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Phthalic acid

Phthalic acid chemical structure
CAS Number88-99-3
FormulaC6H4-1
Mol. Weight166.13 g/mol

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

GHS07GHS07
Signal 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