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Contact SuppliersCAS NO.9004-32-4
CAS NO.9004-32-4
high quailty 1137-42-4 CMC(Carboxymethyl Cellulose best price
Carboxymethylcellulose sodium salt is used in drilling muds, in detergents as a soil-suspending agent, in resin emulsion paints, adhesives, printing inks, textile sizes and protective colloid. It acts as a stabilizer in foods. It is also employed in pharmaceuticals as a suspending agent and excipients for tablets. It is used as viscosity modifiers to stabilize the emulsions. It is used as a lubricant in artificial tears and it is used to characterize enzyme activity from endoglucanases.
| Item | Specifications |
| Appearance | Cream colored powder |
| Purity | 65%min |
| D.S (Degree of Substitution) | 0.5min |
| PHValue(25℃,1% solution) | 7-10 |
| Viscosity(2%solution)CPS | 5-40 |
| Moisture | ≤8% |
1. Pharmaceutical Grade
|
Items |
Specification |
|
Appearance |
White or a little Yellow, Odorless Powder or Granules |
|
Viscosity |
300mpa.s – 1200mpa.s (2% aqueous solution, 25℃) |
|
Sodium Content |
6.5% – 8.5% |
|
PH Value |
6.5 – 8.0 |
|
Chloride (Cl-) |
1.8% Max. |
|
Loss on Drying |
7.0% Max. |
|
Heavy Metals |
0.001% Max. |
|
Arsenic |
0.0002% Max. |
|
Iron |
0.016% Max. |
2. Food Grade
|
Items |
Specification |
|
Appearance |
White or a little Yellow, Odorless Powder or Granules |
|
Viscosity (2% aqueous solution, 25℃) |
400mpa.s – 1200mpa.s, ≥1200mpa.s |
|
Sodium Content |
6.5% –9.5% |
|
PH Value |
6.5 – 8.0 |
|
Chloride (Cl-) |
1.8% Max. |
|
Loss on Drying |
10.0% Max. |
|
Heavy Metals |
0.002% Max. |
|
Arsenic |
0.0002% Max. |
|
Iron |
0.03% Max. |
|
Ratio of Acid to Viscosity |
0.82 Min. |
|
Ratio of Salt to Viscosity |
1 Min. |
|
Enterobacterias |
100cfu/g Max. |
3. Industry Grade (Papermaking)
|
Items |
Specification |
|
Appearance |
White or a little Yellow, Odorless Powder or Granules |
|
Viscosity (4% aqueous solution, 25℃) |
50mpa.s – 500mpa.s, 1000mpa.s – 2000mpa.s |
|
D.S |
0.8 Min. |
|
PH Value |
6.5 – 8.0 |
|
Chloride (NaCl) |
5% Max. |
|
Loss on Drying |
10.0% Max. |
|
Heavy Metals |
0.003% Max. |
|
Arsenic |
0.0005% Max. |
|
Iron |
0.03% Max. |
|
Fineness (60meshes) |
80% Min. |
4. Industry Grade (Oil Drilling)
|
Items |
Specification |
|
Appearance |
White or a little Yellow, Odorless Powder |
|
D.S |
0.65 Min. |
|
PH Value |
6.5 – 9.0 |
|
Moisture Content |
10.0% Max. |
|
Purity |
80 Min. |
Note: The four grades are only part of our products, we can produce more grades, such as Building Grade, Toothpaste Grade, Textile Grade and so on, following your specific requirements.