Citric acid
Citric acid
  • CAS No.:77-92-9
Other grades of this product :

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)
FEMA 2306 | CITRIC ACID
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
pka3.14(at 20℃)
color White
OdorOdorless
PH3.24(1 mM solution);2.62(10 mM solution);2.08(100 mM solution);
explosive limit8%, 65°F
Water Solubility soluble in Water (1174g/L at 10°C, 1809g/L at 30°C, 3825g/L at 80°C).
Sensitive Hygroscopic
λmaxλ: 260 nm Amax: 0.20
λ: 280 nm Amax: 0.10
Merck 14,2326
JECFA Number218
BRN 782061
Stability:Stable. Incompatible with bases, strong oxidizing agents, reducing agents, metal nitrates.
InChIKeyKRKNYBCHXYNGOX-UHFFFAOYSA-N
CAS DataBase Reference77-92-9(CAS DataBase Reference)
NIST Chemistry Reference1,2,3-Propanetricarboxylic acid, 2-hydroxy-(77-92-9)
EPA Substance Registry SystemCitric acid (77-92-9)


Citric Acid Anhydrous

Citric Acid Anhydrous

Main application: Mainly used as acid condiment, flavoring agent, preservative and pharmaceutical excipients in food & beverage and pharmaceutical industries. It is also used as an antioxidant, plasticizer and detergent builder in chemical, cosmetics and detergent industries;
General characteristics: Colorless crystals or white crystalline granular or powder;
Molecular formula: C6H8O7;
Molecular weight: 192.13;
Package: Kraft paper bag, plastic woven bag, compound bags of PP and Kraft paper, Polypropylene bulk bags and other designated packages in net weight of 25kg/500kg/1000kg etc;
Storage: Store in dry, ventilated and contamination-free room temperature environment. Avoid direct sunlight and open stacking.

Citric Acid Monohydrate

Citric Acid Monohydrate

    Main application: Mainly used as acid condiment, flavoring agent, preservative and pharmaceutical excipients in food & beverage and pharmaceutical industries. It is also used as an antioxidant, plasticizer and detergent builder in chemical, cosmetics and detergent industries;
General characteristics: Colorless crystals or white crystalline granular or powder;
Molecular formula: C6H8O7 • H2O;
Molecular weight: 210.14;
Package: Kraft paper bag, plastic woven bag, compound bags of PP and Kraft paper, Polypropylene bulk bags and other designated packages in net weight of 25kg/500kg/1000kg etc;
Storage: Store in dry, ventilated and contamination-free room temperature environment. Avoid direct sunlight and open stacking.

Trisodium Citrate Dihydrate

Trisodium Citrate Dihydrate

    Main application: Mainly used as acid regulator in food products, flavoring agent, stabilizer, buffering agent, preservative and emulgator in food & beverage industry. In pharmaceutical industries, its used as anticoagulant, expectorants and diuretics. It can replace sodium tripolyphosphate as Non-toxic detergent additives in detergent industry. There are also wild applications in brewing, injection, photographic chemicals, electroplating and other industries;
    General characteristics: Colorless crystals or white crystalline granular or powders;
Molecular formula: C6H5Na3O7 • 2H2O(Trisodium Citrate Dihydrate);C6H5Na3O7(Trisodium Citrate Anhydrous);
Molecular weight: 294.10(Trisodium Citrate Dihydrate);258.07(Trisodium Citrate Anhydrous);
Package: Kraft paper bag, plastic woven bag, compound bags of PP and Kraft paper, Polypropylene bulk bags and other designated packages in net weight of 25kg/500kg/1000kg etc;
Storage: Store in dry, ventilated and contamination-free room temperature environment. Avoid direct sunlight and open stacking.


Tripotassium Citrate Monohydrate

Tripotassium Citrate Monohydrate

Main application: Mainly used as analytical reagents and food additive. It can be used as alkaline potassium in pharmaceutical industry for alkalization of urine and treating hypokalemia. It can also be used to make high efficient compound fertilizer and be used in paper making and plating industries;
General characteristics: Colorless crystals or white crystalline granular or powders;
Molecular formula: C6H5K3O7 • H2O;
Molecular weight: 324.41;
Package: Kraft paper bag, plastic woven bag, compound bags of PP and Kraft paper, Polypropylene bulk bags and other designated packages in net weight of 25kg/500kg/1000kg etc;
Storage: Store in dry, ventilated and contamination-free room temperature environment. Avoid direct sunlight and open stacking.

Calcium Citrate

Calcium Citrate

Main application: It is used as nutrition enhancer in food and calcium supplements in medicines and health products;
General characteristics: White crystal or crystalline powder; 
Molecular formula: Ca3(C6H5O7)2 • 4H2O;
Molecular weight: 570.50;
Package: Kraft paper bag, plastic woven bag, 25kg/bag and other sizes;
Storage: Store in dry, ventilated and contamination-free room temperature environment. Avoid direct sunlight and open stacking.

Magnesium Citrate

Magnesium Citrate

Main application: Mainly used in food and pharmaceutical industry;
General characteristics: White or nearly white, fine powder;
Molecular formula: Mg3(C6H5O7)2 • 9H2O(Magnesium Citrate Nonahydrate);Mg3(C6H5O7)2(Magnesium Citrate Anhydrous);
Molecular weight: 613.25(Magnesium Citrate Nonahydrate);451.1(Magnesium Citrate Anhydrous);
Package: Kraft paper bag, plastic woven bag, 25kg/bag and other sizes;
Storage: Store in dry, ventilated and contamination-free room temperature environment. Avoid direct sunlight and open stacking.


Zinc Citrate

Zinc Citrate

Main application: Mainly used as nutrition enhancer in food and zinc supplements in medicines and health products;
General characteristics: White crystal or crystalline powder;
Molecular formula: Zn3(C6H5O7)2 • 2H2O(Zinc Citrate Dihydrate);Zn3(C6H5O7)2 • 3H2O(Zinc Citrate Trihydrate);
Molecular weight: 610.37(Zinc Citrate Dihydrate);628.38(Zinc Citrate Trihydrate);
Package: Kraft paper bag, plastic woven bag, 25kg/bag and other sizes;
Storage: Store in dry, ventilated and contamination-free room temperature environment. Avoid direct sunlight and open stacking.

 



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