4-Chloro-2-methylphenol (PCMC / p-Chloro-o-cresol) CAS 89-64-5 Full English Export Specification
1. Basic Chemical Identification
- IUPAC Name: 4-chloro-2-methylphenol
- Common Names: p-Chloro-o-cresol, PCMC, 4-Chloro-2-cresol, Para-chloro ortho-cresol
- CAS No.: 89-64-5
- EC/EINECS No.: 201-926-7
- MDL No.: MFCD00002223
- Molecular Formula: \(\boldsymbol{C_7H_7ClO}\)
- Molecular Weight: 142.58
- SMILES: Cc1cc(Cl)ccc1O
- HS Code: 2908199090
- UN Number: UN 2467
- IMDG Hazard Class: Class 6.1 Toxic Substance, Packing Group III
- Signal Word: Warning
2. Physicochemical Properties
- Appearance: White to pale pink crystalline solid with characteristic phenolic odor
- Melting Point: 43–46 °C
- Boiling Point: 228–230 °C (760 mmHg)
- Density (solid, 50°C molten): 1.21 g/cm³
- Solubility: Slightly soluble in cold water (~0.4 g/L at 20°C); freely soluble in ethanol, isopropanol, acetone, toluene, xylene, glycol ethers, dilute alkali aqueous solution
- Stability: Stable under sealed dark storage; discolors gradually under sunlight/air oxidation; incompatible with strong oxidants, strong bases, heavy metal salts, bleach
- Antimicrobial Feature: Broad-spectrum bactericide & fungicide, effective against gram-positive/negative bacteria, mold, yeast
- Hygroscopy: Slightly hygroscopic, absorbs minor moisture in humid air
3. Standard COA Technical Specifications
Industrial Biocide Grade ≥99.0%
| Test Item | Standard Specification |
| Purity (HPLC Area%) | ≥99.0% |
| o-Cresol Residual | ≤0.30% |
| 2-Chloro-p-cresol Isomer | ≤0.40% |
| Moisture Content | ≤0.10% |
| Free Phenol | ≤0.05% |
| Ash Content | ≤0.01% |
| Heavy Metals (Pb) | ≤10 ppm |
| Melting Range | 43.0 ~ 46.0 °C |
| Color (solid) | White to pale pink crystals |
Cosmetic/Medical Grade ≥99.5%
- Ultra-low heavy metals, low free phenol & isomer impurities, compliant with EU cosmetic preservative standards
Lab Reagent Grade ≥99.8%
- Strictly controlled trace impurities for organic synthesis and microbiology testing
4. Main Industrial Applications
1. Personal Care & Cosmetic Preservative (Core Consumption)
- Broad-spectrum preservative in shampoo, body wash, cream, lotion, wet wipes, facial masks; inhibits bacteria, mold and yeast growth
- Mild low-irritation phenolic biocide, widely used in EU/US compliant cosmetic formulations
2. Industrial Water Treatment Biocide
- Circulating cooling water, papermaking white water, leather processing water anti-slime bactericide and mold inhibitor
- Controls sulfate-reducing bacteria, algae and pipeline biofouling
3. Leather & Textile Auxiliary
- Leather anti-mold agent during tanning, storage and finished product finishing
- Textile fabric anti-bacterial & anti-mold finishing additive for cotton, polyester fabrics
4. Household & Industrial Disinfectant
- Raw material for disinfectant sprays, floor cleaners, hand sanitizer, laundry anti-mold additives
- Wood, paint, coating anti-fungal preservative to prevent mold degradation
5. Fine Chemical & Pharmaceutical Intermediate
- Synthetic building block for antibacterial drugs, agricultural fungicides, phenolic surfactant intermediates
- Derivatization substrate for organic synthesis halogenated phenol derivatives
6. Laboratory Microbiology Reagent
- Standard bacteriostatic agent for culture medium preparation, microbial inhibition zone testing
5. Export Packaging & Storage Transportation
Standard Packing Options
- Industrial bulk: 25kg fiber drum with double PE anti-moisture light-proof inner liner, airtight sealed cap
- Ton jumbo bag: 1000kg waterproof light-shield woven bag for factory bulk feeding
- Cosmetic/lab small packing: 500g / 1kg amber sealed plastic bottle
All pallets wrapped with waterproof light-shield stretch film for sea transit
Storage & Transit Mandatory Rules
- Warehouse: Cool, dark, ventilated toxic chemical warehouse, storage temperature ≤25°C, avoid direct sunlight to prevent discoloration
- Containers fully airtight sealed to avoid moisture absorption and phenolic odor leakage
- Strict segregate from oxidants, bleaching agents, food raw materials, edible products
- Transport as IMDG UN 2467 Class 6.1 Toxic PG III; separate from food cargo during ocean shipment; prevent rain soaking and package rupture
6. GHS Hazard Statements & Mandatory PPE
Hazard Statements
- H302: Harmful if swallowed
- H312: Harmful in contact with skin
- H314: Causes severe skin burns and eye damage (phenolic corrosion)
- H332: Harmful if inhaled (phenol vapor irritation)
- H410: Very toxic to aquatic life with long lasting ecological hazards
Mandatory PPE
- Organic vapor half-face respirator with phenolic vapor filter cartridge
- Fully sealed chemical safety goggles / full face shield
- Chemical resistant nitrile rubber gloves
- Dust-proof impermeable full-body protective overalls
- Local exhaust ventilation for weighing, melting and feeding operations
Spill & First Aid Emergency Treatment
- Spill disposal: Cover crystalline solid with dry sand to suppress dust; collect residues into sealed hazardous waste barrel, prohibit direct discharge to sewer/water body
- Skin contact: Remove contaminated clothing immediately, flush skin with massive soap running water continuously ≥15 minutes
- Eye contact: Irrigate eyes with steady clean running water non-stop for minimum 15 minutes, seek emergency ophthalmic treatment
- Inhalation: Move victim to fresh air instantly; supply oxygen if breathing difficulty occurs
- Ingestion: Do NOT induce vomiting, drink large volume clean water/milk and rush to hospital with SDS document
7. Foreign Trade Selling Advantages
- Three complete grades: industrial water treatment grade, cosmetic low-impurity grade, lab reagent grade, meets cosmetic, water treatment and fine chemical global customer demands
- Strict controlled low isomer & free phenol impurities, stable broad-spectrum antibacterial performance compliant with EU cosmetic regulations
- Light-proof double-layer anti-moisture sealed packaging, no pink discoloration during long-distance ocean shipping
- Complete full set Class 6.1 toxic dangerous goods export documents for smooth customs clearance
- Flexible supply: Small trial drums/bags, jumbo bulk bags and full container FCL shipments acceptable
8. Full Set Export Supporting Documents
- Batch Certificate of Analysis (COA)
- English Version SDS Safety Data Sheet
- Dangerous Goods Packaging Certificate
- IMDG Maritime Dangerous Goods Declaration File
- Certificate of Origin
- Cosmetic grade heavy metal compliance test report (for cosmetic clients)
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