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VAQORAIrgafos P-EPQ
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)
CAS No.38613-77-3
FormulaC68H92O4P2
Mol. weight1,035.40
Catalogue No.VQ-011479
PurityReference Standard
HSN—
Irgafos P-EPQ (CAS 38613-77-3) – organic building block. C68H92O4P2, MW 1035.4. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
250 mg
500 mg
1 g
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Irgafos P-EPQ
Irgafos P-EPQ is an organic building block carrying the CAS registry number 38613-77-3. Formula C68H92O4P2, molecular weight 1035.4 g/mol. Its systematic (IUPAC) name is [4-[4-bis(2,4-ditert-butylphenoxy)phosphanylphenyl]phenyl]-bis(2,4-ditert-butylphenoxy)phosphane. Common synonyms include Irganox P-EPQ and AO 110.
Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.
It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.
Vaqora Chemicals supplies Irgafos P-EPQ in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. Stock is available for quick dispatch. SDS and detailed specification sheets can be requested with your quotation.
Specifications & identifiers
| Product name | Irgafos P-EPQ |
|---|---|
| Catalogue No. | VQ-011479 |
| 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 |
| Molecular weight | 1035.4 g/mol |
| Exact mass | 1034.6471 |
| Grade | Reference Standard |
| 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 |
| Physical form | Other |
|---|---|
| LogP (XLogP3) | 23.5 |
| H-bond donors / acceptors | 0 / 4 |
| TPSA | 36.9 Ų |
| 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 |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H332Harmful if inhaledH400Very toxic to aquatic lifeH410Very toxic to aquatic life with long lasting effects
Precautionary statements: P261, P271, P273, P304 + P340, P317, P391, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Irgafos P-EPQ?
The CAS Registry Number of Irgafos P-EPQ is 38613-77-3. It is also known as Tetrakis(2,4-di-tert-butylphenyl)-1,1-biphenyl-4,4'-diylbisphosphonite, Irganox P-EPQ, AO 110.
What is the molecular formula and molecular weight of Irgafos P-EPQ?
Irgafos P-EPQ has the molecular formula C68H92O4P2 and a molecular weight of 1035.4 g/mol. Its IUPAC name is [4-[4-bis(2,4-ditert-butylphenoxy)phosphanylphenyl]phenyl]-bis(2,4-ditert-butylphenoxy)phosphane.
Which grade and pack sizes of Irgafos P-EPQ can I order?
We supply Irgafos P-EPQ in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Irgafos P-EPQ?
Yes. Every lot of Irgafos P-EPQ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Irgafos P-EPQ be shipped internationally?
Yes. Irgafos P-EPQ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Irgafos P-EPQ
We reply within one business day with price, pack options, lead time and documentation.
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