| Identification | More | [Name]
Cellulose CM | [CAS]
9000-11-7 | [Synonyms]
CAMTEMPO(TM)
CARBOXYMETHYL CELLULOSE
CARBOXYMETHYL CELLULOSE ETHER
CELLULOSE, CARBOXYMETHYL ETHER
Cellulose CM
CM 32-CELLULOSE
CM 52-CELLULOSE
CM CELLULOSE
SELECTACEL(R) CM, STANDARD
7h
7h(carbohydrate)
almelose
apergel
apeyel
carbose
carboxymethylatedcellulosepulp
cellulosecarboxymethylate
celluloseglycolicacid
cellulosegum7h
cmc-4lf | [EINECS(EC#)]
900-432-4 | [Molecular Formula]
C6H12O6 | [MDL Number]
MFCD00149018 | [MOL File]
9000-11-7.mol | [Molecular Weight]
180.156 |
| Chemical Properties | Back Directory | [Appearance]
white powder | [density ]
1.050 g/cm3(Temp: 15-18 °C) | [FEMA ]
2239 | CARBOXYMETHYLCELLULOSE | [solubility ]
Practically insoluble in anhydrous ethanol. It swells with water to form a suspension and becomes viscid in 1 M sodium hydroxide. | [form ]
preswollen, microgranular
| [Odor]
odorless | [Stability:]
Stable. Combustible. Incompatible with strong oxidizing agents. | [InChI]
InChI=1S/C6H12O6/c7-1-3(9)5(11)6(12)4(10)2-8/h1,3-6,8-12H,2H2 | [InChIKey]
GZCGUPFRVQAUEE-UHFFFAOYSA-N | [SMILES]
C(=O)C(O)C(O)C(O)C(O)CO | [LogP]
-3.17 | [Uses]
Carboxymethylcellulose(CMC) is a gum that is water-soluble cellulose ether manufactured by reacting sodium monochloroacetate with alkali cellulose to form sodium . It dissolves in hot or cold water and is fairly stable over a pH range of 5.0–10.0, but acidification below pH 5.0 will reduce the viscosity and stability except in a special acid-stable type of CMC. A variety of types are available which differ in viscosity and degree of substitution (the number of sodium groups per unit). It functions as a thickener, stabilizer, binder, film former, and suspending agent. It is used in a variety of foods to include dressings, ice cream, baked goods, puddings, and sauces. The usage range is from 0.05 to 0.5%. Also termed cellulose gum. | [CAS DataBase Reference]
9000-11-7(CAS DataBase Reference) | [EPA Substance Registry System]
9000-11-7(EPA Substance) |
| Hazard Information | Back Directory | [Chemical Properties]
white powder | [Preparation]
Sodium carboxymethyl cellulose is produced by treating wood pulp or cotton linters with alkali and monochloroacetic
acid. It occurs as a white- or cream-colored powder or granules. | [Brand name]
Celluvisc (Allergan); Refresh Plus, Cellufresh
Formula (Allergan). | [Industrial uses]
Carboxymethyl cellulose is manufactured with molecular weights ranging from 50,000
to 800,000. Several modifications are of interest to flotation because they display good
depressing properties for highly floatable magnesium-bearing minerals. These include
sodium salts of phenolphthalein ether cellulose and ethanesulfo cellulose. | [Industrial uses]
Lignin sulfonate is used as dispersant,
flocculant and depressant. Lignin is an amorphous polyphenolic compound
derived from enzymatic polymerization of three phenylpropanoid monomers. | [Carcinogenicity]
Sarcomas were produced at the
site of repeated subcutaneous injection of aqueous solutions of carboxymethylcellulose. It should be noted, however, that
massive doses were given and therefore there must have been
considerable local trauma. |
| Safety Data | Back Directory | [WGK Germany ]
1
| [RTECS ]
FJ5700000
| [HS Code ]
3912310000 | [Toxicity]
LD50 unreported in mammal (species unspecified): 13340mg/kg |
| Questions And Answer | Back Directory | [Product features]
Carboxymethyl cellulose (CMC) is tackifier, at room temperature, it is non-toxic tasteless white flocculent powder, it is stable and soluble in water, aqueous solution is neutral or alkaline transparent viscous liquid, it is soluble in other water-soluble gums and resins, it is insoluble in organic solvents such as ethanol. Carboxymethyl cellulose is the substituted product of cellulosic carboxymethyl group. According to their molecular weight or degree of substitution, it can be completely dissolved or insoluble polymer, the latter can be used as the weak acid cation of exchanger to separate neutral or basic proteins.
Carboxymethyl cellulose can form highly viscous colloidal solution with adhesive, thickening, flowing, emulsifying, shaping, water, protective colloid, film forming, acid, salt, suspensions and other characteristics, and it is physiologically harmless, so it is widely used in the food, pharmaceutical, cosmetic, oil, paper, textiles, construction and other areas of production.
Application: It is used in cigarette adhesive, fabric sizing, footwear paste meal, home slimy. It is used in interior painting architectural, building lines melamine, thickening mortar, concrete enhancement. It is used in refractory fiber, ceramic production molding bond. It is used in oil drilling, exploration address slurry thickening, reducing water loss, quality paper surface sizing. It can be used as soap and washing powder detergent active additives, as well as other industrial production on the dispersion, emulsification, stability, suspension, film, paper, polishing and the like. Quality product can be used for toothpaste, medicine, food and other industrial sectors.
Instructions: Warm water and cold water can be ok when prepares the solution, it can be used with stirring until it completely melts. The amout of added water depends on variety and the use of multiple requirements.
High viscosity sodium carboxymethyl cellulose (HV-CMC) is a white or slightly yellow fibrous powder, hygroscopic, odorless, tasteless, non-toxic, easy to ferment, insoluble in acids, alcohols and organic solvents, easily dispersed to form colloidal solution in water. It is reacted by the acid and fibrous cotton, it is mainly used for water-based drilling fluids tackifier, it has certain role of fluid loss, it has strong salt and temperature resistance especially.
The above information is edited by the chemicalbook of Wang Xiaodong. | [Uses]
CMC can significantly increase the viscosity of the solution as thickener, dispersion, emulsification, suspension, protective colloid and so on when it is dissolved in water, and it is physiologically harmless, it is widely used in the food, pharmaceutical, cosmetic, oil, paper, textiles, construction and other areas of production.
|
|
|