Antioxidant 168 CAS#31570-04-4

CAS Number: 31570-04-4
Chemical Formula: C42H63O3P
Synonyms:

Phenol,2,4-bis(1,1-dimethylethyl,phosphite(3:1)
tri(2,4-Ditertrabutylphenyl)phosphiteester
4-di-tert-butylphenyl)phosphite

Appearance: White Powder

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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Product Details

Antioxidant 168 CAS#31570-04-4

ANTIOXIDANT 168 is a secondary antioxidant with excellent resistance to extraction by water, low volatility and high heat stability. It can effectively decompose hydroperoxides produced during the processing of polymeric materials. ANTIOXIDANT 168 usually not used alone, is compounded with hindered phenolic primary antioxidants such as 1010 to improve thermostability of polymer during the processing. There are over ten kinds of blends of 168 with phenolic antioxidants, widely use in the polymer materials such as PE, PP, PA, PC, ABS and so on.

Antioxidant 168 Chemical Properties

Melting point	181-184 °C(lit.)
Boiling point	594.2±50.0 °C(Predicted)
density	-0.98
Fp	46°C (115°F)
storage temp.	2-8°C
solubility	Acetonitrile (Slightly), Chloroform (Sparingly), Ethyl Acetate (Sparingly, Heate
form	Powder
color	white
Specific Gravity	0.98
Sensitive	moisture sensitive
Hydrolytic Sensitivity	4: no reaction with water under neutral conditions
Stability:	Moisture Sensitive
InChIKey	JKIJEFPNVSHHEI-UHFFFAOYSA-N
SMILES	CC(C)(C)c1ccc(OP(Oc2ccc(cc2C(C)(C)C)C(C)(C)C)Oc3ccc(cc3C(C)(C)C)C(C)(C)C)c(c1)C(C)(C)C
LogP	18 at 25℃
CAS DataBase Reference	31570-04-4(CAS DataBase Reference)
EPA Substance Registry System	Tris(2,4-di-tert-butylphenyl) phosphite (31570-04-4)

Safety Information

WGK Germany	-
TSCA	TSCA listed
HS Code	2920900002
Storage Class	13 - Non Combustible Solids

Product Application Of Antioxidant 168 CAS#31570-04-4

The application range of Antioxidant 168 -synergistically combined with other Ciba anti-oxidants - comprises polyolefins and olefin-copolymers such as polyethylene (e.g. HDPE, LLDPE), polypropylene, polybutene and ethylene-vinylacetate copolymers as well as polycarbonates and polyamides. The blends can also be used in polyesters, styrene homo- and copolymers, adhesives and natural and synthetic tackifier resins, elastomers such as BR, SEBS, SBS, and other organic substrates. Antioxidant 168 blends can be used in combination with light stabilizers of the TINUVIN and CHIMASSORB range.

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