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Anionic Water-soluble Polymer Carboxymethyl cellulose (CMC)
Molecular Formula: (R)nOCH2COONa
EINECS NO.: 265-995-8
CAS No.:9004-32-4
Product Name: Carboxymethyl Cellulose CMC
Appearance: White powder
Carboxy Methyl Cellulose (CMC) is synthesized by the alkali-catalyzed reaction of cellulose with chloroacetic acid. The polar (organic acid) carboxyl groups render the cellulose soluble and chemically reactive. The functional properties of Fooding Carboxy Methyl Cellulose(CMC) depend on the degree of substitution of the cellulose structure (i.e., how many of the hydroxyl groups have taken part in the substitution reaction), as well as the chain length of the cellulose backbone structure and the degree of clustering of the carboxymethyl substituents. CMC belongs to food additives.
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Carboxy Methyl Cellulose-MCC · Oil Drilling Grade CMC · Ceramics Grade CMC · Detergent Grade CMC · Paint Grade CMC · Textile and Dyeing Grade CMC · Tech Grade CMC · Food Grade CMC |
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Food Grade CMC |
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Item |
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Specification |
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Molecular formula |
C6H7O2(OH)2OCH2COO2 |
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Viscosity(2% Solution Mpa.S) |
3000-5000 |
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Chloride (%) |
<1.8% |
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Degree of substitution |
0.65-0.85 |
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PH |
6.0-8.0 |
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Moisture (%) |
<10% |
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Oil Drilling Grade CMC |
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LV-CMC |
MV-CMC |
HV-CMC |
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Appearance |
White or light yellow powder, freely flowable |
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Replace degrees(D. S) |
0.80 min |
0.80 min |
0.80 min |
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Purity |
80% min |
85% min |
95% min |
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Viscosity 2% |
200-500 mpa.s |
600-900 mpa.s |
1000-1800 mpa.s |
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PH |
7.0-9.0 |
7.0-9.0 |
6.5-8.0 |
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Size(60 head) |
80% |
80% |
80% |
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Moisture (%) |
10% max |
10% max |
10% max |
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Ceramics Grade CMC |
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LV-CMC |
MV-CMC |
HV-CMC |
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Appearance |
White or light yellow powder, freely flowable |
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Purity |
70-85% |
75-90% |
80-90% |
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Viscosity 2% |
300-500 mpa.s |
400-700 mpa.s |
800-1200 mpa.s |
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Moisture (%) |
7-10% |
6-10% |
7-10% |
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Tech Grade CMC |
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LV-CMC |
MV-CMC |
HV-CMC |
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Appearance |
White or light yellow powder, freely flowable |
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Replace degrees(D. S) |
0.6-0.80 min |
0.6-0.80 min |
0.6-0.80 min |
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Purity |
50-75% min |
70-85% min |
80-90% min |
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Viscosity 2% |
100-400 mpa.s |
400-800 mpa.s |
800-1200 mpa.s |
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PH |
6.0-8.0 |
6.0-8.0 |
6.0-8.0 |
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Size(60 head) |
80% |
80% |
80% |
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Moisture (%) |
10% max |
10% max |
10% max |
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