Sodium Carboxymethyl Cellulose (CMC) CAS#:9004-32-4
Powerful Thickening & Suspending Capacity: White or off-white fine fibrous powder, anionic cellulose ether derived from natural cellulose, with excellent thickening, water retention, suspension, film-forming and adhesion properties. It can stabilize formulations, prevent stratification and improve texture of finished products.
Excellent Chemical Inertness & Compatibility Property: Chemically stable under normal temperature, compatible with food, cosmetic, pharmaceutical, building and paper systems; available in multiple viscosity grades for different industrial requirements.
Stable Powder Form for Convenient Transport: Uniform fine powder, stable under sealed storage, easy to weigh, transport and automatic feeding.
Sodium Carboxymethyl Cellulose (CMC, E466 for food grade) is a high-demand functional cellulose ether raw material, biodegradable, non-toxic, low irritation and covers a wide range of industrial application scenarios.
Chemical & Physical Properties
| Property | Value |
|---|---|
| Melting point | Decomposes upon heating |
| Density | ~1.5 g/cm³ |
| Storage temp | Sealed dry cool warehouse, strictly isolated from strong oxidants |
| Solubility | Soluble in cold and hot water to form transparent colloid, insoluble in ethanol |
| Form | Fine fibrous powder |
| Color | White to off-white |
| Odor | Odorless, tasteless |
| PH Value | 6.0–8.5 (1% aqueous solution, grade dependent) |
| Hygroscopicity | Slightly hygroscopic |
| Stability | Stable in airtight packaging; decomposes at high temperature |
| EINECS No. | 900-432-4 |
| CAS DataBase Reference | 9004-32-4 |
Safety Information
| Item | Value |
|---|---|
| Hazard Codes | Not applicable |
| Risk Statements | R36 |
| Safety Statements | S22; S24/25 |
| UN Number | Not regulated |
| Hazard Class | Not dangerous goods |
| Packing Group | Not applicable |
| Flammability | Non-flammable |
| HS Code | 39123100 |
Main applications: Food thickener, stabilizer, binder (E466), cosmetic rheology modifier, pharmaceutical excipient, oilfield drilling fluid loss additive, construction mortar water retention agent, paper coating agent, textile sizing agent.






