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Merck
CN

SX0445

Sodium citrate, dihydrate

Synonym(s):

Citric Acid, tri-Sodium Salt, Dihydrate

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About This Item

UNSPSC Code:
12352302
Assay:
99.0-101.0% (acidimetric)
Form:
crystals
Solubility:
720 g/L

Key Documents

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assay

99.0-101.0% (acidimetric)

form

crystals

impurities

≤0.0005% Heavy metals (as Pb)
≤0.0005% Iron (Fe)
≤0.001% Chloride (Cl)
≤0.003% Ammonium (NH4)
≤0.004% Sulfate (SO4)
≤0.005% Calcium (Ca)
≤0.005% Insoluble matter

pH

7.5-9.0 (25 °C, 50 g/L in H2O)

mp

150 °C (anhydrous substance)

solubility

720 g/L

storage temp.

room temp

Quality Level

200

Analysis Note

Ammonium (NH4):0.003% max
Assay (acidimetric):99.0-101.0%
Calcium (Ca):0.005% max
Chloride (Cl):0.001% max
Heavy metals (as Pb):0.0005% max
Insoluble matter:0.005% max
Iron (Fe):0.0005% max
Sulfate (SO4):0.004% max
pH (5%, water, 25°C):7.5-9.0

Application

crystals GR ACS

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Jared A Mereness et al.
The American journal of pathology, 190(2), 426-441 (2019-12-16)
Collagen VI (COL6) is known for its role in a spectrum of congenital muscular dystrophies, which are often accompanied by respiratory dysfunction. However, little is known regarding the function of COL6 in the lung. We confirmed the presence of COL6

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