Natriumdihydrogencitrat

Bezeichnung:Natriumdihydrogencitrat

CAS-Nr18996-35-5

Englisch Name:SODIUM DIHYDROGEN CITRATE

CBNumberCB2476982

SummenformelC6H9NaO7

Molgewicht216.12

MOL-Datei18996-35-5.mol

Synonyma

Natriumdihydrogencitrat

Natriumdihydrogencitrat physikalisch-chemischer Eigenschaften

Schmelzpunkt	212 °C(lit.)
storage temp.	Inert atmosphere,Room Temperature
Löslichkeit	H₂O: 0.25 M at 20 °C, clear, colorless
Aggregatzustand	Crystalline Powder
Farbe	White
PH	4.07(1 mM solution);3.87(10 mM solution);3.71(100 mM solution);3.48(1000 mM solution)
Geruch (Odor)	Odorless
Wasserlöslichkeit	Soluble in water. Insoluble in ethanol.
maximale Wellenlänge (λmax)	λ: 260 nm Amax: 0.15 λ: 280 nm Amax: 0.05
BRN	3920246
InChI	InChI=1S/C6H8O7.Na.H/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);;
InChIKey	JKYDHHIKDADVTE-UHFFFAOYSA-N
SMILES	C(O)(C(=O)O)(CC(=O)O)CC(=O)O.[NaH]
CAS Datenbank	18996-35-5(CAS DataBase Reference)
EPA chemische Informationen	1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monosodium salt (18996-35-5)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36
S-Sätze:	22-24/25
WGK Germany	1
RTECS-Nr.	GE7950000
F	3
TSCA	Yes
HS Code	29181500

SODIUM DIHYDROGEN CITRATE Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36:Reizt die Augen.
S-Sätze Betriebsanweisung:
S22:Staub nicht einatmen.
S24/25:Berührung mit den Augen und der Haut vermeiden.
Beschreibung
Mono sodium citrate, or sodium dihydrogen citrate, is an acid salt with the chemical formula NaH₂C₆H₅O₇, or C₃H₄OH(COOH)₂COONa. Since it has two remaining open spots on the citrate anion, it is used as a relatively strong sequestrant. It is used to prevent platelet clumping in blood samples. It is one of the 3 citric acid salts.
Chemische Eigenschaften
white crystalline powder
Verwenden
Sodium dihydrogencitrate has been employed:
- as reductant and stabilizer during the synthesis of Fe₃O₄ Pt core/shell particles
- in characterization of carbon-based electrode materials as cathode in half-cell configuration
- in electrochemical reduction of proton at carbon fiber electrode in the presence and absence of Pt nanoparticles
Verwenden
Sodium dihydrogen citrate acts as a buffering agent and sequestrant. It is also employed as a reductant and stabilizer in the preparation of b>Fe3O4 platinum core/shell particles. Further, it is used in electrochemical reduction of proton at carbon fiber electrode in the presence and absence of platinum nanoparticles. In addition to this, it plays a useful role in characterization of carbon-based electrode materials as cathode in half-cell configuration.
synthetische
Monosodium citrate can be prepared by the direct reaction of sodium carbonate or bicarbonate with citric acid:
NaHCO₃(s) + C₆H₈O₇ (aq) → NaC₆H₇O₇ (aq) + CO₂ (g) + H₂O (l).
Allgemeine Beschreibung
Sodium citrate is a useful setting retardant for improvement of properties of brushite cement.
Flammability and Explosibility
Non flammable

Natriumdihydrogencitrat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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