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Merck
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Key Documents

25102

Sigma-Aldrich

Ammonium citrate dibasic

puriss., ≥98%

동의어(들):

Ammonium hydrogencitrate, Citric acid ammonium salt, Diammonium hydrogen citrate

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About This Item

Linear Formula:
HOC(CO2H)(CH2CO2NH4)2
CAS Number:
Molecular Weight:
226.18
Beilstein:
4925760
EC Number:
MDL number:
UNSPSC 코드:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

1.8 (vs air)

Quality Level

grade

puriss.

분석

≥98%

불순물

≤0.001% heavy metals (as Pb)

pH

4.5-5.5 (20 °C, 5%)

음이온 미량물

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤300 mg/kg

양이온 미량물

Fe: ≤10 mg/kg

작용기

carboxylic acid
hydroxyl

SMILES string

N.N.OC(=O)CC(O)(CC(O)=O)C(O)=O

InChI

1S/C6H8O7.2H3N/c7-3(8)1-6(13,5(11)12)2-4(9)10;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);2*1H3

InChI key

YXVFQADLFFNVDS-UHFFFAOYSA-N

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애플리케이션

Ammonium citrate dibasic is generally used as a component of matrix solution in matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry analysis. It can also be used as both the carbon and nitrogen source to synthesize fluorescent nitrogen-doped carbon nanoparticles (CNPs).

픽토그램

Exclamation mark

신호어

Warning

유해 및 위험 성명서

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

dust mask type N95 (US), Eyeshields, Gloves


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