| Identification | More | [Name]
Antioxidant 24 | [CAS]
26741-53-7 | [Synonyms]
3,9-bis(2,4-bis(1,1-dimethylethyl)phenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5)undecane
ADK Stab PEP 24
antioxidant 24
Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite
mark pep 24
Ultranox 626
3,9-bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
BIS-(2,4-DI-TERT-BUTYLPHENYL)PENTAERYTHRITOL DIPHOSPHITE (ULTRANOX 626)
2,4,8,10-Tetraoxa-3,9-diphosphaspiro5.5undecane, 3,9-bis2,4-bis(1,1-dimethylethyl)phenoxy-
3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5)undecan
4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis[2,4-bis(1,1-dimethylethyl)phenoxy]-2
phosphorous acid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl)ester
Bis-(2,4-di-tert-butylphenyl)-pentaerythrityl diphosphite
Alknox P-24(Great Lake)Ultranox 626(GE)
cyclic neopentanetetrayl bis(di-tert-butylphenyl)phosphite
Antioxidant AT-626
2,2'-Bis(2,4-di-tert-butylphenoxy)spiro[1,3,2-dioxaphosphorinane-5,5'-[1,3,2]dioxaphosphorinane]
Alkanox-P-24 | [EINECS(EC#)]
247-952-5 | [Molecular Formula]
C33H54O8P2 | [MDL Number]
MFCD00071521 | [Molecular Weight]
640.72 | [MOL File]
26741-53-7.mol |
| Questions And Answer | Back Directory | [Appearance]
Ultranox 626 is a white powder or granule. | [Application]
Antioxidant 626 (ultranox 626) is Approved by the FDA for food contact applications under 21CFRl78.2010 covering antioxidants and/or stabilizers for poly-mers. |
| Chemical Properties | Back Directory | [Melting point ]
160-178°C | [Boiling point ]
555.8±50.0 °C(Predicted) | [density ]
1.166[at 20℃] | [vapor pressure ]
0Pa at 25℃ | [storage temp. ]
Inert atmosphere,2-8°C | [solubility ]
Chloroform (Slightly), Hexanes (Slightly, Heated) | [form ]
Solid | [color ]
White to Off-White | [Water Solubility ]
93μg/L at 25℃ | [Stability:]
Hygroscopic | [LogP]
10.9 at 25℃ | [CAS DataBase Reference]
26741-53-7(CAS DataBase Reference) | [EPA Substance Registry System]
26741-53-7(EPA Substance) |
| Hazard Information | Back Directory | [Description]
Antioxidant 626 is a white to off-white powdery substance with low volatility and higher efficiency. It is often used in combination with hindered phenolic antioxidants. | [Characteristics]
Excellent colour stability during compounding, fabrication and end-use.
Reduction in polymer degradation during processing.
Improved gas fading performance in many applications.
High performance at low loading levels for more cost-effective formulations.
Higher phosphorous content than competitive phosphite antioxidants.
Synergism when used with light stabilizers such as benzophenones and benzotriazoles. | [Uses]
Antioxidant 626 is suitable for: polyolefin and olefin copolymers, polycarbonate, polyamide and other engineering plastics, rubber and elastomers, coatings and adhesives. | [Definition]
Ultranox 626 is a solid organophosphite antioxidant that improves gas fading performance and color stability during compounding, fabrication, and end use. It delivers high performance at low loading rates, making this a cost-effective addition to polymer formulas. Ultranox 626 synergizes with benzophenone and benzotriazole light stabilizers. It is so effective that it can replace another phosphite antioxidant in your formula and deliver equivalent performance at a significantly lower dosing rate. | [Flammability and Explosibility]
Notclassified |
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