Secondary Antioxidant 626
Cov ntaub ntawv tseem ceeb:
Khoom npe: Secondary Antioxidant 626
Lub npe tshuaj: Bis (2, 4-ditert-butylphenyl) pentaerythritol bisdiphosphite
Synonyms: Secondary Antioxidant 626; 3.9-bis (2,4-di-tert-butylphenoxy) -2,4,8,10-tetraoxa-3,9-diphosphaspiro [5.5] undecane
CAS Nr .: 26741-53-7
Cov mis mos molecular: C33H50O6P2
Molecular Luj: 604.69
EINECS Number: 247-952-5
Tus qauv qauv:
Yam khoom muaj xws li: yas additives; antioxidant; organic tshuaj raw khoom;
Melting point: 170-180 ° C
Kub taw tes: 555.8 ± 50.0 ° C (Predicted)
Cov ntsiab lus tshauv: ≤1.00%
Ceev: 166 [ntawm 20 ℃] Ceev: 166 [ntawm 20 ℃]
Solubility: yooj yim soluble nyob rau hauv toluene, chloromethane, chloroform thiab lwm yam organic solvents, me ntsis soluble nyob rau hauv cawv, insoluble nyob rau hauv dej.
Khoom: hmoov dawb.
LogP: 10.9 ntawm 25 ℃
| Specification | Chav tsev | Txuj |
| Qhov tshwm sim | Dawb hmoov | |
| Melting point | ℃ | 170.0-180.0 Nws |
| Cov ntsiab lus tshauv | % | ≤ 1.00 |
| Acid nqi | mgKOH/g | ≤ 1.00 |
| 2,4- PAB | % | ≤ 1.00 |
| Cov ntsiab lus tseem ceeb | % | ≥95.0 |
Nqe lus piav qhia: Ua tau zoo phosphite - theem nrab antioxidant
Nta: Tsis tshua muaj volatile, ua haujlwm ntau dua, thiab siv ntau dua nrog kev cuam tshuam phenolic antioxidants.
Raws li cov organic polymer auxiliary antioxidant, tsis tshua muaj volatility, ntau dua efficiency, feem ntau nrog blocked phenol lub ntsiab antioxidant 1010,1076, nrog zoo synergistic nyhuv; tuaj yeem siv nrog benzotriazole ultraviolet absorber thiab thaiv amine photostabilizer hauv cov khoom sab nraum zoov;
Muaj feem xyuam rau: polyolefin thiab olefin copolymer, polycarbonate, polyamides thiab lwm yam engineering yas, roj hmab thiab elastomers, coatings thiab adhesives.
Ntxiv tus nqi: 0.05-0.2%, qhov tshwj xeeb ntxiv tus nqi txiav txim siab raws li cov neeg siv khoom thov kev xeem.
Paceked nyob rau hauv 20 Kg / 25 Kg carton / aluminium foil hnab.
Los yog ntim raws li cov neeg siv khoom xav tau.
Khaws kom tsim nyog hauv qhov chaw qhuav hauv qab 25 ℃ nrog lub txee lub neej ntawm ob xyoos.
Secondary Antioxidant 168
Secondary Antioxidant 636
Secondary Antioxidant 412S
Secondary Antioxidant TNPP
Thov hu rau peb rau txhua yam ntaub ntawv ntsig txog.
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