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26741-53-7

Basic Information
CAS No.: 26741-53-7
Name: Antioxidant 24
Article Data: 3
Cas Database
Molecular Structure:
Molecular Structure of 26741-53-7 (Antioxidant 24)
Formula: C33H50O6P2
Molecular Weight: 604.704
Synonyms: Phosphorousacid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl) ester (8CI);2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane,3,9-bis(2,4-di-tert-butylphenoxy)- (8CI);Phenol, 2,4-di-tert-butyl-,dihydrogen phosphite cyclic neopentanetetrayl ester (8CI);ADK Stab PEP 24;ADKStab PEP 24G;2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane,3,9-bis[2,4-bis(1,1-dimethylethyl)phenoxy]-;Antioxidant 626;Cyclicneopentanetetrayl bis(2,4-di-tert-butylphenyl phosphite);Di(2,4-di-tert-butylphenyl)pentaerythritol diphosphite;Doverphos S 9432;Irgafos 126;Irgafos 126FF;Mark PEP 24;Mark PEP 24G;Phos 5;Songnox6260;Ultranox 2879A;Ultranox 624;Ultranox 626;Weston 626;Weston MDW 626;
EINECS: 247-952-5
Density: N/A
Melting Point: 160-178 °C
Boiling Point: 555.8 °C at 760 mmHg
Flash Point: 363.9 °C
Solubility: N/A
Appearance: White powder
Hazard Symbols: N/A
Risk Codes: N/A
Safety:
Transport Information: N/A
PSA: 82.56000
LogP: 9.86820
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    ■POLYMER ADDITIVES JADEWIN AN 626 ANTIOXIDANT CHEMICAL COMPONENT COMPONENT Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite CAS 26741-53-7 Molecular C33H50O6P2 M.W 605

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    【Chemical Name】Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite 【CAS NO】26741-53-7 【Molecular Formula】C33H50O6P2 【Molecular Weight】605 【Structure】 Specification TEST UNIT SPECIFICATION

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  • 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane

  • Casno:

    26741-53-7

    3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane

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  • ANTIOXIDANT 626

  • Casno:

    26741-53-7

    ANTIOXIDANT 626

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    Hangzhou Kaixin Technology Co., Ltd. Located in garden international city Hangzhou,China, 1hour by train to Shanghai ,is a high-tech company focused on the development of new technology of pharm&chemical industry and intelligent mechatronics integrat

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    Tel:0086-571-86539522

    Address::Rm . 911 , Jinjun Plaza , 341 , Shuixiang Rd ., Jiangang , Hangzhou , China , 310020.

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  • Antioxidant 24

  • Casno:

    26741-53-7

    Antioxidant 24

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    ProductName:Antioxidant 24 Synonyms:THP-24;Alkanox-P-24;bis(2,4-Di-tert-butylphenyl)pentaerythritol diphosphite;3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane;ADK Stab PEP 24;Antioxidant AT-626;mark pep 24;Ult

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  • Antioxidant 626

  • Casno:

    26741-53-7

    Antioxidant 626

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

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Chemistry

 
IUPAC Name: 3,9-Bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3, 9-diphosphaspiro[5.5]undecane
Molecular Formula: C33H50O6P2
Molecular Weight: 604.69 g/mol
SMILES: O2P(Oc1ccc(cc1C(C)(C)C)C(C)(C)C)OCC3(C2)COP(OC3)Oc4ccc(cc4C(C)(C)C)C(C)(C)C
InChI: InChI=1/C33H50O6P2/c1-29(2,3)23-13-15-27(25(17-23)31(7,8)9)38-40-34-19-33(20-35-40)21-36-41(37-22-33)39-28-16-14-24(30(4,5)6)18-26(28)32(10,11)12/h13-18H,19-22H2,1-12H3
EINECS: 247-952-5
Product Categories: Industrial / Fine Chemicals; Organics
Flash Point: 363.9 °C 
Enthalpy of Vaporization: 80.6 kJ/mol 
Boiling Point: 555.8 °C at 760 mmHg 
Melting Point: 160-178 °C
Vapour Pressure of Antioxidant 24 (CAS NO.26741-53-7): 8.01E-12 mmHg at 25 °C

Toxicity Data With Reference

1.    

orl-rat LD50:5580 mg/kg

    EPASR*    United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401M St., S.W., Washington, DC 20460) History Unknown 8EHQ-1287-0706 .
2.    

ihl-rat LC50:>2 g/m3

    EPASR*    United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401M St., S.W., Washington, DC 20460) History Unknown 8EHQ-1287-0706 .
3.    

skn-rbt LD50:>200 mg/kg

    EPASR*    United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401M St., S.W., Washington, DC 20460) History Unknown 8EHQ-1287-0706 .

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Low toxicity by ingestion, inhalation, and skin contact. When heated to decomposition it emits toxic vapors of POx.

Specification

 Antioxidant 24 (CAS NO.26741-53-7), its Synonyms are 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 ; Mark pep 24 ; Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite ; Ultranox 626 ; 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane .

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