3200-OP

Acide citrique

OmniPur^® Grade, >= 99.5%, Anhydrous

• Synonyme(s) : Citric acid
• Formule linéaire : HOC(COOH)(CH₂COOH)₂
• Numéro CAS: 77-92-9
• Poids moléculaire : 192.12
• Numéro Beilstein : 782061
• Numéro MDL: MFCD00011669
• Code UNSPSC : 12352106

Propriétés

• Niveau de qualité: 100
• Pureté: ≥99.5%
• Forme: crystalline powder (Fine)
• Limite d'explosivité: 8 %, 65 °F
• Fabricant/nom de marque: Calbiochem^®
• Conditions de stockage: OK to freeze
• Couleur: white
• pKa: (1) 3.13, (2) 4.76, (3) 6.4
• Pf: 153-159 °C (lit.)
• Solubilité: water: 1330 g/L at 20 °C
• Activité étrangère: DNAse, none detected; Protease, none detected
• Conditions d'expédition: ambient
• Température de stockage: 10-30°C
• Chaîne SMILES: 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)
• Clé InChI: KRKNYBCHXYNGOX-UHFFFAOYSA-N

Description

Description générale

Molecular biology grade.

Specifications:
Assay: ≥99.5%
Chloride (Cl): ≤0.001%
DNase: None detected
Residue after ignition: ≤0.02%
Insoluble matter: ≤0.005%
Oxalate (C₂O₄): ≤0.05%
Phosphate (PO₄): ≤0.001%
Protease: None detected





Intended for laboratory and manufacturing use only. Not for drug, food, or household use.

Application

• 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).

Informations légales

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

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

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H319 - H335
• Conseils de prudence: P261 - P264 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable