Todos Chemical TODOSORB-329/5411

Identification & Functionality

Chemical Name

Octrizole

Plastics & Elastomers Functions

Light Stabilizer,

Stabilizer

CAS No.

3147-75-9

Chemical Formula

C20H25N3O

EC No.

221-573-5

Technologies

Elastomers,

Plastics

Product Families

Elastomers — Elastomer Additives

Antioxidants & Stabilizers

Plastics — Polymer Additives

Antioxidants & Stabilizers

Structural Formula

Features & Benefits

Materials Features

Excellent Light Stability,

Low Volatility,

UV Absorbing

Applications & Uses

Markets

Automotive & Transportation,

Building & Construction,

Consumer Goods,

Industrial

Applications

Building & Construction — Building Envelope & Roofing

Glazing & Window Elements

Automotive & Transportation — Other Automotive & Transportation Applications

Consumer Goods — Other Consumer Goods Applications

Industrial — Other Industrial Applications

Automotive & Transportation — Transportation

Marine

Compatible Polymers & Resins

Acrylics,

Polycarbonates (PC),

Polyethylenes (PE),

Polyvinyl Chloride (PVC)

Plastics & Elastomers End Uses

Automotive Window Encapsulation,

Cup Holders,

Marine Applications

Applications

TODOSORB-329/5411 light stabilizer is especially noted for its broad range UV absorption, low color, low volatility, and excellent solubility. Typical end-uses include molding, sheet, and glazing materials for window lighting, sign, marine and auto applications. Specialty applications for TODOSORB-329/5411 light stabilizer include coatings (particularly themosets where low volatility is a concern), photo products, sealants, and elastomeric materials.

Properties

Physical Form

Powder,

Solid

Appearance

White to slightly yellowish crystalline powder or granule

Typical Properties

	Value	Units	Test Method / Conditions
Ash Content	max. 0.1	%	-
Assay (by GLC)	min. 99	%	-
Color of Solution (Transmission) 440 nm (10g/100ml Toluene)	min. 96	%	-
Color of Solution (Transmission) 440 nm (10g/100ml Toluene)	min. 98	%	-
Loss on Drying	max. 0.3	%	-
Melting Point	103 ~ 107	°C	-
Molecular Weight	323	-	-
Heavy Metals Content (Ca)	max. 2	ppm	AAS
Heavy Metals Content (Fe)	max. 2	ppm	AAS
Heavy Metals Content (K)	max. 2	ppm	AAS
Heavy Metals Content (Na)	max. 2	ppm	AAS
Heavy Metals Content (P)	max. 2	ppm	AAS

Packaging & Availability

Packaging Type

Cartons

Packaging

20 kg in a PE bag
50 kg in a carton inner with 2 PE bags