TDS 4-Chloro-3,5-dimethylphenol PCMX.pdf4-Chloro-3,5-dimethylphenol (PCMX, Chloroxylenol, CAS 88-04-0) is a white to cream-colored crystalline phenolic compound with characteristic phenolic odor. It is a broad-spectrum antibacterial and antifungal agent, the core active ingredient of household disinfectants such as Dettol. Slightly soluble in water, freely soluble in alcohol and glycol solvents. TNJ Chemical is the key manufacturer and exporter since from 2001 in China. If you want to buy PCMX at competitive price, please contact sales@tnjchem.com
Product information
Chemical Name 4-Chloro-3,5-dimethylphenol
Common Name Chloroxylenol / PCMX / p-Chloro-m-xylenol
CAS Number 88-04-0Molecular Formula C₈H₉ClO
Molecular Weight 156.61 g/mol
EC Number 201-793-8
Grade Available Industrial grade, Cosmetic grade, USP / Ph.Eur pharmaceutical grade
Hazard Statement Irritant to skin and eyes, harmful if swallowed
Chem-physical properties
Appearance White to off-white crystalline powder
Odor Characteristic phenolic odor
Melting Point 114-116 °CBoiling Point 246 °C
Density 1.20 g/cm³
Flash Point 106 °CSolubility Slightly soluble in water; soluble in ethanol, isopropanol, propylene glycol, alkali solution
pH application range 4.0‑12.0
Stability Stable under normal conditions; avoid strong oxidizers and strong bases
Quality specification
| Item | Industrial Grade | Cosmetic / USP Grade |
|---|---|---|
| Assay (PCMX) | ≥98.5 % | ≥99.0 % |
| Melting Point range | 112‑116 °C | 114‑116 °C |
| Loss on drying | ≤0.3 % | ≤0.2 % |
| Residue on ignition | ≤0.1 % | ≤0.05 % |
| Free phenol | ≤0.2 % | ≤0.1 % |
| Heavy metals (Pb) | ≤10 ppm | ≤5 ppm |
Application & use
Household disinfectant: Core antimicrobial raw material for Dettol and other household sanitizer products, killing bacteria and mildew.
Personal care & cosmetics: Antiseptic preservative for antibacterial soap, hand wash, shampoo, medicated skin‑care formulations.
Pharmaceutical field: Topical antiseptic for skin disinfection, pharmaceutical preservative (USP grade).
Industrial preservation: Antifungal agent for textile, leather, coating, adhesive and metal working fluid systems.
Packing
25 kg fiber drum with inner PE bag.
Lab small pack: 1 kg, 5 kg aluminum foil bag.
Keep package tightly sealed.
Transportation & storage
- Transportation: Avoid sunshine, rain and moisture. Separate from food goods, strong oxidizers and alkali. Handle gently to prevent package damage.
- Storage: Store in cool, dry and well-ventilated warehouse below 25 °C. Keep container tightly closed and protected from light.
- Shelf-life: 36 months under proper storage conditions.
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