4-Hydroxyisophthalic Acid - ≥98%(HPLC)(T) , CAS No.636-46-4

CAS: 636-46-4 Cat. No.: H157025 Summenformel: C8H6O5 Molekulargewicht: 182.13 Beilstein Registry Number: 10(3)2193 EG-Nummer: 211-258-0
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GRADE & PURITY ≥98%(HPLC)(T)
Synonyms
STL557098 | W-203364 | 4-hydroxyisophtalic acid | NSC2445 | NSC-2445 | SALICYLIC ACID IMPURITY B [EP IMPURITY] | BRN 2211981 | 1,3-Benzenedicarboxylic acid, 4-hydroxy- | 4-hydroxyisophthalate | AKOS000121471 | 4-10-00-02091 (Beilstein Handbook Reference)
Storage
Room temperature
Shipped In
Normal
★
Size
Deutschland (EU)
USA*
Price
Qty
1g
H157025-1g
—
7 Auf Lager

9,46€

14,66€
Speichern 5,21 € (35.50%)
5g
H157025-5g
—
9 Auf Lager

25,95€

38,96€
Speichern 13,02 € (33.41%)
10g
H157025-10g
—
2 Auf Lager

42,43€

64,13€
Speichern 21,69 € (33.83%)
25g
H157025-25g
—
5 Auf Lager

84,08€

126,60€
Speichern 42,52 € (33.58%)
100g
H157025-100g
1 Auf Lager
1 Auf Lager

269,78€

405,15€
Speichern 135,37 € (33.41%)
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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyme
STL557098 | W-203364 | 4-hydroxyisophtalic acid | NSC2445 | NSC-2445 | SALICYLIC ACID IMPURITY B [EP IMPURITY] | BRN 2211981 | 1,3-Benzenedicarboxylic acid, 4-hydroxy- | 4-hydroxyisophthalate | AKOS000121471 | 4-10-00-02091 (Beilstein Handbook Reference)
Spezifikationen & Reinheit
≥98%(HPLC)(T)
Storage
Room temperature
Verschickt in
Normal
Aktionsart
ACTIVATOR
Reinheit
≥98%(HPLC)(T)
Namen und Kennungen
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488181679
Kanonisches Lächeln
C1=CC(=C(C=C1C(=O)O)C(=O)O)O
IUPAC Name
4-hydroxybenzene-1,3-dicarboxylic acid
InChIKey
BCEQKAQCUWUNML-UHFFFAOYSA-N
INCHI
1S/C8H6O5/c9-6-2-1-4(7(10)11)3-5(6)8(12)13/h1-3,9H,(H,10,11)(H,12,13)
Isomere SMILES
C1=CC(=C(C=C1C(=O)O)C(=O)O)O
RTECS
NT2544000
Molekulargewicht
182.13
Beilstein
10(3)2193
Reaxy-Rn
2211981
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2211981&ln=

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
KlasseBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Phthalic acid and derivatives
Direct ParentM-phthalic acid and derivatives
Alternative Parents Salicylic acids  Benzoic acids  Benzoyl derivatives  1-hydroxy-2-unsubstituted benzenoids  Dicarboxylic acids and derivatives  Vinylogous acids  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Meta_phthalic_acid - Salicylic acid - Salicylic acid or derivatives - Hydroxybenzoic acid - Benzoic acid - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Dicarboxylic acid or derivatives - Vinylogous acid - Carboxylic acid derivative - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
BeschreibungThis compound belongs to the class of organic compounds known as m-phthalic acid and derivatives. These are aromatic compounds containing a benzene ring bearing a carboxylic acid group at ring carbon atoms 1 and 2.
External Descriptors Not available
3D-Struktur
Interaktives chemisches Strukturmodell





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.

10 results found

Lot NumberCertificate TypeDatumArtikel
I2224384Certificate of AnalysisJul 03, 2026 H157025
I2224390Certificate of AnalysisJul 03, 2026 H157025
I2224392Certificate of AnalysisJul 03, 2026 H157025
F2124221Certificate of AnalysisApr 03, 2025 H157025
G1721029Certificate of AnalysisFeb 08, 2025 H157025
E2409037Certificate of AnalysisJun 24, 2022 H157025
E2529192Certificate of AnalysisJun 24, 2022 H157025
G2321052Certificate of AnalysisJun 24, 2022 H157025
G2321070Certificate of AnalysisJun 24, 2022 H157025
J2516059Certificate of AnalysisJun 24, 2022 H157025
Chemische und physikalische Eigenschaften
LöslichkeitVery soluble in Alcohol,Ether
Molekulargewicht182.130 g/mol
XLogP31.500
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass182.022 Da
Monoisotopic Mass182.022 Da
Topological Polar Surface Area94.800 Ų
Heavy Atom Count13
Formal Charge0
Complexity225.000
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
Citations of This Product
Lösungsrechner
Bewertungen

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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 at room temperature.
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 636-46-4, the molecular formula is C8H6O5, and the molecular weight is 182.13 g/mol. InChIKey BCEQKAQCUWUNML-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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