Citric acid

200

99.5-100.5% (based on anhydrous substance)

grit

anhydrous, meets analytical specification of Ph. Eur., BP, USP

8 %, 65 °F

residual solvents, complies, ≤0.0005% heavy metals (as Pb), ≤0.5% water (Karl Fischer)

≤0.05% (as SO₄)

(1) 3.13, (2) 4.76, (3) 6.4

153-159 °C (lit.)

water: 383 g/L at 25 °C

chloride (Cl^-): ≤50 ppm, oxalate (as oxalic acid): ≤100 ppm, sulfate (SO₄^2-): ≤100 ppm

Hg: ≤1 ppm, As: ≤1 ppm, Ca: ≤200 ppm, Cu: ≤10 ppm, Fe: ≤10 ppm, Pb: ≤0.5 ppm, Zn: ≤10 ppm

complies for appearance of solution, complies for reaction against H₂SO₄

OC(=O)CC(O)(CC(O)=O)C(O)=O

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)

KRKNYBCHXYNGOX-UHFFFAOYSA-N

human ... SRC(6714)