Citronensäure Monohydrat, EMSURE® ACS, ISO, Reag. Ph. Eur. zur Analyse, Supelco®
Lieferant: Merck
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Achtung
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Synonyms:
2-Hydroxypropane-1,2,3-tricarboxylic acid, Hydroxytricarballylic acid, 2-Hydroxy-1,2,3-propanetricarboxilic acid
M-Clarity™ quality level = MQ300
1.00244.0500
1.00244.1000
1.00244.5000
1.00244.9026
1.00244.0500EA
30.3
CHF
1.00244.0500
1.00244.1000
1.00244.5000
1.00244.9026
Citronensäure Monohydrat, EMSURE® ACS, ISO, Reag. Ph. Eur. zur Analyse, Supelco®
Citronensäure Monohydrat
Zertifizierungen: Corresponds to ACS, ISO 6353/2, Reag. Ph. Eur.
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Formel:
C₆H₈O₇.H₂O MW: 210,14 g/mol Melting Pt: 135…152 °C Dichte: 1.552 g/cm³ (20 °C) Flash-Pt: 173.9 °C (closed cup) Lager Temperatur: Raumtemperatur |
MDL Number:
MFCD00149972 CAS-Nummer: 5949-29-1 EINECS: 201-069-1 Merck Index: 13,02350 |
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Spezifikation Testergebnisse
| 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 % |
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