4,4′-Dimethyl-trans-Stilbene

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Category:Chemical Intermediates   MOQ:100KG  Shipped directly from China

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Introduction

CAS No.: 18869-29-9 | Molecular Weight: 208.30 g/mol


1. Chemical Identification

Property Specification
IUPAC Name (E)-1,2-Bis(4-methylphenyl)ethene
Common Name 4,4′-Dimethyl-trans-stilbene
Synonyms 1-Methyl-4-[(E)-2-(4-methylphenyl)ethenyl]benzene; p,p’-Dimethyl-trans-stilbene
Molecular Formula C₁₆H₁₆
CAS No. 18869-29-9
SMILES C2=C(\C=C\C1=CC=C(C)C=C1)C=CC(=C2)C
InChIKey KINZBJFIDFZQCB-VAWYXSNFSA-N

2. Physical & Chemical Properties

Parameter Value
Appearance White to off-white crystalline powder
Purity (HPLC) ≥99%
Melting Point 183°C (exp.)
Boiling Point 325.5°C (calc.)
Flash Point 157.8°C (calc.)
Density 1.015 g/cm³ (calc.)
Solubility Soluble in THF, DCM; insoluble in water
Storage RT in amber glass container

3. Production & Supply

Parameter Detail
Annual Capacity 200 metric tons
MOQ 100g
Packaging 100g (glass bottle), 1kg (aluminum foil bag), 25kg (fiber drum)
Shelf Life 36 months when stored properly

4. Quality Standards

Test Specification
Purity (HPLC) ≥99.0%
Isomeric Purity ≥99.5% (trans-isomer)
Residue ≤0.1%
Heavy Metals ≤10 ppm

5. Applications

  • Organic Electronics:
    • Key intermediate for OLED materials
    • Building block for conjugated polymers
  • Liquid Crystals:
    • Mesogenic core for display materials
  • Pharmaceutical Research:
    • Scaffold for drug discovery

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