
Citric Acid Anhydrous CAS 77-92-9



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- Appearance: White powder
- Purity: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: Citric Acid Anhydrous Supplier & Manufacturer
Citric Acid Anhydrous: The Complete Guide
- Item 1: Basic Info
- Item 2: What is Citric Acid Anhydrous?
- Item 3: Application of Citric Acid Anhydrous in Food Industry
- Item 4: The Manager has Something to Say
- Item 5: Application of Citric Acid Anhydrous in Pharmaceutical Industry
- Item 6: Industrial Application of Citric Acid Anhydrous
- Item 7: Quality Control of Citric Acid Anhydrous
- Item 8: Hot Sale Products
- Item 9: Get Citric Acid Anhydrous Quotation
Citric Acid Anhydrous for Sale
Basic Info
Chemical Name: | Citric Acid Anhydrous |
Other Name: | Citric acid anhydrous; Citric acid powder; Citrate; Lemon acid; 2-Hydroxypropanetricarboxylic acid |
CAS: | 77-92-9 |
EINECS: | 201-069-1 |
Type: | Food additives; Flavors and fragrances; Plant extracts |
Molecular Formula: | C6H8O7 |
Molecular Weight: | 192.12 |
Melting point | 153-159 °C (lit.) |
Boiling point | 248.08°C (rough estimate) |
density | 1.67 g/cm3 at 20 °C |
vapor density | 7.26 (vs air) |
vapor pressure | <0.1 hPa (20 °C) |
refractive index | 1.493~1.509 |
Fp | 100 °C |
storage temp. | 2-8°C |
solubility | Citric acid also dissolves in absolute (anhydrous) ethanol (76 parts of citric acid per 100 parts of ethanol) at 15 °C. |
form | grit |
pka | 3.14(at 20℃) |
color | White |
PH | 3.24(1 mM solution);2.62(10 mM solution);2.08(100 mM solution); |
Odor | Odorless |
explosive limit | 8%, 65°F |
Water Solubility | soluble in Water (1174g/L at 10°C, 1809g/L at 30°C, 3825g/L at 80°C). |
Sensitive | Hygroscopic |
Brand Name: | Zhishang Chemical |
Provide: | Citric Acid Anhydrous MSDS; Citric Acid Anhydrous COA |
What is Citric Acid Anhydrous?
Citric acid anhydrous is a natural component as well as an intermediate product of physical metabolic rate in pets and plants. It is also one of the most widely utilized organic acids in the fields of food, medicine, and chemical market. It is an anemic transparent or translucent crystal, or granular or granular powder, odorless, with a strong sour preference, however enjoyable, a little astringent.
Citric acid (2-hydroxypropanetricarboxylic acid), with the formula C6H8O7, is a medium-strength organic acid that consists of 3 carboxyl (R-COOH) groups. Citric acid is an all-natural chemical normally taking place in citrus fruits and a sour seasoning additive in foods as well as drinks. In biochemistry and biology, it is an important intermediate of the citric acid cycle as well as therefore plays an essential function in the metabolism of mostly all living things. In addition, it is likewise an eco-friendly cleaner.
Several vegetables and fruits, particularly citrus fruits, are rich in citric acid, specifically lemons as well as limes – they contain a lot of citric acid, when dried out, the web content can get to 8% (the material in the juice about 47 g/L). In citrus fruits, the content of citric acid is in between 0.005 mol/L in orange and grapefruit and 0.30 mol/L in lemon as well as lime. This content varies with different cultivars and plant development conditions. “Citric acid” is named after a fruit of the category Citrus, Citrus medica.
Application of Citric Acid Anhydrous in Food Industry
Anhydrous citric acid is called the first edible sour agent, and also my country’s GB2760-1996 states that it is a level of acidity regulator for food that is permitted to be used. In the food market, it is commonly utilized as sour agent, solubilizer, buffer, antioxidant, dubious and deodorizing agent, chelating representative, and so on, and its particular uses are too various to mention.
According to data at home and also abroad, the usage of citric acid in the drink market represent 75% to 80% of the overall production of citric acid. Citric acid is one of the all-natural components of fruit juice. It not just passes on fruit flavor however likewise has the functions of solubilization, buffering, as well as anti-oxidation. It makes the sugar, significance, pigment and other parts in the beverage blend as well as collaborate, creating an unified taste and fragrance, as well as can enhance the antimicrobial effect. disinfectant impact.
