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Sodium Carboxymethylcellulose (CMC) CAS NO. 9004-32-4

1. Product Introduction Sodium Carboxymethylcellulose (CMC) CAS NO. 9004-32-4 Molecular Formula: C6H14O2 Sodium Carboxymethylcellulose (CMC) other names sodium salt of carboxymethylcellulose; carmellose; E466; is white almost odourless hygroscopic granules, powder or fine fibres. Degree of......

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1. Product Introduction

Sodium Carboxymethylcellulose (CMC)

CAS NO. 9004-32-4

Molecular Formula: C6H14O2

Sodium Carboxymethylcellulose (CMC) other names sodium salt of carboxymethylcellulose; carmellose; E466; is white almost odourless hygroscopic granules, powder or fine fibres. Degree of substitution is an important factor influencing water solubility and the viscosity of Sodium carboxymethylcellulose also has a great effect on the water solubility. When viscosity is within 25-50Pa•s and the degree of substitution is about 0.3, it shows alkaline solubility and while the degree of substitution is over 0.4, it shows water solubility. With the rise of DS, the transparency of solution improves accordingly. 


2. Specification or COA

ITEM

UNIT

SPECIFICATIONS

RESULTS

Appearance

--

White or almost white granular powder, Readily dispersed into water to form colloidal solutions

Conform

Appearance of solution

--

Solution S is not more opalescent than reference suspension III (2.2.1) and not more intensely colored than reference solution Y6 (2.2.2, Method II)

Conform

Identification A to C

--

Meet the requirements

Conform

Assay

WT%

≥99.5

99.8

Sodium content

WT%

6.5-9.5

7.0

Sodium glycolate content

WT%

≤0.4

0.05

Chlorides content

WT%

≤0.25

0.1

Sulphated ash contecnt

WT%

20.0-28.0

25.0

Viscosity, Brookfield LVT,
1% solution at 25℃

mPa.s

1500-2500 cps

1940

Loss on drying

WT%

≤8.0

3.3

Residual solvents

PPM

Methanol,≤3000
Isopropanol,≤5000

Conform

PH (1%solution at 20℃)

--

6.0-8.0

6.7

Particle size 95%

--

≤80 mesh

Conform

Degree of substitution(D.S)

--

0.7 -0.9

0.85

Standard plate count

cfu/g

≤500

Conform

Yeast and molds

cfu/g

≤100

Conform

Quality confirms to the requirements of USP and EP standards


3. Product application

Sodium Carboxymethylcellulose (CMC) has a large application in food, textile and printing & dyeing, build painting, ceramic, papermaking and mosquito coils and welding electrode industry, etc.

CMC is used in most of the compositions of cement and building materials because it acts as a stabilizer and hydrophilic agent. 

CMC is used in most of the compositions of cement and building materials because it acts as a stabilizer and hydrophilic agent.

Technical grade CMC compositions are most often used for soaps and detergents for the detergent industry.

CMC acts as a suspending agent in pesticides and water-based sprays.

CMC is added to various compositions of glues and adhesives that are used for almost any material.

CMC is used in oil paints and varnishes. It acts as a thickener and suspends the pigment in the fluid.

Crude or purified CMC is used in drilling sludge as a colloid thickener and is applied when removing the drill from the hole to avoid sediments.


4. Packing & Delivery

Standard export neutral packing in 25KG net in plastic woven bag. 20'FCL =18MT.

Regular supply of Sodium Carboxymethylcellulose (CMC) to meet requirements of global market

Suppliable for prompt delivery, no need for worry about suspension of supply


5. FAQ

Where did Meiyachem company come from?

Meiyachem was founded in Henan in 2005. Consistently with sister company KEMIACHEM CO., LIMITED, we are a global professional chemical solvents manufacturer and distributor through supplying solutions for a variety of chemicals with diverse applications and serve a wide range of industries.

What kind of packaging can Meiyachem provide?

Drums, IBC totes, ISO tank container and Flexitank.

Usually we supply the neutral packing to help push sales. Our packing is standardized in a manner which has proved successful in many export shipments. All the products were examined before packing and all packing material must be disinfected and immunized to comply with the regulations.

Can I expect shorter lead times and simpler processes from Meiyachem?

Yes. Long experience and an unmatched portfolio of products and services enable Meiyachem to meet the customer's needs in terms of quality, scheduling and energy efficiency. Our intent is to simplify processes wherever it makes sense.

How can I place a sample order? and is there a charge?

Samples may be ordered via Meiyachem website and there is no associated charge.

What price can I get?

“Quick turnover and small profit” is a guiding principle of our sales promotion work. We maintain a flexible policy in price and make the maximum profit to customers.

Will Meiyachem be ISO certified?

Meiyachem is seeking ISO certification on its products.


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