2,5-Dihydroxybenzoic acid
SIAL/39319 - matrix substance for MALDI-MS, ≥99.5% (HPLC), Ultra pure
Synonym: 2,5-DHBA; DHB; Gentisic acid; Hydroquinonecarboxylic acid
CAS Number: 490-79-9
Empirical Formula (Hill Notation): C7H6O4
Molecular Weight: 154.12
EC Number: 207-718-5
MDL Number: MFCD00002460
Linear Formula: (HO)2C6H3CO2H
Product Type: Chemical
analyte chemical class(es) | glycans, lipids, organic molecules, peptides, proteins |
analyte functional class(es) | polymers |
assay | ≥99.5% (HPLC) |
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 | |
grade | matrix substance for MALDI-MS |
InChI | 1S/C7H6O4/c8-4-1-2-6(9)5( |
InChI key | WXTMDXOMEHJXQO-UHFFFAOYSA |
mp | 203-207 °C |
204-208 °C (lit.) | |
Quality Level | 100 ![]() |
SMILES string | OC(=O)c1cc(O)ccc1O |
solubility | methanol: 10 mg/mL, clear |
technique(s) | MALDI-MS: suitable |
Packaging: | Bottomless glass bottle. Contents are inside inserted fused cone. |
Hazard Codes | Xn |
Risk Statements | 22-36/37/38 |
Safety Statements | 26-36 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Purity | ≥99.5% (HPLC) |
mp | 203-207 °C; 204-208 °C (lit.) |
UNSPSC | 41116105 |