Basic Info
Model NA. | Citric acid | EINECS | 201-069-11 |
CAS No. | 77-92-9 | Appearance | White Crystalline Powder |
PSA | 132.13000 | Molecular formula | C6H8O7 |
Other Name | 3'-hydroxybiphenyl-3-carboxylic acid; 1,2,3-Propanetricarboxylic acid, 2-hydroxy-; 3-hydroxy-3-carboxy-pentanedioic acid; Citric acid; 3'-hydroxy-3-biphenylcarboxylic acid | Grade Standard | Food Grade, Industrial Grade, Medical Grade， Feed Grade |
Application | It is the most important organic acid widely used in the food, pharmaceutical, and daily chemical industries. | Precise Mass | 192.02700 |
Density | 1.542 | HS.CODE | 29181400 |
Specification | 99.5-100.5% | RTECS | GE7350000 |
Un | 1789 | Transport Package | 25 kg / 1,000 kg composite paper-plastic bag |
Boiling Point | 153-159°C | Storage Condition | at RT. |
Trademark | ZHD | Origin | China |
Molecular Weight | 192.12400 | Certification | COA, ISO |
Specification
Items | Specification |
Assay | 99.5-101.0% |
Water | 7.5-9.0% |
Sulphate | 150 ppm max |
Oxalate | 100 ppm max |
Calcium | 200 ppm max |
Iron | 50 ppm max |
Chloride | 50 ppm max |
Sulphated ash | 0.1% max |
Heavy metal(as Pb) | 5 ppm max |
Arsenic (As) | 1 ppm max |
Bacteria endotoxin | 0.5 IU/mg max |
Product Description
Citric acid (C₆H₈O₇) is a colorless transparent crystal or white crystalline powder that dissolves readily in water and ethanol. It possesses a mild, refreshing sour taste and is one of the most widely distributed organic acids in nature, occurring naturally in citrus fruits.
As a vital chemical raw material, it finds extensive applications across food, beverage, pharmaceutical, cosmetic, and industrial cleaning sectors. It serves as an acidity regulator, preservative, and flavor enhancer, while also being utilized in industrial processes such as metal cleaning, electroplating, and environmentally friendly desulfurization.
Package
Specification: BP98 / BP2012 / USP32 / E330
Package: 25 kg / 1,000 kg composite paper-plastic bag.
or as clients' request.
Application
1.Food Industry: Used as an acidity regulator, preservative, and flavoring agent in beverages, confectionery, baked goods, etc.;
2.Pharmaceutical Sector: Employed as a pharmaceutical excipient (e.g., raw material for ascorbic acid synthesis) and acid-base regulator;
3.Chemical Synthesis: Utilized in producing citrates (e.g., sodium citrate), detergents, and metal surface treatment agents;
4.Cosmetics: Serves as a pH adjuster and moisturizing agent in skincare products, shampoos, etc.;
5..Industrial Cleaning: Functions as a metal cleaner and descaler for equipment cleaning and rust removal;
6.Environmental Protection: Employed in flue gas desulfurization and wastewater treatment to adjust pH levels and precipitate heavy metals;
7.Animal Feed: Acts as an acidifier to enhance feed palatability and promote animal digestion and nutrient absorption.
