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Details for China Methylcellulose Sodium of Carboxyl

Methylcellulose Sodium of Carboxyl

Category :

Inorganic chemicals

Methylcellulose Sodium of Carboxyl
CAS NO :
EC NO :
MF :
MW :
Product description :
CAS No.: 9004-32-4
Grade Standard: Food Grade, Industrial Grade
Molecular Formula: C6H7O2(OH)2OCH2COONA
Appearance: White or slightly yellowish powder
Specifications
CMC-Carboxymethyl Cellulose
food&industrial    purity:99%min
viscosity:5-6000cps
Chemical Properties: CMC is a kind of cellulose ether with anion contours high molecular structure. It has no smell, no taste and no toxicity. The white to off-white powder and graininess can be easily melt in water and become colloidal solution, but it cant melt in alcohol, ether, acetone and other organic solvent.

Parameter
Grade
Inspection Item
Food
Detergent
Textile
Oil
Viscosity(1%soln25mPa.s/2%soln25mPa.s)
75-6000
5-300
300-1200
1000-3000
Degree of Substitution(%)≥
0.65-0.85
0.5-0.8
0.85
0.65-0.85
Purity (%)≥
95-99
65
90
95-99
PH value
6.0-8.5
7.0-11.0
6.0-7.5
6.0-8.5
Chloride (%) ≤
1.8
1.8
7.0 (NaCl)
1.8
Moisture (%) ≤
7
10
7
7
Heavy metal as Pb (%) ≤
0.002
0.002
0.002
0.002
Fe(%)≤
0.03
0.03
0.03
0.03
As (%) ≤
0.0002
0.0002
0.0002
0.0002
Amount of thick liquid made m3/T ≤
Fresh water ≥
-
-
-
350-500
Sea water ≤
-
-
-
150-220
Saturation salt solution ≤
-
-
-
200-300

 
Synonyms : no data