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Dongying City Longxing Chemical Co., Ltd.
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Citric acid

Details for Citric acid

Citric acid


Organic chemicals and Derivatives

Citric acid
CAS NO: 77-92-9
EC NO: 201-069-1
Molecular Formula: C6H8O7
Molecular Weight: 192.122
InChI: InChI=1/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)/p-3
Product description:
Physical and chemical properties Color and smell state: at room temperature, colorless translucent crystals or white particles or white crystalline powder, with a strong sour taste
Toxicity: non-toxic Flammability: non-flammable
Density: 1.542  Volatility: non-volatile
Corrosivity: None   Stability: unstable at high temperature
Melting point: 153-154.5°C  Acidity and alkaline: strong acidity
Hygroscopicity: moisture absorption Deliquescence: slight deliquescence
Flash point: 155.2°C   Solubility: easily soluble in water and ethanol
Uses Citric acid is a relatively strong acidic organic acid. It is the largest organic acid produced by biochemical methods in the world. Citric acid and salts are one of the pillar products of the fermentation industry. They are mainly used in the food industry, such as sour agents and solubilizers. , Buffers, antioxidants, deodorants, flavor enhancers, gelling agents, toners, etc. are used as experimental reagents, chromatographic analysis reagents and biochemical reagents, and also used in the preparation of buffers. In the detergent industry, it It is an ideal substitute for phosphate. Boiler chemical cleaning pickling agent, boiler chemical cleaning rinsing agent, also used to prepare medicine cooling agent, detergent, etc.
Hazard category General chemicals
Fire-fighting measures This thing is not combust
Emergency treatment This substance is non-toxic
Packaging, storage, transportation Packed in a lined woven bag or kraft paper bag 25 kg/bag. The citric acid monohydrate loses crystal water in dry air or when heated to about 40 degrees. It is slightly deliquescence in humid air. Dilute citric acid aqueous solution can Ferment when standing. Therefore, the solid monohydrate or anhydrous should be stored in an airtight container in a cool and dry place.
Synonyms: 2-Hydroxy-1,2,3-propanetricarboxylic acid;Citric acid, anhydrous;1,2,3-Propanetricarboxylic acid, 2 hydroxy-;Citric acid anhydrous;Citric acid anhydride;2-hydroxypropane-1,2,3-tricarboxylate;
Molecular Structure: Citric acid 77-92-9
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