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Other Organic Building Blocks

Irgafos 126

Available on request

Order Irgafos 126 (CAS 26741-53-7) online at Zemixal: C33H50O6P2, COA and SDS with every lot, worldwide shipping. Packs from 100 mg.

Pack sizes
Irgafos 126 chemical structure
CAS number26741-53-7
FormulaC33H50O6P2
Molar mass604.7 g/mol
InChIKeyAIBRSVLEQRWAEG-UHFFFAOYSA-N
IUPAC name3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane

About Irgafos 126

Irgafos 126 sits in our other Organic Building Blocks section and ships worldwide from stock or short lead time. Identity at a glance: CAS 26741-53-7, formula C33H50O6P2 and molar mass 604.7 g/mol.

Typical applications

  • Organic synthesis
  • API synthesis

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319, H335 and H410. Read the SDS before first use.

Order it in 100 mg, 250 mg, 1 g and 5 g packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Specifications and identifiers

Specifications of Irgafos 126
Product nameIrgafos 126
Catalogue numberZX-034367
CAS number26741-53-7
IUPAC name3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
Molecular formulaC33H50O6P2
Molar mass604.7 g/mol
Exact mass604.3083
XLogP39.9
H-bond donors / acceptors0 / 6
Topological polar surface area55.4 Ų
InChIKeyAIBRSVLEQRWAEG-UHFFFAOYSA-N
SMILESCC(C)(C)C1=CC(=C(C=C1)OP2OCC3(CO2)COP(OC3)OC4=C(C=C(C=C4)C(C)(C)C)C(C)(C)C)C(C)(C)C
PubChem CID93101
Synonyms3,9-bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane, Antioxidant 626, ADK Stab PEP 24, Antioxidant 242, Bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, Alkanox P 24, Doverphos S 9432, ADK Stab PEP 24G, Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite, AT 626, Phosphorous acid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl) ester, 3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5)undecane

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Irgafos 126
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Irgafos 126

Which CAS number identifies Irgafos 126?
Irgafos 126 is registered under CAS 26741-53-7. You may also see it listed as 3,9-bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane, Antioxidant 626, ADK Stab PEP 24. Our catalogue number for this item is ZX-034367.
What are the formula and molar mass of Irgafos 126?
For Irgafos 126, its formula is C33H50O6P2 and its molar mass is 604.7 g/mol. The systematic (IUPAC) name is 3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane. InChIKey AIBRSVLEQRWAEG-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Irgafos 126?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Irgafos 126?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Irgafos 126 to my country?
Yes. Because Irgafos 126 is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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