27102
Citric acid monohydrate
puriss., meets analytical specification of Ph. Eur., BP, USP, E330, 99.5-100.5% (based on anhydrous substance), grit
Synonym(s):
2-hydroxy-1,2,3-propanetricarboxylic acid monohydrate
About This Item
Recommended Products
grade
puriss.
assay
99.5-100.5% (based on anhydrous substance)
form
grit
quality
meets analytical specification of Ph. Eur., BP, USP, E330
impurities
residual solvents, complies
≤0.0005% heavy metals (as Pb)
7.5-8.8% water (Karl Fischer)
ign. residue
≤0.05% (as SO4)
pKa
(1) 3.13, (2) 4.76, (3) 6.4
anion traces
chloride (Cl-): ≤50 mg/kg
oxalate (as oxalic acid): ≤100 mg/kg
sulfate (SO42-): ≤100 mg/kg
cation traces
As: ≤1 mg/kg
Ca: ≤200 mg/kg
Cu: ≤10 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤10 mg/kg
suitability
complies for appearance of solution
complies for identity (IR)
complies for reaction against H2SO4
SMILES string
OC(CC(O)(C(O)=O)CC(O)=O)=O.O
InChI
1S/C6H8O7.H2O/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);1H2
InChI key
YASYEJJMZJALEJ-UHFFFAOYSA-N
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General description
Application
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
345.0 °F - closed cup
flash_point_c
173.9 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
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