
4,4′-Dimethyl-trans-Stilbene
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Category:Chemical Intermediates MOQ:100KG Shipped directly from China
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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