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Citric Acid Monohydrate 99% Extrapure
2-Hydroxy-1,2,3-propanetricarboxylic acid monohydrate
Product Code. |
00823 |
Grade |
Extrapure |
Purity |
99% |
CAS No. |
5949-29-1 |
Molecular Formula |
C6H8O7.H2O |
Molecular Weight |
210.14 |
H.S.Code |
2918.14000 |
Shelf Life |
60 Months |
Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
pH value |
1.8 at 50 g/l at 20 °C |
Melting point/ Freezing point [°C] |
153°C |
Flash point [°C] |
173.9 °C |
Boiling point [°C] |
175°C |
Vapour pressure mm/Hg |
3.70E-009 mm Hg @ 250C |
Vapour density |
7.26 |
Density [g/cm3] |
1.665 |
Solubility in water [% weight] |
59.2% (20°C) |
Appearance | White or almost white, crystalline powder , colorless crystals or granules efflorescent |
Assay (by NaOH titration) | Min 99.0% |
Insoluble matter in water | Max 0.01% |
Chloride (Cl) | Max 0.005% |
Sulphate (SO4) | Max 0.01% |
Oxalate (as C2H2O4) | Max 0.035% |
Heavy metal (as Pb) | Max 0.001% |
Lead (Pb) | Max 0.001% |
Iron (Fe) | Max 0.001% |
Zinc (Zn) | Max 0.001% |
Arsenic (As) | Max 0.0001% |
Calcium (Ca) | Max 0.02% |
Barium (Ba) | Max 0.002% |
Reaction against H2SO4 | Passes test |
Water (H2O) | 7.5 - 8.8% |
Sulphated ash (at 600°C) | Max 0.05% |
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338