2,5-Dihydroxybenzoic acid

• Catalog No.: G5254
• CAS Number: 490-79-9
• M. F.: C7H6O4
• M. W.: 154.12014

SYNONYMS

• Title: 2,5-二羟基苯甲酸
• IUPAC name: 2,5-dihydroxybenzoic acid
• IUPAC Traditional name: 2,5-dihydroxybenzoic acid
• Synonyms: 2,5-DHBA; 氢醌羧酸; DHB; Gentisic acid; 龙胆酸; Hydroquinonecarboxylic acid

DATABASE IDS

• CAS Number: 490-79-9
• EC Number: 207-718-5
• Beilstein Number: 2209119
• MDL Number: MFCD00002460

PROPERTIES

• Linear Formula: (HO)2C6H3CO2H
• Mol. Weight: average mol wt 154.12224 Da
• Mol. Weight: mol wt 154.1
• Apperance: white powder
• Melting Point: 204-208 °C(lit.)
• Solubility: H2O: soluble
• Solubility: methanol: water: soluble
• Solubility: polar organic solvents: soluble
• GHS Signal Word: Warning
• GHS Hazard statements: H302-H315-H319-H335
• European Hazard Symbols: Harmful (Xn)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 22-36/37/38
• RTECS: LY3850000
• Safety Statements: 26-36
• German water hazard class: 3

DETAILS

Description (English)

Application
Used as a matrix for MALDI-TOF mass spec. Good matrix for ionization of peptides, proteins and carbohydrates. Good for reflectron mass spec.

Description (简体中文)

Application
用作 MALDI-TOF 质谱的基质。肽、蛋白质和糖类离子化的良好基质。适合于反射式质谱。