CX1723
Citric Acid, Anhydrous
anhydrous Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Synonym(s):
Citric acid
About This Item
Agency
meets USP/NF
Quality Level
vapor pressure
<0.1 hPa ( 20 °C)
Assay
99.5-100.5% dry basis (alkalimetric)
form
fine powder
expl. lim.
8 %, 65 °F
impurities
≤0.005% Water-insoluble matter
≤1% Water (Karl Fischer)
sulfated ash (600 °C)
≤0.02%
color
white to almost white
pH
1.7 (20 °C, 100 g/L in H2O)
pKa
(1) 3.13, (2) 4.76, (3) 6.4
bp
200 °C/1013 hPa (decomposition)
mp
153-159 °C (lit.)
solubility
1330 g/L
density
1.67 g/cm3 at 20 °C
anion traces
chloride (Cl-): ≤0.001%
oxalate (C2O42-): ≤0.036%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.002%
cation traces
Fe: ≤0.0003%
Pb: ≤0.0002%
shipped in
ambient
storage temp.
room temp
SMILES string
OC(=O)CC(O)(CC(O)=O)C(O)=O
InChI
1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
InChI key
KRKNYBCHXYNGOX-UHFFFAOYSA-N
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Related Categories
Application
Analysis Note
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
Certificates of Analysis (COA)
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