Ultranox 626
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- $5 - $1779
- Product name: Ultranox 626
- CAS: 26741-53-7
- MF: C33H50O6P2
- MW: 604.69
- EINECS:247-952-5
- MDL Number:MFCD00071521
- Synonyms: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;Alknox P-24(Great Lake)Ultranox 626(GE)
65 prices
Selected condition：
Brand
- A2B
- aablocks
- AK Scientific
- Alichem
- Ambeed
- American Custom Chemicals Corporation
- Ark Pharm
- Biosynth
- Chemenu
- ChemScene
- Crysdot
- Matrix Scientific
- TCI Chemical
- TRC
Package
- 5MG
- 25mg
- 100mg
- 1g
- 5.00g
- 5g
- 10g
- 25g
- 25.00g
- 50g
- 100g
- 250g
- 500g
- 1kg
- 1000g
- 2000g
- 5000g
- ManufacturerA2B
- Product numberAI67663
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%
- Packaging5g
- Price$8
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI67663
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%
- Packaging25g
- Price$11
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI67663
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%
- Packaging100g
- Price$12
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI67663
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%
- Packaging500g
- Price$56
- Updated2026-05-25
- Buy
- ManufacturerA2B
- Product numberAI67663
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%
- Packaging1kg
- Price$95
- Updated2026-05-25
- Buy
- Manufactureraablocks
- Product numberAA00ILKJ
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 98%
- Packaging500g
- Price$68
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00ILKJ
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%GC
- Packaging25g
- Price$12
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00ILKJ
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%GC
- Packaging5g
- Price$8
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00ILKJ
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 98%
- Packaging100g
- Price$14
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00ILKJ
- Product description3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 98%
- Packaging1kg
- Price$115
- Updated2026-05-29
- Buy
- ManufacturerAK Scientific
- Product numberO821
- Product descriptionBis(2,4-di-tert-butylphenyl)pentaerythritoldiphosphite
- Packaging25g
- Price$117
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberJ62858
- Product descriptionBis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite 95%
- Packaging1kg
- Price$135
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberO821
- Product descriptionBis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite 97%
- Packaging1kg
- Price$181
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberO821
- Product descriptionBis(2,4-di-tert-butylphenyl)pentaerythritoldiphosphite
- Packaging100g
- Price$351
- Updated2021-12-16
- Buy
- ManufacturerAK Scientific
- Product numberO821
- Product descriptionBis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite 97%
- Packaging5g
- Price$16
- Updated2026-06-04
- Buy
- ManufacturerAK Scientific
- Product numberO821
- Product descriptionBis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite 97%
- Packaging25g
- Price$21
- Updated2026-06-04
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| A2B | AI67663 | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97% | 5g | $8 | 2026-05-25 | Buy |
| A2B | AI67663 | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97% | 25g | $11 | 2026-05-25 | Buy |
| A2B | AI67663 | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97% | 100g | $12 | 2026-05-25 | Buy |
| A2B | AI67663 | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97% | 500g | $56 | 2026-05-25 | Buy |
| A2B | AI67663 | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97% | 1kg | $95 | 2026-05-25 | Buy |
| aablocks | AA00ILKJ | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 98% | 500g | $68 | 2026-05-29 | Buy |
| aablocks | AA00ILKJ | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%GC | 25g | $12 | 2026-05-29 | Buy |
| aablocks | AA00ILKJ | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 97%GC | 5g | $8 | 2026-05-29 | Buy |
| aablocks | AA00ILKJ | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 98% | 100g | $14 | 2026-05-29 | Buy |
| aablocks | AA00ILKJ | 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane 98% | 1kg | $115 | 2026-05-29 | Buy |
| AK Scientific | O821 | Bis(2,4-di-tert-butylphenyl)pentaerythritoldiphosphite | 25g | $117 | 2021-12-16 | Buy |
| AK Scientific | J62858 | Bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite 95% | 1kg | $135 | 2026-06-04 | Buy |
| AK Scientific | O821 | Bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite 97% | 1kg | $181 | 2026-06-04 | Buy |
| AK Scientific | O821 | Bis(2,4-di-tert-butylphenyl)pentaerythritoldiphosphite | 100g | $351 | 2021-12-16 | Buy |
| AK Scientific | O821 | Bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite 97% | 5g | $16 | 2026-06-04 | Buy |
| AK Scientific | O821 | Bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite 97% | 25g | $21 | 2026-06-04 | Buy |
Properties
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. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :Chloroform (Slightly), Hexanes (Slightly, Heated)
form :Solid
color :White to Off-White
Water Solubility :93μg/L at 25℃
Stability :Hygroscopic
InChIKey :AIBRSVLEQRWAEG-UHFFFAOYSA-N
SMILES :C1C2(COP(OC3=CC=C(C(C)(C)C)C=C3C(C)(C)C)OC2)COP(OC2=CC=C(C(C)(C)C)C=C2C(C)(C)C)O1
LogP :10.9 at 25℃
CAS DataBase Reference :26741-53-7(CAS DataBase Reference)
EPA Substance Registry System :Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite (26741-53-7)
Boiling point :555.8±50.0 °C(Predicted)
Density :1.166[at 20℃]
vapor pressure :0Pa at 25℃
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :Chloroform (Slightly), Hexanes (Slightly, Heated)
form :Solid
color :White to Off-White
Water Solubility :93μg/L at 25℃
Stability :Hygroscopic
InChIKey :AIBRSVLEQRWAEG-UHFFFAOYSA-N
SMILES :C1C2(COP(OC3=CC=C(C(C)(C)C)C=C3C(C)(C)C)OC2)COP(OC2=CC=C(C(C)(C)C)C=C2C(C)(C)C)O1
LogP :10.9 at 25℃
CAS DataBase Reference :26741-53-7(CAS DataBase Reference)
EPA Substance Registry System :Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite (26741-53-7)
Safety Information
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| Signal word: | Warning | ||||||||||||||
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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.More related product prices
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