4,4′-Dimethyl-trans-Stilbene
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Category：Chemical Intermediates Own Brand：MT /MOQ:100KG /From China/ B2B only.
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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