For that reason, it is commonly used to prepare numerous fruit-type sodas. As an example, fruit-type soda generally includes acid in between 0.10% and also 0.25%. For beverages that are not filled with carbon dioxide, such as water, fruit juice, sugar, acid, pigment, as well as taste mixture, citric acid is used to change the pH to a specific level of acidity, so that the titrated level of acidity of the item is in between 0.25% and also 0.40%. For pulp-type solid beverage powder, the quantity of citric acid included can be increased to 1.5% to 5.0%. In the last few years, with the continuous enhancement of city as well as rural individuals’s living criteria, the need for numerous beverages has increased considerably. It can be forecasted that the usage of citric acid in the beverage sector will certainly raise substantially in the future.
The duty of citric acid in jams and jellies is similar to that in beverages. It mostly adjusts the pH of the item and also passes on a sour preference to the product. The pH has to be adapted to a slim range that is most ideal for pectin coagulation. According to the different sorts of pectin made use of, the pH can be limited in between 3.0 and 3.4. In the production of jam, it can enhance the flavor and stop the problems of sucrose formation as well as sanding.
Adding citric acid to sweet can boost the sour taste and also prevent the oxidation of various active ingredients as well as the formation of sucrose. General sour candy can consist of 2% citric acid. After the sugar is boiled, citric acid, tinting as well as significance are combined throughout the cooling process of the massecuite. In the production of pectin jelly, citric acid can change the sour preference as well as improve the gel stamina. Anhydrous citric acid is used in chewing gum tissue as well as powdered food.
Citric acid has the characteristics of chelation and also pH modification, which can reinforce the antioxidant result as well as inactivate enzymes, as well as can a lot more reliably ensure the security of frozen food. Citric acid, alone or in mix with erythorbic acid, assists prolong the shelf life of icy fish and also shellfish by suspending enzymes that trigger fish spoilage and also shellfish damage as well as withdrawing micronutrient. Seafood products are usually taken in 0.25% citric acid and also 0.2% isoascorbic acid option before cold, which is conducive to quality conservation and refrigeration. It is also efficient for maintaining fresh pork fresh as well as protecting against corruption. Citric acid can also prevent the degeneration of the color and also aroma of frozen fruit, which is likewise the efficiency of inhibiting the enzyme system in the fruit and also preventing the oxidation of micronutrient. As an example, the combination of 0.1%-0.3% citric acid and 0.001%-0.002% erythorbic acid works.
The Manager has Something to Say

This is William, CEO of Zhishang Chemical Co., Ltd.
Welcome to visit our factory . As the top chemical manufacturer, we have been striving for product quality, innovation , R&D, and customer service for the past 7 years. In the next 10 years or even longer, we are committed to becoming the most reliable chemical supplier in the world , creating a well-known international brand trusted by customers, with the spirit of “one meter wide, ten thousand meters deep”, we continue to focus on product research and development, continue to focus on customer service, continue to improve the supply chain service system, to create a professional chemical supply service team, to achieve win-win long-term cooperation. Please feel free to contact us if you have any questions.
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If you want to buy citric acid anhydrous, pls contact us to get a free quote.
Application of Citric Acid Anhydrous in Pharmaceutical Industry
Effervescence is a release system for oral ingredients of popular drugs. The reaction of citric acid and sodium carbonate or sodium bicarbonate aqueous solution produces a large amount of CO2 (ie effervescence) and sodium citrate, which can quickly dissolve the active ingredients in the drug and enhance the taste ability. For example, to solubilize laxatives and analgesics. Citric acid syrup is a refreshing drink for fever patients, which has the effects of flavor correction, cooling and detoxification. Citric acid is widely used in various nutritional oral liquids, etc., to buffer pH3.5-4.5, maintain the stability of active ingredients, and strengthen the effect of preservatives.
The combination of citric acid and fruit flavors can give people a favorite sour taste to mask the bitterness of medicines, especially in traditional Chinese medicine preparations. Adding 0.02% citric acid to liquid ingredients can form a complex of trace iron and copper to delay the degradation of active ingredients effect. The use of 0.1% to 0.2% citric acid in chewable tablets can improve the flavor of the tablets and make them have a lemon flavor.
