RIASORB® UV-234

RIASORB® UV-234 is a light stabilizer belonging to the benzotriazole class of UVAs.

Brand: RIASORB (44 products)

Chemical Family: Benzotriazoles

Functions: Light Stabilizer, UV Absorber

Features: Crack Resistance, Good Compatibility, Good Gloss Retention, Good Heat Stability, Good Light Stability, High Durability, High Performance, Low Volatility

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family: Benzotriazoles
Chemical Name: 2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol
CASE Ingredients Functions: Light Stabilizer,
UV Absorber
CAS No.: 70321-86-7
EC No.: 274-570-6
Technologies: CASE Ingredients
Product Families: CASE Ingredients — Additives
Functional Additives
Molecular Formula: C₃₀H₂₉N₃O
Chemical Structure

Features & Benefits

CASE Ingredients Features: Crack Resistance,
Good Compatibility,
Good Gloss Retention,
Good Heat Stability,
Good Light Stability,
High Durability,
High Performance,
Low Volatility

Applications & Uses

Use Level

1 - 3%

Applications

RIASORB® UV-234C is a benzotriazole UV absorber, providing high thermal stability, excellent photostability. These combinations make it suitable for high performance coatings, especially those exposed to high thermal or extreme environmental stress.
RIASORB® UV-234C can be used in combination with HALS to achieve superior durability, exhibiting discoloration, gloss reduction, cracking, and delamination.

Properties

Physical Form

Appearance

Slightly yellow granule

Typical Properties


	Value	Units	Test Method / Conditions
Molecular Weight	447	-	-

Solubility


	Value	Units	Test Method / Conditions
Acetone (at 20℃)	4	g/100g	-
Butyl Acetate (at 20℃)	11	g/100g	-
Diethylene Glycol Monobutyl Ether (at 20℃)	max. 0.01	g/100g	-
Ethanol (at 20℃)	max. 0.5	g/100g	-
Methyl N-Amyl Ketone (at 20℃)	5	g/100g	-
n-Hexane (at 20℃)	max. 0.5	g/100g	-
PMA (at 20℃)	2	g/100g	-
Solvesso 100 (at 20℃)	13	g/100g	-
Water Content (at 20℃)	max. 0.01	g/100g	-
Xylene (at 20℃)	10	g/100g	-

Regulatory & Compliance

Certifications & Compliance: ISO 14001,
OHSAS

Technical Details & Test Data

UV Spectra: 10 mg/L in Chloroform

Safety & Health

Handling & Safety: The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling.

Packaging & Availability

Packaging Type: Bags

Storage & Handling

Shelf Life: 24 Months
Storage Conditions: Store the product in a cool, dry, well ventilated area away from incompatible materials, keep tightly closed. With proper storage, shelf life of this product is 24 months from the manufacture date.