grade
pharmaceutical primary standard
agency
USP
API family
citric acid
form
crystalline
expl. lim.
8 %, 65 °F
manufacturer/tradename
USP
pKa
(1) 3.13, (2) 4.76, (3) 6.4
mp
153-159 °C (lit.)
solubility
water: 383 g/L at 25 °C
application(s)
USP Biologics
pharmaceutical (small molecule)
pharmaceutical
format
neat
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)
InChI key
KRKNYBCHXYNGOX-UHFFFAOYSA-N
General description
Citric acid is a weak organic acid naturally found in citrus fruits. It is widely used as an acidulant, preservative, and flavoring agent in the food and pharmaceutical industries. In pharmaceutical formulations, citric acid acts as a buffering agent to control pH and enhance the stability of active ingredients. The USP Citric Acid standard ensures the consistency and quality of citric acid used in these applications.The United States Pharmacopeia (USP) provides quality standards for biologics to ensure their safety, efficacy, and quality throughout the manufacturing process. These standards assist manufacturers in adhering to regulatory requirements and help safeguard public health by reducing risks associated with biologics.
Application
- Anhydrous Citric Acid
- Citric Acid Monohydrate
- Magnesium Carbonate, Citric Acid, and Potassium Citrate for Oral Solution
- Monoglyceride Citrate
- Powdered Garcinia Hydroxycitrate Extract
- Anticoagulant Citrate Phosphate Dextrose Solution
- Potassium Citrate Extended-Release Tablets
Analysis Note
Other Notes
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警示词
Warning
危险代码
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
靶器官
Respiratory system
存储类别
11 - Combustible Solids
闪点 (F)
Not applicable
闪点 (°C)
Not applicable