| Citric acid Basic information |
| Distributed in nature Physicochemical properties History of discovery The application in the food industry Applications in the pharmaceutical industry Applications in industry Krebs cycle Solubility in water chemical property Uses Methods of production |
| Product Name: |
Citric acid |
| Synonyms: |
Citric acid, AR,≥99.5%(T);Citric acid anhydrou;Citric Acid Anhydrous,citric acid anhydrous bp,citric acid anhydrous;anhydrouscitricacid;beta-Hydroxytricarballylic acid;beta-hydroxytricarballylicacid;beta-hydroxy-tricarboxylicacid;AMMONIACAL AMMONIUM CHLORIDE BUFFER |
| CAS: |
77-92-9 |
| MF: |
C6H8O7 |
| MW: |
192.12 |
| EINECS: |
201-069-1 |
| Product Categories: |
AlphabeticalBiochemicals and Reagents;BioUltra Buffers;ChelatorsBiochemicals and Reagents;Luminescent Compounds/Detection;Solvents, Buffers and Reagents for Luminescence;Biological Buffers;Biological BuffersBiological Buffers;Buffers A to ZProtein Electrophoresis;Capillary Zone ElectrophoresisBiochemicals and Reagents;ChelatorsNutrition Research;Other Biochemical;Biochemicals Found in Plants;Capillary Electrophoresis;Cell Culture;Reagents and Supplements;Buffer Concentrates (FIXANAL);pH Buffers for Titration;Titration;C6Nutrition Research;Carbonyl Compounds;Carboxylic Acids;Food & Flavor Additives;Other BiochemicalPharmacopoeia (USP);Pharmacopoeial OrganicsCell Culture;USP Chemicals and ReagentsBiological Buffers;USP/MultiCompendial Grade BuffersMore...Close...;Pharmacopoeia A-ZPharmacopoeia (USP);Alphabetical Listings;C-D;Flavors and Fragrances;Buffers A to ZBiochemicals and Reagents;Biochemicals and Reagents;Other BiochemicalEssential Chemicals;Reagent Grade;Pharmacopoeia A-ZBiological Buffers;Pharmacopoeia (USP);USP/MultiCompendial Grade Buffers;Buffer Solutions, pH 5 - 9pH Buffers for Titration;Buffer Solutions;Other Buffer Solutions;ACS Grade;ACS Grade Buffers;Bioactive Small Molecules;Biochemicals and Reagents;Biological Buffers;Buffers A to Z;Building Blocks;C6;Carbonyl Compounds;Carboxylic Acids;Cell Biology;Chelators;Chemical Synthesis;CI-CY;Essential Chemicals;Inorganic Salts;Nutrition Research;Organic Building Blocks;Other Biochemical;Phytochemicals by Chemical Classification;Research Essentials;Solutions and Reagents;FOOD ADDITIVES;Water Ttreatment Chemicals;CI - CLOther Lipid Related Products;NeatsChromatography;Alphabetic;C;Fatty AcidsFA/FAME/Lipids/Steroids;Food&Beverage Standards;Free Fatty Acids;Lipid Analytical Standards;Organic Acids;C6Biochemicals and Reagents;Other BiochemicalMore...Close...;ACS Grade BuffersBiological Buffers;ACS GradeBiological Buffers;Buffers A to ZCarbonyl Compounds;Essential Chemicals;Routine Reagents;Food additive and acidulant |
| Mol File: |
77-92-9.mol |
| |
| |
| Citric acid Chemical Properties |
| Melting point |
153-159 °C(lit.) |
| Boiling point |
248.08°C (rough estimate) |
| density |
1.542 |
| vapor pressure |
<0.1 hPa (20 °C) |
| FEMA |
2306 | CITRIC ACID |
| refractive index |
1.493~1.509 |
| Fp |
100 °C |
| storage temp. |
Store at RT. |
| solubility |
H2O: 1 M at 20 °C, clear, colorless |
| pka |
3.14(at 20ºC) |
| form |
grit |
| color |
White |
| PH |
1.0-2.0 (25ºC, 1M in H2O) |
| explosive limit |
8%, 65°F |
| Water Solubility |
750 g/L (20 ºC) |
| λmax |
λ: 260 nm Amax: 0.20
λ: 280 nm Amax: 0.10 |
| Sensitive |
Hygroscopic |
| JECFA Number |
218 |
| Merck |
14,2326 |
| BRN |
782061 |
| Stability: |
Stable. Incompatible with bases, strong oxidizing agents, reducing agents, metal nitrates. |
| InChIKey |
KRKNYBCHXYNGOX-UHFFFAOYSA-N |
| CAS DataBase Reference |
77-92-9(CAS DataBase Reference) |
| NIST Chemistry Reference |
1,2,3-Propanetricarboxylic acid, 2-hydroxy-(77-92-9) |
| EPA Substance Registry System |
Citric acid (77-92-9) |
1. Citric Acid widely used in production of cool and refreshing drink and acid agent for candy in food industry.
Also used in pharmaceutical and chemical industry.
2. Citric Acid is mainly used as acidulant, flavoring agent, preservative and antistaling agent in food and beverage Industry. Moreover, it is also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries.
| Description |
White crystals |
| Solubility |
Pass test |
| Clarity & color solution |
clear |
| Content |
99.5-101.0% |
| Sulphate |
≤150ppm |
| Oxalate |
≤100ppm |
| Heavy Metals (as Pb) |
≤10ppm |
| Barium |
pass |
| Calcium |
≤200ppm |
| Iron |
≤50ppm |
| Chloride |
≤50ppm |
| Vitriol ash |
≤0.05% |
| Water |
≤0.5% |
| Readily cardonsiable Substances |
Not darker than the standard |
| Lead |
≤0.5ppm |
| As |
≤1ppm |
| Mercury |
≤1ppm |
| Aluminium |
≤0.2ppm |
| Bacterial Endotoxin |
≤0.5IU/mg |
Packing&Shipping
FAQ
Q1.What's the payment terms?
We could accept T/T, L/C, DP payment terms.
Q2.How about the different index of products in same application?
Specifications can be customized according to your application.
Q3.How about the samples of products?
We can provide free samples under 2Kg(not including freight charge).
Q4.How about the price of products?
Our products are chemical synthesis got from underground brine, which is available for a variety of usage. Our products are high purity with good quality, and the price is based on different specification and quantity.
Q5.What's the shelf life for the cargoes?
Our product's shelf life is 2 years, which is based on dry and ventilated storage.
Q6.What's the package of the cargoes?
20kg/25kg woven bags, within plastic bags, or as customized.
Q7.What's the delivery time?
We usually deliver the cargoes within 10~20 days after receiving customer's payment or original L/C.
Q8.Which documents can we supply?
Commercial Invoice, Packing List, Certificate of Analysis, Certificate of Origin (FORM E), Bill of Loading, ISO etc.
The documents will be sent by Express within 24 hours against your full payment.
Q9.Why do you choose us?
We accept safe and diversified payment terms.
We supply a price trend to ensure clients know marketing information in time. We will take charge of 100% responsibility for
quality issue. We strive to create value for each customer we serve by meeting their unique needs and providing solutions to solve their problems and achieve their objectives.
Audited Supplier 
){kind=link}
){kind=link}