Citric acid
CAS Number77-92-9
FormulaN/A
Mol. Weight192.12 g/mol
Citric acid
What is Citric acid?
Citric acid is a chemical compound with CAS number 77-92-9. It is used in various industrial and research applications.
Specifications
Linear Formula
HOC(COOH)(CH2COOH)2
Molecular Weight
192.12 g/mol
Grade
ACS reagent
Assay/Purity
≥99.5%
Impurities
Substances carbonizable by hot sulfuric acid, passes test
Solubility
H2O: soluble1 M at 20 °C, clear, colorless
Safety Information
GHS07Signal Word
Warning
Hazard Statements
H319
Precautionary Statements
P305 + P351 + P338
Required PPE
dust mask type N95 (US), Eyeshields, Gloves
Melting Point
153-159 °C(lit.)
Ignition Residue
≤0.02%
Anion Traces
chloride (Cl-): ≤0.001%
oxalate (C2O42-): passes test (limit about 0.003%)
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.002%
Cation Traces
Fe: ≤3 ppm
Pb: ≤2 ppm
EC Number
201-069-1
WGK Germany
1