27109
无水柠檬酸粉末
meets analytical specification of Ph. Eur., BP, USP, E330, anhydrous, 99.5-100.5% (based on anhydrous substance)
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Quality Segment
assay
99.5-100.5% (based on anhydrous substance)
form
grit
quality
anhydrous, meets analytical specification of Ph. Eur., BP, USP, E330
expl. lim.
8 %, 65 °F
impurities
residual solvents, complies, ≤0.0005% heavy metals (as Pb), ≤0.5% water (Karl Fischer)
ign. residue
≤0.05% (as SO4)
pKa
(1) 3.13, (2) 4.76, (3) 6.4
mp
153-159 °C (lit.)
solubility
water: 383 g/L at 25 °C
anion traces
chloride (Cl-): ≤50 ppm, oxalate (as oxalic acid): ≤100 ppm, sulfate (SO42-): ≤100 ppm
cation traces
Hg: ≤1 ppm, As: ≤1 ppm, Ca: ≤200 ppm, Cu: ≤10 ppm, Fe: ≤10 ppm, Pb: ≤0.5 ppm, Zn: ≤10 ppm
suitability
complies for appearance of solution, complies for reaction against H2SO4
SMILES string
OC(=O)CC(O)(CC(O)=O)C(O)=O
InChI
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)
InChI key
KRKNYBCHXYNGOX-UHFFFAOYSA-N
Gene Information
human ... SRC(6714)
Application
Biochem/physiol Actions
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable