Ammonium hydrogencitrateCAS: 3012-65-5
MF: C6H14N2O7
MW: 226.18
An electrolyte support compound for MALDI matricies.

Ammonium hydrogencitrate (CAS 3012-65-5)

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Synonym: Citric acid ammonium salt
Application: An electrolyte support compound for MALDI matricies
CAS Number: 3012-65-5
Molecular Weight: 226.18
Molecular Formula: C6H14N2O7
* Refer to Certificate of Analysis for lot specific data (including water content).
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Ammonium hydrogencitrate is a dibasic ammonium citrate solution can be used as supporting electrolyte in a matrix-assisted laser desorption/ionization (MALDI) time-of-flight (TOF) mass spectrometer. Ammonium hydrogencitrate has been used as a supplement for growing organic components in seawater.


1. Litchfield, C.D. 1965. Appl Microbiol. 13: 886-894. PMID: 5866037
2. Ali, F.S., et al. 1989. Zentralbl. Mikrobiol. 144: 623-628. PMID: 2515680
3. Bhattacharjee, S., et al. 2002. J Colloid Interface Sci. 254: 95-100. PMID: 12702429
4. Locatelli, C. 2003. Anal Bioanal Chem. 376: 518-523. PMID: 12739100
5. Zagorevskii, D.V., et al. 2006. J. Am. Soc. Mass Spectrom. 17: 1265-1270. PMID: 16809045
6. Melucci, D., et al. 2007. Ann Chim. 97: 141-151. PMID: 17822223

Appearance :
Physical State :
Solubility :
Soluble in water (500 mg/ml), and alcohol (very slightly).
Storage :
Store at room temperature
Boiling Point :
309.6° C at 760 mmHg (Predicted)
Density :
1.48 g/cm3 at 20° C
Refractive Index :
n20D ~1.58 (Predicted)
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
WGK Germany :
PubChem CID :
Merck Index :
14: 512
MDL Number :
EC Number :
Beilstein Registry :

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Certificate of Analysis

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