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
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About This Item
grade
puriss.
Quality Segment
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
functional group
carboxylic acid
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
General description
Application
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Signal Word
Warning
Hazard Codes
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class
11 - Combustible Solids
Flash Point (°F)
345.0 °F - closed cup
Flash Point (°C)
173.9 °C - closed cup
PPE (personal protective equipment)
dust mask type N95 (US), Eyeshields, Gloves
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