Sodium Carboxymethy Cellulose ( CMC )

Specifications

Sodium Carboxymethy Cellulose  ( CMC )

CHEMICAL DESCRIPTION 

High Purity Sodium Carboxymethy Cellulose

   CAS NUMBER             9004-32-4

Sodium carboxymethyl cellulose is white or yellowish powder that is odorless, tasteless and non-toxic. It has high hygroscopicity and is soluble in water to form thick liquid. It is a polyanionic electrolyte and is not fermented. It has good heat-stability, resistance to salt and film-forming characteristics. It is a strong emulsifier for fatty and oil.

The product is widely used in the industry of oil field darilling, textile, daily chemicals, building materials,ceramals, food and medicine as thickener, emulsifier, adhesive, excipient, protective colloid, etc.

HANDLING & STORAGE

Handling              Handle in a well ventilated area. The fine particles and powder should be regarded as an inert, nuisance dust with a threshold limit value of 10mg/m- for total dust and of 3mg/m- for the respirable portion. Avoid static build-up when emptying big bags. Earth all equipment and attach a grounding  cable to the bag grounding connection.

Storage               Product should be stored, under cover, in a clean wet ventilated area. Maintain a clean area by removing dust. Keep away from heat, sparks and other sources of ignition. Store in a dry area.

 PHYSICAL & CHEMICAL PROPERTIES

Typical data are :

Form                     Free flowing powder or granulate

Color                    Light cream to white

Odor                     Odorless

Solubility               Complete in water

pH value (25degree)          6.5-8.5 (2% solution)

Dust explosion data:       

Auto-flammability (degree)        ~370 (dust)

Explosion Limit-lower (g/m-)  165 (dust)

They CMC for  Food, toothpaste, petroleum industry, drilling fluid, Pharmaceutical industry, welding rod, ceramic industry, detergent, painting, paper making and other industries.

CMC packing : should be packed into edible polyethylene film inner-bag enclosed by composite paper-plastic outer-bag.

Net weight is 25 kg a bag.