p-Tolualdehyde (4-Methylbenzaldehyde)
CAS 104-87-0
C₈H₈O
Chemicals
MW: 120.15 g/mol
Physical & Chemical Specifications
| Property | Specification | Test Method |
|---|
| Assay (GC) | ≥ 98.0% | GC |
| Appearance | Colorless to pale yellow liquid | Visual |
| Boiling Point | 204–205°C (760 mmHg) | — |
| Density (25°C) | 1.004–1.008 g/mL | Pycnometer |
| Refractive Index (nD²⁰) | 1.545–1.548 | Refractometer |
| Water Content (KF) | ≤ 0.10% | Karl Fischer |
| Color (APHA) | ≤ 15 | ASTM D1209 |
| Acidity (as acetic acid) | ≤ 0.05% | Titration |
Typical Applications
- Fragrance & flavor ingredient (floral-almond character)
- Dye & pigment synthesis intermediate
- Pharmaceutical synthesis (antihypertensives, antihistamines)
- Agrochemical intermediate
- UV-curing resin & photosensitizer monomer
Packaging
25 kg / 200 kg sealed steel drums; 1,000 kg IBC
Storage & Shelf Life
Cool, dry, well-ventilated area. Away from oxidizers & heat. Shelf life: 24 months.
All values are typical and may vary by lot. This TDS does not constitute a warranty.
Contact TKNCO for lot-specific Certificate of Analysis (COA).