Phenolphthalin [for redox indicator] - ≥98%(HPLC)(T) , CAS No.81-90-3

CAS: 81-90-3 Cat. No.: P160787 Summenformel: C20H16O4 Molekulargewicht: 320.34 Beilstein Registry Number: 10(3)2013 PubChem CID: 66494
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GRADE & PURITY ≥98%(HPLC)(T)
Synonyms
2-[Bis(4-hydroxyphenyl)methyl]benzoic acid | 2-[Bis(4-hydroxyphenyl)-methyl]benzoic acid | FT-0713363 | Mondane Plus | Darmol | Ex-Lax | NCGC00257471-01 | AKOS001664686 | MLS001055365 | NCGC00259249-01 | BIDD:ER0212 | NCGC00091015-02 | NCGC00091015-04 | C
Storage
Room temperature
Shipped In
Normal
★
Size
Deutschland (EU)
USA*
Price
Qty
5g
P160787-5g
Auf Bestellung · 8–12 Wochen
15,53€
25g
P160787-25g
—
1 Auf Lager
69,33€
100g
P160787-100g
—
2 Auf Lager
178,67€
500g
P160787-500g
—
1 Auf Lager
642,91€
Enter a quantity for the sizes you want to add.
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Why this grade

≥98%(HPLC)(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyme
2-[Bis(4-hydroxyphenyl)methyl]benzoic acid | 2-[Bis(4-hydroxyphenyl)-methyl]benzoic acid | FT-0713363 | Mondane Plus | Darmol | Ex-Lax | NCGC00257471-01 | AKOS001664686 | MLS001055365 | NCGC00259249-01 | BIDD:ER0212 | NCGC00091015-02 | NCGC00091015-04 | C
Spezifikationen & Reinheit
≥98%(HPLC)(T)
Storage
Room temperature
Verschickt in
Normal
Reinheit
≥98%(HPLC)(T)
Namen und Kennungen
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488183797
Kanonisches Lächeln
C1=CC=C(C(=C1)C(C2=CC=C(C=C2)O)C3=CC=C(C=C3)O)C(=O)O
IUPAC Name
2-[bis(4-hydroxyphenyl)methyl]benzoic acid
InChIKey
FFFPYJTVNSSLBQ-UHFFFAOYSA-N
INCHI
1S/C20H16O4/c21-15-9-5-13(6-10-15)19(14-7-11-16(22)12-8-14)17-3-1-2-4-18(17)20(23)24/h1-12,19,21-22H,(H,23,24)
Isomere SMILES
C1=CC=C(C(=C1)C(C2=CC=C(C=C2)O)C3=CC=C(C=C3)O)C(=O)O
PubChem CID
66494
Molekulargewicht
320.34
Beilstein
10(3)2013
Reaxy-Rn
2664586

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
KlasseTriphenyl compounds
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentTriphenyl compounds
Alternative Parents Benzoic acids  Benzoyl derivatives  1-hydroxy-2-unsubstituted benzenoids  Monocarboxylic acids and derivatives  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Triphenyl compound - Benzoic acid - Benzoic acid or derivatives - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Monocyclic benzene moiety - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
BeschreibungThis compound belongs to the class of organic compounds known as triphenyl compounds. These are aromatic compounds containing a triphenyl moiety.
External Descriptors benzoic acids
3D-Struktur
Interaktives chemisches Strukturmodell





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Wirkungsmechanismen
Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

21 results found

Lot NumberCertificate TypeDatumArtikel
H2631686Certificate of AnalysisSep 12, 2026 P160787
K2204984Certificate of AnalysisAug 03, 2026 P160787
E2621557Certificate of AnalysisJun 03, 2026 P160787
E2621552Certificate of AnalysisJun 03, 2026 P160787
A2606431Certificate of AnalysisJan 14, 2026 P160787
A2606556Certificate of AnalysisJan 14, 2026 P160787
A2606430Certificate of AnalysisJan 14, 2026 P160787
L2106424Certificate of AnalysisSep 09, 2025 P160787
L2516462Certificate of AnalysisJul 10, 2024 P160787
L2516473Certificate of AnalysisJul 10, 2024 P160787
L2516484Certificate of AnalysisJul 10, 2024 P160787
E2304211Certificate of AnalysisFeb 07, 2023 P160787
E2304214Certificate of AnalysisFeb 07, 2023 P160787
E2304241Certificate of AnalysisFeb 07, 2023 P160787
D2328129Certificate of AnalysisFeb 07, 2023 P160787
E2526214Certificate of AnalysisOct 19, 2022 P160787
B2306892Certificate of AnalysisOct 19, 2022 P160787
J2513107Certificate of AnalysisOct 19, 2022 P160787
K2204981Certificate of AnalysisOct 19, 2022 P160787
K2204985Certificate of AnalysisOct 19, 2022 P160787
K2528020Certificate of AnalysisOct 19, 2022 P160787
Chemische und physikalische Eigenschaften
LöslichkeitInsoluble in water; Soluble in Ether,Alcohol
Schmelzpunkt (°C)235 °C
Molekulargewicht320.300 g/mol
XLogP33.400
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count4
Exact Mass320.105 Da
Monoisotopic Mass320.105 Da
Topological Polar Surface Area77.800 Ų
Heavy Atom Count24
Formal Charge0
Complexity386.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Lösungsrechner
Bewertungen

Kundenbewertungen

Häufig gestellte Fragen

What is the purity of this product, and how is it determined?
This product is supplied at ≥98% purity, determined by HPLC. Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store in a cool place.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 81-90-3, the molecular formula is C20H16O4, and the molecular weight is 320.34 g/mol. InChIKey FFFPYJTVNSSLBQ-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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