Citronensäure Monohydrat, EMSURE® Reag. Ph. Eur., ACS, ISO zur Analyse, Supelco®

Anbieter: Merck

Citronensäure Monohydrat, EMSURE® Reag. Ph. Eur., ACS, ISO zur Analyse, Supelco®

Anbieter: Merck

Synonyme: 2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid, 2-Hydroxy-1,2,3-propanetricarboxilic acid

CAS-Nummer:5949-29-1

Formel:C₆H₈O₇.H₂O

MDL-Nummer:MFCD00149972

:210.14 g/mol

Merck-Index:13,02350

Schmelzender Platingehalt:135…152 °C

Dichte:1.552 g/cm³ (20 °C)

:M-Clarity™ quality level = MQ300

Blitz Pt:173.9 °C (closed cup)

EINECS:201-069-1

:GHS07

Lagertemperatur:Raumtemperatur

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Technische Daten

Ergebnisse des Spezifikationstests

Assay (acidimetric, calc. on anhydrous substance):
99.5 - 100.5 %
Identity (IR-spectrum):
passes test
Appearance:
white to almost white or colorless crystals
Appearance of solution (200 g/l; water):
clear (≤ 3 NTU) and not more intense in color than reference solution Y₇, BY₇ or GY₇
In water insoluble matter:
≤ 50 ppm
Chloride (Cl):
≤ 5 ppm
Phosphate (PO₄):
≤ 10 ppm
Sulphate (SO₄):
≤ 20 ppm
Heavy metals (as Pb):
≤ 5 ppm
Al (Aluminium):
≤ 0.2 ppm
As (Arsenic):
≤ 1 ppm
Hg (Mercury):
≤ 1 ppm
Cu (Copper):
≤ 5 ppm
Fe (Iron):
≤ 3 ppm
Fe (Iron, acc. to Reag. Ph Eur.):
suitable to use in the limit test for iron
Pb (Lead):
≤ 0.5 ppm
Oxalates (as C₂H₂O₄):
≤ 50 ppm
Readily carbonisable substance:
passes test
Sulfated ash:
≤ 200 ppm
Water (according to Karl Fischer):
7.5 - 8.8 %