39319

2,5-Dihydroxybenzoic acid

matrix substance for MALDI-MS, ≥99.5% (HPLC), Ultra pure

• Synonym(s): 2,5-DHBA, DHB, Gentisic acid, Hydroquinonecarboxylic acid
• Linear Formula: (HO)₂C₆H₃CO₂H
• CAS Number: 490-79-9
• Molecular Weight: 154.12
• Beilstein/REAXYS Number: 2209119
• EC Number: 207-718-5
• MDL number: MFCD00002460
• UNSPSC Code: 41116105
• PubChem Substance ID: 329755840
• NACRES: NA.21

Properties

• grade: matrix substance for MALDI-MS
• Quality Level: 100
• assay: ≥99.5% (HPLC)
• analyte functional class(es): polymers
• analyte chemical class(es): glycans, lipids, organic molecules, peptides, proteins
• technique(s): MALDI-MS: suitable
• mp: 203-207 °C; 204-208 °C (lit.)
• solubility: methanol: 10 mg/mL, clear
• cation traces: Al: ≤1 mg/kg; Ba: ≤1 mg/kg; Ca: ≤1 mg/kg; Cd: ≤1 mg/kg; Co: ≤1 mg/kg; Cr: ≤1 mg/kg; Cu: ≤1 mg/kg; Fe: ≤1 mg/kg; K: ≤1 mg/kg; Li: ≤1 mg/kg; Mg: ≤1 mg/kg; Mn: ≤1 mg/kg; Na: ≤1 mg/kg; Ni: ≤1 mg/kg; Pb: ≤1 mg/kg; Sr: ≤1 mg/kg; Zn: ≤1 mg/kg
• SMILES string: OC(=O)c1cc(O)ccc1O
• InChI: 1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
• InChI key: WXTMDXOMEHJXQO-UHFFFAOYSA-N

Description

Application

• Quantitative MALDI-MS and Imaging of Fungicide Pyrimethanil in Strawberries with 2-Nitrophloroglucinol as an Effective Matrix.: This research highlights the application of 2,5-Dihydroxybenzoic acid (DHB) as an effective matrix for MALDI-MS imaging, providing enhanced detection sensitivity for fungicides in agricultural samples. The study showcases DHB′s role in improving the quantification and spatial resolution of pesticide residues within fruit matrices, demonstrating its utility in food safety and chemical analysis (Liang et al., 2024).


• A maize enzyme from the 2-oxoglutarate-dependent oxygenase family with unique kinetic properties, mediates resistance against pathogens and regulates senescence.: Utilizing 2,5-Dihydroxybenzoic acid in enzyme kinetics studies, this paper reveals its critical role in modulating plant defense mechanisms against pathogens. The study provides insights into the biochemical pathways influenced by DHB, underscoring its importance in plant biochemistry and resistance breeding (Casati et al., 2024).


• Unveiling the distribution of free and bound phenolic acids, flavonoids, anthocyanins, and proanthocyanidins in pigmented and non-pigmented rice genotypes.: This comprehensive analysis employs 2,5-Dihydroxybenzoic acid to investigate the phenolic content in different rice varieties, highlighting its role in enhancing the detection of health-beneficial compounds. The research supports DHB′s application in nutritional studies and crop quality assessments (Thulasinathan et al., 2024).


• Novel Small Molecule Matrix Screening for Simultaneous MALDI Mass Spectrometry Imaging of Multiple Lipids and Phytohormones.: Leveraging the chemical properties of 2,5-Dihydroxybenzoic acid, this study introduces a novel matrix for MALDI-MS imaging, enhancing the simultaneous visualization of lipids and phytohormones in biological tissues. It highlights the versatility of DHB in facilitating complex biochemical analyses (Shi et al., 2024).


• 2-Hydroxy-5-nitro-3-(trifluoromethyl)pyridine as a Novel Matrix for Enhanced MALDI Imaging of Tissue Metabolites.: This research demonstrates the use of DHB-based matrices to improve the MALDI imaging of metabolites, offering greater sensitivity and specificity in clinical diagnostics and metabolic studies. The findings contribute to the broader application of DHB in analytical chemistry (Wang et al., 2024).

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• ppe: dust mask type N95 (US), Eyeshields, Gloves