, films, sheets and fibers during outdoor weathering. The application concentration is 0.1-1 %.UV-328 is recommended for applications such as automotive coatings, industrial coatings, commercial inks such as wood stains or do-it-yourself inks.

General Description

2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol (UV-328) is an ultraviolet (UV) stabilizer with a phenolic group connected to the benzotriazole structure. These phenolic groups facilitate the absorption of UV light. UV-328 is mainly used in as a light stabilizer for coating and as an additive for industrial polymers.

Toxics Screening Level

The initial threshold screening level (ITSL) for BDTP is 5.3 μg/m 3 with an annual averaging time.

Questions And Answer

Spectrum Detail

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