| Model: | - |
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| Brand: | - |
| Origin: | - |
| Category: | Chemicals / Organic Chemical Materials / Organic Salt |
| Label: | Sodium Carboxymethyl , Carboxymethyl Cellul , CMC |
| Price: |
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| Min. Order: | - |
| Live Chat: | Last Online:23 Nov, 2015 |
Sodium Carboxymethyl Cellulose CMC
Chemicals Name: Sodium Carboxymethyl Cellulose (CMC)
Molecular formula: [C6H7O2(OH)2CH2COONa]n
CAS No.:9004-32-4
Properties :
CMC is a kind of cellulose ether with anion contour's high molecular structure,white to off-white free flowing powder.It has odorless,tasteless, no toxicity; easily disolved in wate water and become colloidal solution, solution is basic or neutral, its solution is stable in ph of 2-10, color-changed temp. is 227οC, charring temp. is 252οC, the surface tension of 2% solution is 71mn/n,but it can't melt in alcohol, ether, acetone and other organic solvent.
Specifications :
|
Item |
Specification Index |
||||
|
SURD-1 |
SURD-2 |
SURD-3 |
SURD-4 |
SURD-5 |
|
|
Moisture (%) |
10 |
10 |
10 |
10 |
10 |
|
Purity (%) |
55 |
60 |
70 |
70 |
90 |
|
Degree of Substitute |
0.5-0.7 |
0.5-0.7 |
0.5-0.7 |
0.6-0.8 |
0.6-0.8 |
|
Viscosity(cps) |
5-40 |
5-40 |
5-40 |
300-800 |
800 Min |
|
1% Water Solution |
2% Water Solution |
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|
PH Value |
8-11.5 |
8-11.5 |
8-11.5 |
7-10 |
6.5-9.5 |
Applications :
Detergent grade CMC, when used in liquid, paste detergent, acts as stabilizing agent and thickening agent; when used in detergent powder, CMC can effectively prevent washes from becoming contaminated after being washed by synthetic detergent.
Packing : 25 kg per bag