08992

3,4-Dihydroxy-benzoesäure

analytical standard

• Synonym(e): Protocatechusäure
• Lineare Formel: (HO)₂C₆H₃CO₂H
• CAS-Nummer: 99-50-3
• Molekulargewicht: 154.12
• Beilstein: 1448841
• EG-Nummer: 202-760-0
• MDL-Nummer: MFCD00002509
• UNSPSC-Code: 85151701
• PubChem Substanz-ID: 329748656
• NACRES: NA.24

Eigenschaften

• Qualität: analytical standard
• Qualitätsniveau: 100
• Assay: ≥97.0% (HPLC)
• Haltbarkeit: limited shelf life, expiry date on the label
• Methode(n): HPLC: suitable; gas chromatography (GC): suitable
• mp (Schmelzpunkt): 197-200 °C (dec.) (lit.)
• Anwendung(en): cleaning products; cosmetics; flavors and fragrances; food and beverages; personal care
• Format: neat
• SMILES String: OC(=O)c1ccc(O)c(O)c1
• InChI: 1S/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)
• InChIKey: YQUVCSBJEUQKSH-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

3,4-Dihydroxybenzoic acid is a catabolite of epinephrine. It is a phenolic compound and an important constituent of lignin present in wine, green and black tea, and herbal medicines, which exhibits anti-inflammatory and antitumor promotion. 3,4-Dihydroxybenzoic acid is also a model matrix for ionization of peptides, proteins and carbohydrates in the MALDI (matrix-assisted laser desorption ionization mass spectroscopy) technique.

Anwendung

3,4-Dihydroxybenzoic acid may be used as a reference standard for the determination of:

• Phenols in biomass pre-treatment hydrolysates by high-performance liquid chromatography method.
• 3,4-Dihydroxybenzoic acid in wine by high-performance liquid chromatography with a microbore column.

Biochem./physiol. Wirkung

Chemopräventiv bei der Krebsentstehung in verschiedenen Tiermodellen. Hemmt die Zellproliferation in der Post-Initiationsphase.

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Empfohlene Produkte

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Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable