08992

3,4-Dihydroxybenzoic acid

analytical standard

• Sinônimo(s): Protocatechuic acid
• Fórmula linear: (HO)₂C₆H₃CO₂H
• Número CAS: 99-50-3
• Peso molecular: 154.12
• Beilstein: 1448841
• Número CE: 202-760-0
• Número MDL: MFCD00002509
• Código UNSPSC: 85151701
• ID de substância PubChem: 329748656
• NACRES: NA.24

Propriedades

• grau: analytical standard
• Nível de qualidade: 100
• Ensaio: ≥97.0% (HPLC)
• prazo de validade: limited shelf life, expiry date on the label
• técnica(s): HPLC: suitable; gas chromatography (GC): suitable
• pf: 197-200 °C (dec.) (lit.)
• aplicação(ões): cleaning products; cosmetics; flavors and fragrances; food and beverages; personal care
• Formato: neat
• cadeia de caracteres SMILES: 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)
• chave InChI: YQUVCSBJEUQKSH-UHFFFAOYSA-N

Descrição

Descrição geral

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.

Aplicação

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.

Ações bioquímicas/fisiológicas

Chemopreventive in several animal models of carcinogenesis. Blocks cell proliferation in the post-initiation phase.

Embalagem

Bottomless glass bottle. Contents are inside inserted fused cone.

Produtos recomendados

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Informações de segurança

• Pictogramas: GHS07
• Palavra indicadora: Warning
• Frases de perigo: H315,H319,H335
• Declarações de precaução: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classificações de perigo: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Órgãos-alvo: Respiratory system
• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable