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PUREstab 245 DW

PUREstab 245 DW consists of aqueous dispersion of PUREstab 245 which is a sterically hindered phenolic primary antioxidant. PUREstab 245 DW is particularly suitable for polyvinyl chloride (PVC). It stabilize the substrates against thermo-oxidative degradation during manufacturing, processing and end use.

Brand: PUREstab (24 products)

Functions: Chain Terminating Agent, Primary Antioxidant

Chemical Family: Phenols & Phenolics

Compatible Polymers & Resins: Polyvinyl Chloride (PVC)

Synonyms: Ethylenebis(oxyethylene) bis[3-(5-tert-butyl-4-hydroxy-m-tolyl)propionate], Ethylenebis(oxyethylene)bis-(3-(5-tert-butyl-4-hydroxy-m-tolyl)-propionate), Ethylenebis(oxyethylene)bis(3-tert-butyl-4-hydroxy-5-methylbenzenepropanoate), Triethylene glycol bis-[3-(3-t ert-butyl-4-hydroxy-5-methylphenyl)propionate], Triethylene glycol bis-[3-(3′-tert-butyl-4′-hydroxy-5′-methylphenyl)propionate], Triethylene glycol bis(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate, Triethylene glycol bis[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate], Triethylene glycol bis[3-(3-tert-butyl-5-methyl-4-hydroxyphenyl)propionate], Triethylene glycol bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate], Triethylene glycol bis[β-(3-tert-butyl-5-methyl-4-hydroxyphenyl)propionate], Triethylene glycol bis[β-(5-tert-butyl-4-hydroxy-3-methylphenyl)propionate]

Safety Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family
Phenols & Phenolics
Chemical Name
Antioxidant 245
Plastics & Elastomers Functions
Chain Terminating Agent,
Primary Antioxidant
CAS No.
36443-68-2
EC No.
253-039-2
Technologies
Plastics
Product Families
Plastics — Polymer Additives
Antioxidants & Stabilizers
Chemical Structure

PUREstab 245 DW - Chemical Structure

Features & Benefits

Materials Features
Excellent Processing Stability,
Good Thermal Stability,
Low Odor,
Prevents Thermo-Oxidative Degradation
Key Attributes

PUREstab 245 DW reports excellent chain terminating properties during PVC polymerization in which its desired amount can be easily added or dosed into the polymerization system. PUREstab 245 DW also provides excellent processing and long-term thermal stability to plastics.

Applications & Uses

Compatible Polymers & Resins
Polyvinyl Chloride (PVC)
Product Applications

PUREstab 245 DW is a highly effective antioxidant and process stabilizer particularly in PVC. In addition to imparting thermostability to the finished polymer, PUREstab 245 DW is effective as chain stopper during PVC polymerization.
Recommended concentrations of PUREstab 245 DW as chain stopper for PVC polymerization ranging from 0.03 to 0.08%

Properties

Color
White
Physical Form
Liquid
Appearance
Viscous White Liquid
Physical Properties
ValueUnitsTest Method / Conditions
Particle Size Distribution1 - 10 μm-
Density (at 25°C)1.05g/mL-
Vapor Pressure (at 20°C)4.0e-08Pa-
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Active Content39 - 41%-

Storage & Handling

Product Handling

PUREstab 245 DW exhibits a very low order of oral toxicity and does not present any unusual difficulties in its handling or general use. In accordance with good industrial practice, handle with care and avoid unnecessary personal contact. Avoid continuous or repetitive breathing of dust. Use only with adequate ventilation. Avoid dust formation and ignition sources.

Product Storage

Stored this material in a sealed container. Containers should be kept tightly closed when not in use and stored in a cool, dry place.