3-Chloro-2-hydroxypropyltrimethyl ammonium chloride CAS 3327-22-8 CHPTAC
Aure Chemical Supplies CHPTAC CAS 3327-22-8 for Specialty Chemical Applications
3-Chloro-2-hydroxypropyltrimethyl ammonium chloride, commonly known as CHPTAC or Quat 188 (CAS 3327-22-8), is a cationic etherifying agent used to introduce quaternary ammonium groups into starch, cellulose and other polysaccharides. Aure Chemical supplies this product to industrial customers and provides sourcing, export support and documentation including SDS and COA for B2B procurement needs. It is an important reagent in the manufacture of cationic polymers for various industrial applications.
Basic Information
| CAS No. | 3327-22-8 |
|---|---|
| EC No. | 222-048-3 |
| Linear Formula | C6H15Cl2NO |
| Molecular Weight | 188.09 g/mol |
| Appearance | Colorless to pale yellow liquid (commercial aqueous solution); white to off-white solid (pure salt) |
| Commercial Grade / Assay | To be confirmed by final supplier specification and COA |
| Typical Commercial Form | Commonly supplied as aqueous solution; commercial form may vary by specification |
| Melting Point | Approximately 188–193 °C (lit., for solid salt; decomposes) |
| Boiling point | Not applicable for commercial aqueous solution; decomposes on heating |
| Density | Approximately 1.15–1.20 g/cm³ at 25 °C (typical for commercial solutions) |
| RIDADR | Not regulated as dangerous goods under typical commercial transport conditions; final status subject to supplier SDS and carrier review |
| Chemical Structure | ![]() |
Key Applications
CHPTAC functions as a reactive cationic etherifying agent that attaches positively charged groups to natural polymers under alkaline conditions. This modification enhances performance in paper, textile and water treatment processes. related Cationic Etherifying Agents
Cationic starch modification for paper industry: Widely applied to produce cationic starch used as retention aids, drainage improvers and strength additives in papermaking.
Cellulose and guar gum cationization: Used to modify cellulose fibers and guar gum, improving their performance in industrial formulations and textile processing.
Water treatment polymers: Serves as a key building block for cationic flocculants and coagulants in wastewater treatment and sludge management.
Textile auxiliaries: Enables cationization of cotton and other fibers to enhance dye fixation, color fastness and antistatic properties.
Specialty polymer and chemical synthesis: Acts as an intermediate for preparing other quaternary ammonium compounds and functional cationic materials.
Aure Chemical: Your Reliable Partner
Aure Chemical supports international B2B customers with reliable sourcing and export services for specialty chemicals. We focus on clear communication, proper documentation and flexible logistics solutions tailored to industrial requirements.
Product Quality & Consistency: Product specifications can be confirmed by COA before shipment. Batch quality and key parameters are reviewed according to customer requirements.
International Logistics & Supply Stability: Export supply can be arranged through suitable logistics channels. Shipment planning can be discussed according to product properties and destination requirements.
Safety Documentation & Regulatory Compliance: SDS, COA and shipping documents can be prepared for customer review. Documentation support is available for B2B chemical procurement.
Technical Support & Flexible Supply: Our team assists with technical communication, packaging selection and export coordination. Flexible packaging and shipment options can be discussed before order confirmation.
Safety, Handling & Documentation
Standard industrial hygiene practices should be followed when handling this product. Avoid direct contact with skin and eyes. Use appropriate personal protective equipment such as gloves, safety goggles and protective clothing. Ensure adequate ventilation in the working area.
Handling: Avoid inhalation of vapors or mists. Wash hands and exposed skin thoroughly after handling. Do not eat, drink or smoke in the handling area.
Storage: Store in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed when not in use. Protect from freezing where applicable for solution grades.
Documentation: Refer to the final SDS before handling, storage and transportation. SDS and COA are available for customer evaluation. Final handling, storage and transportation requirements should follow the supplier SDS and carrier review.
Packaging, Logistics & Compliance Capabilities
Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.
Packaging Options
- 25 kg / 50 kg bags (fiber drum, aluminum bag, HDPE drum)
- 100 kg / 200 kg steel or HDPE drums
- 500 kg / 1000 kg IBC containers
- Bulk liquids in ISO tank containers
- Customized packaging upon request
Transportation Modes
- Sea freight (FCL / LCL)
- Air freight for selected products
- Road and rail transportation
- Dangerous & non-dangerous cargo handling
- Incoterms: EXW, FOB, CFR, CIF, DAP, DDP
Storage & Handling
- Dry, cool, and well-ventilated warehouses
- Segregation by hazard class
- FIFO inventory management
- Temperature-controlled storage if required
- Regular inspection & labeling control
Documentation & Compliance
- Safety Data Sheet (SDS)
- Certificate of Analysis (COA)
- Dangerous Goods Declaration (DGD)
- Packing List & Commercial Invoice
- IMDG / IATA / ADR compliant labeling
For packaging customization or logistics consultation, please contact us.


