UV Absorber 234 manufacturer CAS:70321-86-7

Product Name: 2-(2H-Benzo[d][1,2,3]triazol-2-yl)-4,6-bis(2-phenylpropan-2-yl)phenol

Other Name: UV Absorber 234

CAS No: 70321-86-7

MF: C30H29N3O

MW: 447.57100

Density: 1.12 g/cm3

Boiling point: 589.3ºC at 760 mmHg

Melting point: 139-143 °C(lit.)

Flash point: 383 °F(lit.)

UN Number: Not dangerous goods.

UN Proper Shipping Name: Not dangerous goods.

Transport hazard class: Not dangerous goods.

Packing group: Not dangerous goods.

Specification

Appearance: Light yellow powder

Assay: ≥99%

Ash: ≤0.05%

Volatile: ≤0.50%

Transmittance: 460nm≥97%; 500nm≥98%

Application

UV Absorber 234 is an excellent light stabilizer for PP, TPE, hard PVC, POM, PA, PC, PBT/PET, PMMA and so on.

Package: Packed in cardboard drum lined with plastic bag, net weight 25kg/drum, can also be designed according to customer requirements.

Storage: UV-absorbing agent UV-234 is non-toxic, non-flammable, non-explosive, non-corrosive, and has good storage stability.

TEST	UNIT	SPECIFICATION
APPEARANCE		OFF WHITE POWDER
ASSAY	%	99.00MIN
VOLATILES	%	0.50MAX
ASH	%	0.10MAX
MELTING POINT	℃	137.00-141.00
TRANSMITTANCE
460nm	%	97.00MIN
500nm	%	98.00MIN

TGA:330℃（5%） 350℃（10%）398℃（50%）

Our company is a professional supplier of functional material additives. Our products include antioxidants, ultraviolet absorbers, light stabilizers, photoinitiators, heat stabilizers, nucleating agents, flame retardants, polyurethane chain extenders, nano light absorbing materials, antibacterial materials, functional masterbatches, colorants etc. After years of steadfast industry accumulation and technological innovation, a relatively complete additive industry chain has been formed in the rubber and plastic industry, ink industry, coating industry, textile printing and dyeing industry, functional resin and other industries. Significant achievements have been made in the field of additives.