RIASORB® UV-2908

Identification & Functionality

Chemical Family

Benzoates

Chemical Name

Hexadecyl 3,5-bis-tert-butyl-4-hydroxybenzoate

Plastics & Elastomers Functions

Light Stabilizer,

Stabilizer,

UV Absorber

CAS No.

67845-93-6

EC No.

267-342-2

Technologies

Plastics

Product Families

Plastics — Polymer Additives

Antioxidants & Stabilizers

Chemical Structure

Molecular Formula

C₃₁H₅₄O₃

Features & Benefits

Materials Features

Excellent Compatibility,

High Performance,

Low Volatility

Applications & Uses

Compatible Polymers & Resins

Polyolefins

Use Level

0.05 - 0.3%

Applications

• RIASORB^® UV-2908 is a hydroxy benzoate light stabilizer. It has synergistic effects with antioxidants and hindered amine light stabilizers.
• RIASORB^® UV-2908 is a light stabilizer with low volatility, high-performance and good compatibility with polymer materials. It is used in polyolefin materials.
• The recommended dosage of RIASORB^® UV-2908 is 0.05-0.3%, the exact addition should be determined in trails.

Properties

Physical Form

Powder,

Solid

Appearance

White to off - white powder

Typical Properties

	Value	Units	Test Method / Conditions
Molecular Weight	474	—	—

Solubility

	Value	Units	Test Method / Conditions
Acetone (at 25℃)	56.8	g/100g	—
Methylene Chloride (at 25℃)	min. 100	g/100g	—
Toluene (at 25℃)	80	g/100g	—
Water Content (at 25℃)	min. 100	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. This product may cause skin sensitization. Excess exposure to the product should be avoided. Wash thoroughly after handling.

Storage & Handling

Shelf Life

24 Months

Storage Conditions

Store the product in a cool, dry, well-ventilated area away from incompatible materials, keep away from light, keep tightly closed. With proper storage, shelf life of this product is 24 months from the manufacture date.