English name

Tetra-chloro-benzoquinone

CAS No.

118-75-2

Molecular formula

C₆Cl₄O₂

Structural formula

Molecular weight

245.88

Melting point

295-296 °C (dec.)

Boiling point 

290.07°C (rough estimate)

Usage

Pharmaceutical and dye intermediates

Quality standard

Appearance

Golden yellow flaky crystals or powders

Purity

≥99%

Loss on drying

≤0.5%

Burning residue

≤0.2%

Iron ion

≤100ppm

PCDD/PCDFS UPPER BOUND LIMIT
TE (WHO) WITH DL

≤100ppt/kg