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Details for China Methylcellulose Sodium of Carboxyl

Methylcellulose Sodium of Carboxyl

Category :

Inorganic chemicals

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 :

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