RIANOX® 450

Identification & Functionality

Chemical Family

Phosphites

Chemical Name

4,4'-Butylidenebis(6-tert-butyl-3-methylphenyl ditridecyl phosphite)

Plastics & Elastomers Functions

Antioxidant,

Secondary Antioxidant

CAS No.

13003-12-8

EC No.

235-841-4

Technologies

Elastomers,

Plastics

Product Families

Elastomers — Elastomer Additives

Antioxidants & Stabilizers

Plastics — Polymer Additives

Antioxidants & Stabilizers

Molecular Formula

C₇₈H₁₄₄O₆P₂

Chemical Structure

R=C₁₃ Alkyl

Features & Benefits

Labeling Claims

Food Contact Acceptable

Materials Features

Food Contact Acceptable,

Good Processability,

Good Thermal Stability,

High Hydrolytic Stability

Applications & Uses

Compatible Polymers & Resins

Acrylonitrile Butadiene Styrene (ABS),

Polyolefins,

Polystyrenes (PS),

Polyurethanes (PU),

Polyvinyl Chloride (PVC)

Use Level

0.1 - 0.4%

Applications

• RIANOX^® 450 is a liquid phosphite antioxidant which can be used in PVC, rubber, polyolefin, ABS, PS,  PU etc.
• RIANOX^® 450 offers excellent process stability and long-term heat stability of polymers.
• RIANOX^® 450 is permitted in food contact materials. The recommended dosage is 0.10%-0.40%, the specific dosage should be determined in trials covering a concentration range.

Properties

Physical Form

Liquid

Appearance

Slightly yellow liquid

Typical Properties

	Value	Units	Test Method / Conditions
Molecular Weight	1238	—	—

Regulatory & Compliance

Certifications & Compliance

ISO 14001,

OHSAS

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

18 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 18 months from the manufacture date.