Irgafos P-EPQ
Irgafos P-EPQ (CAS 38613-77-3) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg. Catalogue no. ZX-010537.
About Irgafos P-EPQ
Zemixal supplies Irgafos P-EPQ within its pharma Intermediates & Building Blocks portfolio. For your records (Reference Standard), the material is defined by CAS 38613-77-3, formula C68H92O4P2 and molar mass 1035.4 g/mol.
Use cases we see most often
- Organic synthesis
- API synthesis
Safe handling
Hazard communication follows GHS (Warning: H332, H400 and H410). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. Every shipment includes 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
| Product name | Irgafos P-EPQ |
|---|---|
| Catalogue number | ZX-010537 |
| CAS number | 38613-77-3 |
| IUPAC name | [4-[4-bis(2,4-ditert-butylphenoxy)phosphanylphenyl]phenyl]-bis(2,4-ditert-butylphenoxy)phosphane |
| Molecular formula | C68H92O4P2 |
| Molar mass | 1035.4 g/mol |
| Exact mass | 1034.6471 |
| Grade | Reference Standard |
| XLogP3 | 23.5 |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 36.9 Ų |
| InChIKey | BEIOEBMXPVYLRY-UHFFFAOYSA-N |
| SMILES | CC(C)(C)C1=CC(=C(C=C1)OP(C2=CC=C(C=C2)C3=CC=C(C=C3)P(OC4=C(C=C(C=C4)C(C)(C)C)C(C)(C)C)OC5=C(C=C(C=C5)C(C)(C)C)C(C)(C)C)OC6=C(C=C(C=C6)C(C)(C)C)C(C)(C)C)C(C)(C)C |
| PubChem CID | 93207 |
| Synonyms | Tetrakis(2,4-di-tert-butylphenyl)-1,1-biphenyl-4,4'-diylbisphosphonite, Irganox P-EPQ, AO 110, Tetrakis(2,4-di-tert-butylphenyl-4,4'-biphenylylene-diphosphonite), Tetrakis(2,4-di-tert-butylphenyl) (1,1-biphenyl)-4,4'-diylbisphosphonite, tetrakis(2,4-di-tert-butylphenyl) [1,1-biphenyl]-4,4'-diylbisphosphonite, Tetrakis(2,4-di-tert-butylphenyl) [1,1'-biphenyl]-4,4'-diylbis(phosphonite), Irgafos PEPQ, tetrakis(2,4-di-tert-butylphenyl)[1,1'-biphenyl]-4,4'-diylbisphosphonite, Sandostab P-EPQ, Sandostab PEPQ, Irgaphos P-EPO |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H332Harmful if inhaled
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P261, P271, P273, P304 + P340, P317, P391, 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
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 500 mg | Quoted on request | |
| 1 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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