| Customization: | Available |
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| CAS No.: | 5949-29-1 |
| Formula: | C6h10o8 |
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Practical and high quality Citric acid
Citric acid monohydrate occurs as colorless crystals or as white, crystalline powder with a strongly acidic taste. It is efflorescent in dry air, very soluble in water, freely soluble in ethanol (96%) and sparingly soluble in ether.
Citric Acid anhydrous appears as an odorless white crystalline granule with a strong acidic taste. It is very soluble in water,freely soluble in alcohol and slightly soluble in ether.
Citric Acid is a constituent of fruit and soft drinks and other food products. Uses include flavor enhancement, bacterial inhabitant, pH adjustment, and as an anti oxidant.
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| Test | Result | Limits |
| Appearance | Colortess crystals | Colorless crysts |
| Odour, taste | Corresponds | Corresponds |
| Identity | Corresponds | Corresponds |
| Water (K.Fisher) | 0.0013 | 0.2 % max |
| Extraneous matter | Passes test | Passes test |
| Heavy metals | <1.0 ppm. | Max 1.0 ppm. |
| Lead | <0.5 ppm. | Max 0.5 ppm. |
| Mefcury | <1.0 ppm. | Max 1.0 ppm. |
| Copper | <1.0 ppm. | Max 1.0 ppm. |
| Znc | <1.0 ppm. | Max 1.0 ppm. |
| Iron | < 1.0 ppm. | Max 1.0 ppm. |
| Catcium | < 10.0 ppm | Max 10.0 ppm. |
| Magnesium | < 1.0 ppm. | Max 1.0 ppm. |
| Chlorides | < 5.0 ppm. | Max 5.0 ppm. |
| Sulphates | < 30.0 ppm. | Max 30.0 ppm. |
| Oxalates | < 10.0 ppm. | Max 10.0 ppm. |
| Residue on Ignition | <0.05% | Max 0.05 % |
| Readily Carbonisabte Substances | Passes test | Passes test |
| Related Substances | Passes test | Passes test |
| Tridodecytamine | Meets FCC | Meets FCC |
| Polycyclic Aromatic Hydrocarbons | Meets JSFA | Meets JSFA |
| Clarity of Solution | Meets USP | Meets USP |
| CokH of Solution | Meets USP | Meets USP |
| Sulphated Ash | <0.05% | Max 0.05 % |
| Cok>r (500 9 /L, T at 405 nm, 1 cm. cell) | 98.0%T | Mn 98.0 % |
| Assay | 100 . 02 % | 99.8-100.2% |
1.For the food industry
Because citric acid has a mild and sour acidity, it is commonly used in the manufacture of various beverages, sodas, wines, candies, snacks, biscuits, canned juices, dairy products and the like. In the market of all organic acids, citric acid market share of more than 70%, flavoring agents, can also be used as antioxidants in edible oils. At the same time improve the sensory traits of food, enhance appetite and promote the digestion and absorption of calcium and phosphorus substances in the body. Anhydrous citric acid is used in large quantities in solid beverages Salts of citric acid such as calcium citrate and ferric citrate are fortifiers that require the addition of calcium and iron ions in certain foods.
2.Used in the chemical and textile industries
Citric acid can be used as a chemical analysis reagent for chemical analysis, as an experimental reagent, a chromatographic reagent and a biochemical reagent; as a complexing agent and a masking agent; for preparing a buffer solution. The use of citric acid or citrate as a builder can improve the performance of the washing product, can quickly precipitate metal ions, prevent the re-attachment of contaminants on the fabric, maintain the necessary alkalinity for washing, and disperse and suspend the dirt and ash; Improves the performance of surfactants, is an excellent chelating agent; can be used as an acid-resistant reagent for testing architectural ceramic tiles.
3.For environmental protection
Citric acid-sodium citrate buffer is used for flue gas desulfurization.
4.For cosmetics
Citric acid is a kind of fruit acid. Its main function is to accelerate the renewal of keratin. It is often used in lotion, cream, shampoo, whitening products, anti-aging products, acne products. The renewal of keratin helps the exfoliation of melanin in the skin, the shrinkage of pores, the dissolution of blackheads, and the like.
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Storage: Store in a clean, cool, dry and ventilated place
Packing: plastic woven bag, paper plastic composite bag or three layers of kraft paper packing, 25kg/ bag;
Polypropylene container bag, 500kg/ bag or 1000kg/ bag.
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