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CMC / Carboxymethylcellulose

Name: Carboxymethylcellulose(CMC)
CAS No.:9004-32-4
EINECS No.:265-995-8
Appearance: white to cream colored powder
Properties: Carboxymethyl cellulose (CMC) is a cellulose derivative with carboxymethyl groups (-CH2-COOH) bound to some of the hydroxyl groups of the glucopyranose monomers that make up the cellulose backbone. It is also called as CMC, Carboxymethyl. Cellulose Sodium, Sodium salt of Caboxy Methyl Cellulose. CMC is one of the important water solube polyelectrolyte. It can soluble in water, insoluble in alcohol, ethanol, benzene, chloroform and other organic solvents. Resistant to animal and vegetable oils and not effected by illumination.
Applications: Used for detergent powder, CMC can effectively prevent washes from becoming contaminated after being washed by synthetic detergent.
Packing: in woven bag, 25kgs/bag.

Index	Technique Requirements
	HV-CMC		LV-CMC	MV-CMC
Physical Form	White or yellowish free flowing powder
Moisture (% )	10 max		10 max	10 max
Purity (% )	95 min		80 min	85 min
Degree of Substitute	0.80		0.80	0.65
PH value	6.5-8.0		7.0-9.0	7.0-9.0
Apparent viscosity	in distilled water	30 cps min	90cps max
	in 4% salt water	30cps min
	in saturated water	30cps min
Filtration loss(cm 3 )	10 max		10 max

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