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Citric Acid Monohydrate CAS#5949-29-1

  • Citric Acid Monohydrate CAS#5949-29-1
  • Citric Acid Monohydrate CAS#5949-29-1
  • Citric Acid Monohydrate CAS#5949-29-1
  • Citric Acid Monohydrate CAS#5949-29-1
  • Citric Acid Monohydrate CAS#5949-29-1

Citric Acid Monohydrate CAS#5949-29-1

High Solubility: Citric acid monohydrate dissolves easily in water and ethanol, ensuring fast and efficient use in various formulations.


Stable and Recognizable Physical Form: It appears as clear crystals or uniform granules, making it easy to handle, store, and process.


Strong Acidic Performance: With a pronounced sour taste and strong reactivity, it is highly effective in acidification, chelation, and chemical reactions.


Well-Defined Thermal Properties: Its specific melting point and clear transformation behavior provide predictable performance during heating and processing.


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product description

Products Description of Citric Acid Monohydrate CAS#5949-29-1

Citric acid monohydrate generally appears as white, transparent or semi-transparent crystals, and may also be found in granular or powdered form. It is odorless, exhibits a pronounced sour taste with a mild astringent note, and contains about 8.58% crystal water. Its melting point ranges from 70 to 75 °C, with a relative density of 1.542 at 20 °C. When exposed to dry air for extended periods, it tends to effloresce as the water of crystallization is gradually lost. The crystals have an orthorhombic prismatic structure, and the critical temperature for conversion to anhydrous citric acid is 36.6 ± 0.15 °C. It dissolves readily in water, is soluble in ethanol, slightly soluble in ether, and insoluble in benzene, toluene, carbon disulfide, carbon tetrachloride, and fatty acids. As a strong acid, it readily reacts with a wide range of substances such as acids, bases, glycerol, salts, and metal ions, and it decomposes into various products when heated.

Product Applications of Citric Acid Monohydrate CAS#5949-29-1

Citric acid monohydrate is widely applied in the food and beverage industry as an acidulant, flavor enhancer, preservative, and freshness-maintaining agent. Beyond food use, it also serves important functions in the chemical, cosmetics, and detergent industries, where it is used as an antioxidant, plasticizer, and cleaning component. Overall, citric acid monohydrate has a broad range of applications, including water quality adjustment, enhancement of biological immunity, and support of growth promotion.



Product Information

Parameters

Melting point-94 °C(lit.)
Boiling point56 °C760 mm Hg(lit.)
density0.791 g/mL at 25 °C(lit.)
vapor density2 (vs air)
vapor pressure184 mm Hg ( 20 °C)
refractive indexn20/D 1.359(lit.)
Fp1 °F
storage temp.no restrictions.
solubilityCitric Acid Monohydrate is very soluble in water, freely soluble in ethanol and sparingly soluble in ether.
pka3.138, 4.76, 6.401
formSolid
Specific Gravity0.810 (20/4℃)
colorWhite
PH1.85 (50g/l, H2O, 25℃)
OdorTypical, practically odorless
Water Solubility1630 g/L (20 oC) ;H2O: soluble 54% (w/w) at 10°C (Citric acid in water)
SensitiveHygroscopic
Merck142326
BRN4018641
Stability:Stable. Incompatible with oxidizing agents, bases, reducing agents, nitrates.
InChIKeyYASYEJJMZJALEJ-UHFFFAOYSA-N
CAS DataBase Reference5949-29-1(CAS DataBase Reference)
NIST Chemistry ReferenceCitric acid monohydrate(5949-29-1)
EPA Substance Registry System1,2,3-Propanetricarboxylic acid, 2-hydroxy-, hydrate (1:1) (5949-29-1)


Safety Information


Hazard CodesF,Xi
Risk Statements11-36-66-67-41-36/37/38-37/38
Safety Statements9-16-26-37/39-36/37/39-36
RIDADRUN 1090 3/PG 2
WGK Germany1
RTECSAL3150000
TSCAYes
HS Code29181400
ToxicityLD50 orally in Rabbit: 3000 mg/kg


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Before leaving the factory: We require the factory to provide a Certificate of Analysis (COA) for the specific batch.
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Usage Guidance: Assistance with adjusting processing parameters (if required).
Complaint Handling: Response within 48 hours and a solution provided within 7 days.
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