3200-OP

Zitronensäure

OmniPur^® Grade, >= 99.5%, Anhydrous

• Synonym(e): Zitronensäure
• Lineare Formel: HOC(COOH)(CH₂COOH)₂
• CAS-Nummer: 77-92-9
• Molekulargewicht: 192.12
• Beilstein: 782061
• MDL-Nummer: MFCD00011669
• UNSPSC-Code: 12352106
• NACRES: NA.28

Eigenschaften

• Qualitätsniveau: 100
• Assay: ≥99.5%
• Form: crystalline powder (Fine)
• Expl.-Gr.: 8 %, 65 °F
• Hersteller/Markenname: Calbiochem^®
• Lagerbedingungen: OK to freeze
• Farbe: white
• pKa: (1) 3.13, (2) 4.76, (3) 6.4
• mp (Schmelzpunkt): 153-159 °C (lit.)
• Löslichkeit: water: 1330 g/L at 20 °C
• Fremdaktivität: DNAse, none detected; Protease, none detected
• Versandbedingung: ambient
• Lagertemp.: 10-30°C
• SMILES String: OC(=O)CC(O)(CC(O)=O)C(O)=O
• InChI: 1S/C6H8O7/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: KRKNYBCHXYNGOX-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Mokekularbiologische Qualität.

Spezifikationen:
Assay: ≥;99,5 %
Chlorid (Cl): ≤;0,001 %
DNase: Nicht nachweisbar
Rückstände nach Zündung: ≤;0,02 %
Unlösliche Anteile: ≤;0,005 %
Oxalat (C₂O₄): ≤;0,05 %
Phosphat (PO₄): ≤;0,001 %
Protease: nicht nachweisbar





Nur für den Labor- oder Produktionsgebrauch. Nicht für den Arzneimittel-, Lebensmittel- oder Haushaltsgebrauch vorgesehen.

Anwendung

• Transmembrane Chemical Absorption Process for Recovering Ammonia as an Organic Fertilizer Using Citric Acid as the Trapping Solution.: This study explores the use of citric acid in a transmembrane absorption process to recover ammonia, enhancing the efficiency of organic fertilizer production (Reyes Alva et al., 2024).


• Effect of Different Irrigating Solutions on Root Canal Dentin Microhardness-A Systematic Review with Meta-Analysis.: This systematic review evaluates the impact of various irrigating solutions, including citric acid, on the microhardness of root canal dentin, contributing to dental material science (Agarwal et al., 2024).


• Applications and Characterization of Anti-Browning Enzymatically Modified Potato Starch (EPS) Film Associated with Chitosan (CTS)/L-Cys/Citric Acid (CA) on Fresh-Cut Potato Slices.: The research focuses on using citric acid in combination with other substances to create an anti-browning film for food preservation, highlighting advancements in food chemistry (Zhu et al., 2024).


• Cervical Percutaneous Interferential Current Stimulation Improves Citric Acid Cough Tests in Patients with Parkinson′s Disease on Medication.: This clinical trial examines the therapeutic use of citric acid in cough tests for patients with Parkinson′s disease, showcasing its potential in clinical biochemistry applications (Nakamori et al., 2024).

Rechtliche Hinweise

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

OMNIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable