3200-OP

无水柠檬酸粉末

OmniPur^® Grade, >= 99.5%, Anhydrous

• 别名: Citric acid
• 线性分子式: HOC(COOH)(CH₂COOH)₂
• CAS号: 77-92-9
• 分子量: 192.12
• Beilstein: 782061
• MDL號碼: MFCD00011669
• 分類程式碼代碼: 12352106
• NACRES: NA.28

属性

• 品質等級: 100
• 化驗: ≥99.5%
• 形狀: crystalline powder (Fine)
• expl. lim.: 8 %, 65 °F
• 製造商／商標名: Calbiochem^®
• 儲存條件: OK to freeze
• 顏色: white
• pKa: (1) 3.13, (2) 4.76, (3) 6.4
• mp: 153-159 °C (lit.)
• 溶解度: water: 1330 g/L at 20 °C
• 異物活動: DNAse, none detected; Protease, none detected
• 運輸包裝: ambient
• 儲存溫度: 10-30°C
• SMILES 字串: 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)
• InChI 密鑰: KRKNYBCHXYNGOX-UHFFFAOYSA-N

说明

一般說明

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.

應用

• 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).

法律資訊

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

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

安全信息

• 象形圖: GHS07
• 訊號詞: Warning
• 危險聲明: H319,H335
• 防範說明: P261 - P264 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338
• 危險分類: Eye Irrit. 2 - STOT SE 3
• 標靶器官: Respiratory system
• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable