Phthalic acid

CAS Number88-99-3
FormulaC6H4-1
Mol. Weight166.13 g/mol
Phthalic acid
What is Phthalic acid?
Phthalic acid is a chemical compound with CAS number 88-99-3 and molecular formula C6H4-1. It is used in various industrial and research applications.
Specifications
Linear Formula
C6H4-1,2-(CO2H)2
Molecular Weight
166.13 g/mol
Grade
ACS reagent
Assay/Purity
≥99.5%
Impurities
≤0.05% insolubles
≤0.5% water
Safety Information
GHS07Signal Word
Warning
Hazard Statements
H315-H319-H335
Precautionary Statements
P261-P305 + P351 + P338
Required PPE
dust mask type N95 (US), Eyeshields, Gloves
Melting Point
210-211 °C (dec.)(lit.)
Ignition Residue
≤0.02%
Anion Traces
chloride (Cl-): ≤0.001%
nitrate (NO3-): ≤0.005%
sulfate (SO42-): ≤0.005%
Cation Traces
Fe: ≤0.001%
heavy metals: ≤0.001%
EC Number
201-873-2
WGK Germany
3
Frequently Asked Questions
Alternative Names & Synonyms
2-(CO2H)2
