Citric acid, Meets analytical specification of BP, Ph. Eur,

Name: Citric acid
Description: Meets analytical specification of BP, Ph. Eur., USP, E330, Anhydrous, 99.5-100.5% (based on anhydrous substance)

Container Type: Plastic Bottle

Molar Mass: 192.12 g/mol

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

CAS Number: 77-92-9
Bielstein Registry Number: 782061
EC Number: 201-069-1
MDL Number: MFCD00011669
RTECS Number: GE7350000
UNSPSC Code: 12352106

SPECIFICATIONS

Assay (calculated on the anhydrous basis): 99.5 - 100.5 %
Water (Karl Fischer): max. 0.5 %
Sulfated ash: max. 0.05 %
Aluminium (Al): max. 0.2 ppm
Arsenic (As): max. 1 ppm
Calcium (Ca): max. 0.02 %
Copper (Cu): max. 0.001 %
Iron (Fe): max. 0.001 %
Mercury (Hg): max. 1 ppm
Lead (Pb): max. 0.5 ppm
Zinc (Zn): max. 0.001 %
Heavy metals (as Pb): max. 5 ppm
Chloride (Cl): max. 0.005 %
Oxalate (as Oxalic acid): max. 100 ppm
Sulfate (SO₄): max. 100 ppm
Reaction against H₂SO₄: complying
Residual solvents: complying
Appearance of the solution: complying



PHYSICAL PROPERTIES

Form: grit
Ignition Residue: ≤0.05% (as SO₄)
pKa : (1) 3.13, (2) 4.76, (3) 6.4
Explosion Limit: 8 %, 65 °F

Freezing Point: 153 - 159 °C
Density: 1.67 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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