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CAS RN: 666174-80-7 | Product Number: D5355

2,5-Dihydroxybenzoic Acid Butylamine Salt [Matrix for MALDI-TOF/MS]

Purity: >98.0%(T)(HPLC)
  • Butylammonium 2,5-Dihydroxybenzoate
  • DHBB
  • DHB/B
3   1   14  

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Product Number D5355
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__7H__6O__4·C__4H__1__1N = 227.26  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 666174-80-7
Reaxys Registry Number 11096638
PubChem Substance ID 354334394
Appearance White to Light yellow powder to crystaline
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %
Properties (reference)
Melting Point 115 °C
Related Laws:
Transport Information:
HS Number 2922.19.7000
A Matrix for MALDI TOF Mass Spectrometry

Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry is a standard soft ionization technique in mass spectrometry. 2,5-Dihydroxybenzoic acid [D2933] and its butylamine salt (DHBB) are often used as a matrix for MALDI-TOF mass spectrometry, for oligosaccharide, lipid and polar synthetic polymer analysis in particular. Moreover, DHB can be used for small molecules which are not ionized by other matrixes. Incidentally, IUPAC defined standard terms relating to mass spectrometry in 2013 (free access).


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