UV Absorber UV-P

CAS No. 2440-22-4 Content 98% Packing 25kg/bag Names and Identifiers Name 2-(2′-Hydroxy-5′-methyl-phenyl)benzotriazole Synonyms UV-P UV P Benazol P Tinuvin P PrimesorbP LOTSORB UV ...

Category:Paint chemicals

Introduction

CAS No. 2440-22-4

Content 98%

Packing 25kg/bag

Names and Identifiers

Name 2-(2′-Hydroxy-5′-methyl-phenyl)benzotriazole
Synonyms UV-P
UV P
Benazol P
Tinuvin P
PrimesorbP
LOTSORB UV P
Drometrizole
UV absorber-P
UV absorber UV-P
2H-benzotriazole
Ultraviolet absorber UV-P
Ultraviolet absorbent UV-P
2-(2-Benzotriazolyl)-p-cresol
2-(2h-benzotriazol-2-yl)-p-creso
2-(2H-Benzotriazol-2-yl)-p-cresol
2-(2-Benzotriazolyl)-4-methylphenol
2-(2h-benzotriazol-2-yl)-4-methyl-pheno
2-(2H-benzotriazol-2-yl)-4-methylphenol
2-(2H-Benzotriazol-2-yl)-p-cresol(UV-P)
2-(2-Hydroxy-5-methyl-phenyl)benzotriazole
2-(2′-Hydroxy-5′-methyl-phenyl)benzotriazole
2-(2H-1,2,3-Benzotriazol-2-yl)-4-methylphenol
2-(2-hydroxy-5-methyl-phenyl)-2H-benzotriazole
CAS 2440-22-4
EINECS 219-470-5
InChI InChI=1/C13H11N3O/c1-9-6-7-13(17)12(8-9)16-14-10-4-2-3-5-11(10)15(14)16/h2-8,17H,1H3
InChIKey MCPKSFINULVDNX-UHFFFAOYSA-N

2440-22-4 – Physico-chemical Properties

Molecular Formula C13H11N3O
Molar Mass 225.25
Density 1.38
Melting Point 125.5-129.5°C(lit.)
Boling Point bp10 225°
Flash Point 54°C
Water Solubility 173μg/L at 20℃
Solubility DMSO (Slightly), Methanol (Slightly)
Vapor Presure 0Pa at 20℃
Appearance Colorless crystal
Color Off-White to Pale Yellow
Merck 14,3447
pKa 8.15±0.43(Predicted)
Storage Condition 15-25°C
Refractive Index 1.5600 (estimate)
MDL MFCD00022903
Physical and Chemical Properties Appearance: light yellow crystal or powderContent: ≥ 99% (HPLC)Melting Point: 128-132 ℃transmittance:440nm≥98%500nm≥99%
Use Used as polyester, polystyrene, acrylic resin, polyvinyl chloride and other plastics, fiber and coating of the ultraviolet absorber

2440-22-4 – Risk and Safety

Hazard Symbols Xi – Irritant
Risk Codes R36/37/38 – Irritating to eyes, respiratory system and skin.
R53 – May cause long-term adverse effects in the aquatic environment
R43 – May cause sensitization by skin contact
Safety Description S22 – Do not breathe dust.
S24/25 – Avoid contact with skin and eyes.
S36/37 – Wear suitable protective clothing and gloves.
WGK Germany 1
RTECS GO6860000
HS Code 29339900
Toxicity LD50 oral in mouse: 6500mg/kg

 Reference Information

LogP 4.2 at 25℃
features & uses as ultraviolet absorber, this product is mainly suitable for polyester, epoxy cellulose acetate, polyvinyl chloride, polystyrene, plexiglass, polyacrylonitrile resin, etc. The maximum absorption wavelength range is 270-380nm. General dosage: 0.1-0.5% for thin products and 0.05-0.2% for thick products.
store avoid yang, high light, moisture, and avoid light stabilizers containing sulfur or halogen elements. It needs to be stored under sealed, dry and dark conditions.
use used as ultraviolet absorber for plastics, fibers and coatings such as polyester, polystyrene, acrylic resin, polyvinyl chloride

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