Citric acid monohydrate, Tested according to Ph.Eur.

Name: Citric acid monohydrate
Synonymn: Acidum citricum monohydricum
Description: Tested according to European Pharmacopoeia

Container Type: Plastic Bottle

Molar Mass: 210.14 g/mol

Empirical Formula: C₆H₈O₇ · H₂O
Linear Formula: HOC(COOH)(CH₂COOH)₂ · H₂O

CAS Number: 5949-29-1
Bielstein Registry Number: 4018641
MDL Number: MFCD00149972
RTECS Number: 201-069-1
UNSPSC Code: GE7810000

SPECIFICATIONS

Identity (IR): complying
Assay (calculated on the anhydrous basis): 99.5 - 100.5 %
Appearance of the solution: complying
Sulfated ash: max. 0.1 %
Water (Karl Fischer): 7.5 - 9.0 %
Heavy metals (as Pb): max. 10 ppm
Sulfate (SO₄): max. 150 ppm
Reaction against H₂SO₄: complying
Readily carbonisable substances: complying
Oxalate (as Oxalic acid): max. 360 ppm
Residual solvents: complying



PHYSICAL PROPERTIES

pKa : (1) 3.13, (2) 4.76, (3) 6.4

Freezing Point: 135 - 152 °C
Density: 1.54 g/cm3



SAFETY INFORMATION

Signal Word: Warning

GHS Classification:
Harmful (GHS07)

Hazard Statement(s):
Causes serious eye irritation (H319)

Precautionary Statement(s):
Wash thoroughly after handling (P264)
Wear protective gloves/protective clothing/eye protection/face protection (P280)

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