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Carboxymethyl cellulose CAS#9000-11-7

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Chemical Name：Carboxymethyl cellulose

CAS No.:9000-11-7

Sample: Available

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Product Details

Carboxymethyl cellulose CAS#9000-11-7

CMC is an important cellulose ether, a water-soluble anionic polymer obtained through chemical modification of natural fibers. It is soluble in both cold and hot water. It possesses unique and valuable physicochemical properties, including emulsifying and dispersing abilities, resistance to degradation, and physiological inertness, making it a widely used natural polymer derivative.

Zinc Oxide CAS#1314-13-2

Carboxymethyl cellulose Chemical Properties

density	1.050 g/cm3(Temp: 15-18 °C)
FEMA	2239 \| CARBOXYMETHYLCELLULOSE
storage temp.	2-8°C
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
color	White to off-white
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
CAS DataBase Reference	9000-11-7(CAS DataBase Reference)
EPA Substance Registry System	Cellulose, carboxymethyl ether (9000-11-7)

Safety Information

WGK Germany	1
RTECS	FJ5700000
HS Code	3912310000
Toxicity	LD50 unreported in mammal (species unspecified): 13340mg/kg

Product Usage

Food Applications

As an effective thickener and stabilizer, CMC improves food texture and mouthfeel by increasing viscosity (e.g., providing a smooth texture to ice cream and preventing whey separation in yogurt). It also works synergistically with proteins and starches to prevent ingredient separation and extend shelf life. In low-fat foods, it can replace fat, mimicking the smooth, creamy texture of traditional products.

Battery Applications

In zinc-manganese/lithium-ion batteries, CMC acts as an electrolyte thickener, forming a gel network to stabilize the electrolyte and prevent leakage, while also promoting ion migration and improving conductivity. In the electrode, it functions as a binder, enhancing the adhesion between the active material and the current collector, and reducing structural collapse during repeated charge/discharge cycles.

Pharmaceutical Applications

As a pharmaceutical binder and controlled-release carrier, CMC improves tablet formulation and controls drug release rate; in medical dressings, it forms a moisturizing gel layer that promotes wound healing, while also possessing good biocompatibility and safety.

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