Industrial Application of Citric Acid Anhydrous
The metal purification formula based upon citric acid can successfully remove the oxides based on the surface of ferrous as well as non-ferrous metals. As a weak organic acid, it can cause minor damage to the surface layer of steels. However, it serves as a metal ion chelating representative It increases the migration of steel oxides. In lots of steel pickling systems, in order to remove the stress cracks of metal oxides as well as minimize the deterioration and embrittlement of high-strength steels, citric acid is utilized to eliminate corrosion rather than inorganic strong acids. In boilers, heating units, superheater tubes, unclean reactors, and also stainless steel equipment, citric acid is generally utilized to pre-wash and also detoxify iron as well as copper oxides, specifically where chlorides are not permitted to exist.
The purification reaction of citric acid option should be accomplished when the temperature level is more than 37.8 ° C, and the purification time need to be extended when it is lower than 37.8 ° C, as well as the amount of citric acid must be readjusted and also the action problems should be changed according to the increase or reduction of the estimated precipitation. Citric acid is a high-efficiency chelating cleaner, which works for calcium, magnesium, iron, chromium, copper and other dirt. It is extensively made use of for cleaning up various steel surface areas. After washing, the wastewater can be biodegraded and also does not pollute the setting. Over the last few years, citric acid appropriates for chemical therapy of metal purification and non-polluting ashing of waste solvents. In the ash, citric acid particles are melted right into carbon dioxide as well as water vapor, as well as beneficial steels can be recouped from the ash., For hazardous or contaminated aspects, it can be totally enclosed for chemical treatment.
Sodium citrate can enhance the purification performance, as well as can speed up biodegradation in many house detergent items. It can be utilized as a substitute for phosphate and also is commonly made use of in cleaning powder and also cleaning agent. Sodium citrate and aluminosilicate It is extremely effective to boost the cleansing effect of the cleaning agent together. These products use industrial quality 50% citric acid remedy as raw material. In non-synthetic detergent options, citric acid is also made use of in hot water removal carpet cleaners, baths and fabric conditioners as a result of its buffering impact and also ability to chelate trace metals.
Making use of microelement plant nutrient service soilless cultivation in agronomy has long been common in foreign nations, and it has additionally begun to develop in China. In order to remove some copper, zinc, manganese, chromium as well as other excess components in the soil, citric acid is usually used to chelate these aspects. Making use of citric acid instead of phosphate can attain acceptable yield increasing result.
Citric acid has a distributing effect, which can lower the viscosity of some crucial slurry resources. In mining, for instance, the viscosity problem of phosphate rock powder in hydraulic transportation is frequently the major reason for clay swelling. Using citric acid treatment can manage the swelling and also make the slurry raw material simple to transportation. Citric acid also minimizes rainfall of focused raw meal of titanium dioxide, making it easier to manage and move wholesale. Citric acid can also be made use of in low dimension glue, paint and textile raw material therapy and dispersant of titanium dioxide.
Reference
- Citric acid – WikiPedia
- Penniston KL, Nakada SY, Holmes RP, Assimos DG (2008). “Quantitative Assessment of Citric Acid in Lemon Juice, Lime Juice, and Commercially-Available Fruit Juice Products”. Journal of Endourology.
Citric Acid Anhydrous Supplier and Manufacturer
As a citric acid anhydrous supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best citric acid anhydrous raw materials to customers all over the world.
Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.
If you have a demand for citric acid anhydrous and related products, please contact our service staff Zhishang Chemical – White directly, and we will provide you with high-quality products at the best price.
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Do you accept sample order?
We will make samples before mass production, and after the sample is approved, we’ll begin mass production. Doing 100% inspection during production, then doing random inspection before packing.
What’s your MOQ?
Our MOQ is 1kg. But usually we accept less quantities, such as 100g on the condition that the sample charge is 100% paid.
Is there a discount?
The different quantity has different discount.
HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests, we will manufacture the products according to your requests.
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Yes. We’ll give you product analysis report before shipping.
1. ≤50kg, Express delivery recommended, usually called DDU service;
2. ≤500kg, Air shipping recommended, usually called FOB, CFR, or CIF service;
3. >500kg, sea shipping recommended, usually called FOB, CFR, or CIF service;
4. For high-value products, please select air shipping and express delivery for safe.
Quality Control of Citric Acid Anhydrous

