DINGCHEN INDUSTRY (HK) CO.,LIMITED
| Payment Terms | L/C,D/P,T/T,Western Union |
| Supply Ability | 380TONS/Month |
| Delivery Time | Promptly |
| Packaging Details | 25KG or Customized |
| Synonym | Sodium Carboxy Methyl Cellulose |
| CAS | 9004-32-4 |
| Density | soluble in water and forms a sticky liquid |
| Color | White to off-white |
| Application | Food additive, Ceramic, Detergent, Textile, etc |
| Brand Name | DINGCHEN |
| Model Number | CMC-Na |
| Certification | ISO9001,HACCP |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C,D/P,T/T,Western Union | Supply Ability | 380TONS/Month |
| Delivery Time | Promptly | Packaging Details | 25KG or Customized |
| Synonym | Sodium Carboxy Methyl Cellulose | CAS | 9004-32-4 |
| Density | soluble in water and forms a sticky liquid | Color | White to off-white |
| Application | Food additive, Ceramic, Detergent, Textile, etc | Brand Name | DINGCHEN |
| Model Number | CMC-Na | Certification | ISO9001,HACCP |
| Place of Origin | CHINA | ||
| High Light | bulk CMC Sodium Salt ，CMC Sodium Salt Additives ，cellulose gum e466 Additives | ||
CMC Sodium Salt, CMC-Na :
It is an important water-soluble cellulose derivative, and its chemical properties mainly depend on the carboxymethyl substitution degree (DS, usually 0.6-1.2) and molecular chain structure. The following is a detailed analysis of its key chemical properties:
1. The solubility of water-soluble: CMC - Na soluble in cold water or hot water, forming a transparent viscous solution, solubility increases with substitution degree (DS) increased. Water solubility is significant when DS ≥ 0.4. PH dependency: 4-12 in the pH range solubility stability; Free carboxylic acid (CMC-H) may precipitate when pH is less than 4, and degradation may occur when pH is greater than 12. Organic solvents, insoluble in ethanol, and other organic solvents, but can tolerate a certain percentage of ethanol - water mixing system (e.g., less than 60%) .
2. The ionization and ion exchange polyelectrolyte behavior: CMC - Na in the water dissociation for Na ⁺ and negatively charged carboxymethyl cellulose anion (R - COO ⁻), presents the polyanion features. Ion exchange: Na ⁺ can be other metal ions, such as Ca squared ⁺, Al after ⁺) replacement, generate insoluble salt (such as CMC, Ca), but high metal ions may cause crosslinking or gelation .
3. The viscosity characteristics influence factors: concentration: viscosity with the increase of concentration of exponential rise (non-newtonian fluid behavior). Temperature: temperature will temporarily reduce viscosity, but long time high temperature (> 80 ° C) may result in the degradation. PH: neutral conditions the highest viscosity, acid/alkali environment can destroy the molecular chain. Salt effect: high concentration of salt (NaCl) can shield charge, reduce the viscosity.
4. The chemical stability of acid sensitivity: pH < 3, carboxymethyl hydrolysis (- ⁻ COO - - -cooh) group, resulting in a decline in precipitation or viscosity. Oxidative degradation: strong oxidizer (such as sodium hypochlorite) fracture beta - 1, 4 - glycosidic bond, the molecular weight decreased. Thermal stability: short-term tolerance below 80 ° C; Long-term high-temperature or dry heating (>200°C) will cause coking.
5. The esterification reaction activity/crosslinking: with polyvalent metal ion (Al after ⁺), epoxy chloropropane, such as crosslinking, forming gel or film. Grafting modification: under the effect of initiator, with acrylic acid, styrene monomer graft copolymerization, giving new features.
6. The interaction of protein with other substances: through electrostatic interactions with positively charged proteins form compounds (such as gelatin). Surfactant: with anionic surfactant (SDS) thickening, it has good compatibility with nonionic. Polysaccharides: synergy with xanthan gum and carrageenan viscosity increasing effect.
7. Biodegradability digestion: cellulase can slow degradation of CMC - Na, but the rate is lower than natural cellulose (because of substituent hinder enzyme action). Environmental degradation: in the soil or water by microbial decomposition of CO ₂ and H ₂ O.
Company Details
Business Type:
Manufacturer,Agent,Exporter,Trading Company,Seller
Year Established:
2016
Total Annual:
4000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Dingchen Industry(HK)Co.,Limited is the multiple operations company focus on the chemical raw material and trade service . We spares no efforts to extend our oversea market by providing clients with high quality and responsible services, and is committed to ensure the safety and tim... Dingchen Industry(HK)Co.,Limited is the multiple operations company focus on the chemical raw material and trade service . We spares no efforts to extend our oversea market by providing clients with high quality and responsible services, and is committed to ensure the safety and tim...
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