1,4-Bis(chloromethyl)benzene

Chemical Intermediates 2025-03-02

CAS No.: 623-25-6 | EINECS: 210-782-7


1. Chemical Identification

Property Specification
IUPAC Name 1,4-Bis(chloromethyl)benzene
Synonyms α,α’-Dichloro-p-xylene; PXDC
Molecular Formula C₈H₈Cl₂
Molecular Weight 175.06 g/mol
CAS No. 623-25-6
EINECS No. 210-782-7

2. Physical & Chemical Properties

Parameter Value
Appearance White crystalline flakes or powder
Purity (GC) ≥99%
Melting Point 98-102°C
Boiling Point 254°C
Water Solubility Hydrolyzes
Density 1.26 g/cm³ (20°C)
Flash Point 113°C (closed cup)

3. Production & Supply

Parameter Detail
Annual Capacity 500 metric tons
MOQ 100g
Packaging 100g (glass bottle), 25kg (fiber drum)
Storage Keep container tightly closed in cool, dry place

4. Quality Standards

Test Specification
Purity (GC) ≥99.0%
Chloride Content 39.5-40.5%
Water Content ≤0.1% (KF)
Residue ≤0.05%

5. Applications

  • Pharmaceutical Intermediate:
    • Key precursor for cardiovascular drugs
    • Used in synthesis of anticholinergic agents
  • Agrochemicals:
    • Building block for pesticide synthesis
  • Polymer Industry:
    • Monomer for specialty polymers

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