A PPD-Q and an oxidized derivative of OPPD
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OPPD-Q

Item No. 40614

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
2-(octylamino)-5-(phenylamino)-2,5-cyclohexadiene-1,4-dione
CAS Number
2952779-34-7
Synonyms
  • 4-(2-Octylamino)diphenylamine-quinone
  • OPPD-quinone
Molecular Formula
C20H26N2O2
Formula Weight
326.4
Purity
≥95%
Formulation
A solid
Solubility(Learn about Variance in Solubility)
Chloroform: Sparingly soluble: 1-10 mg/mlMethanol: Slightly soluble: 0.1-1 mg/ml
SMILES
O=C(C(NC1=CC=CC=C1)=C2)C=C(NCCCCCCCC)C2=O
InChi Code
InChI=1S/C20H26N2O2/c1-2-3-4-5-6-10-13-21-17-14-20(24)18(15-19(17)23)22-16-11-8-7-9-12-16/h7-9,11-12,14-15,21-22H,2-6,10,13H2,1H3
InChi Key
LPULMOIFOFPZHA-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    500 µg

    $71

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    1 mg

    $135

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    5 mg

    $634

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    Cayman Chemical
    Visit Our Environmental Toxicology Resource Center

    Explore additional resources to study natural toxins, pollutants including PFAS and 6-PPD-Q, and their biological effects.

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    Product Description

    OPPD-Q is a p-phenylenediamine quinone (PPD-Q) and an oxidized derivative of the aromatic amine antioxidant OPPD (Item No. 40732).1 Unlike 6-PPD-Q (Item No. 38247), OPPD-Q is not toxic to rainbow trout (O. mykiss) when used at concentrations up to 50 µg/L for 96 hours.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Nair, P., Sun, J., Xie, L., et al. Synthesis and toxicity evaluation of p-phenylenediamine-quinones. Environ. Sci. Technol. 59(15), 7485-7494 (2025).