Hydroxyethyl Methyl Cellulose (HEMC) CAS 9032-42-2

Hydroxyethyl Methyl Cellulose (HEMC) CAS NO: 9032-42-2 Properties: White or off-white powder. It is almost insoluble in hot water, acetone, ethanol, ether and toluene. Soluble in water and some organic solvents, such as the appropriate ratio of...

Product Details

Hydroxyethyl Methyl Cellulose (HEMC)

CAS NO:  9032-42-2

Properties:

White or off-white powder.  It is almost insoluble in hot water, acetone, ethanol, ether and toluene. Soluble in water and some organic solvents, such as the appropriate ratio of ethanol and water, alcohol and water, ethylene dichloride and so on. Solution has surface-active, transparent and stable performance. Solubility in water is not affected by PH value. It is not soluble in hot water but cold water, insoluble in most organic solvents. The surface treated products can disperse but not condense in cold water, dissolved slowly, but can be quickly dissolved by adjusting PH value to 8-10.

Application: 

Widely used in water-based latex paint, construction and building materials, printing inks, oil drilling and so on.   

Specification:

Items

Quality

Methoxyl content,%

24.5-28.0

Hydroxyethoxyl content,%

1.5-9.5

Moisture,%

8.0 max.

Ash,%

3.0 max.

PH

5.0-8.5

Viscosity specification:

Type

Viscosity range(mPa.s)

Type

Viscosity range(mPa.s)

400

300~500

20000

18000~30000

800

600~900

40000

30000~50000

1500

1200~1800

75000

50000~85000

4000

3000~5600

100000

85000~130000

8000

6000~9000

150000

130000~180000

10000

9000~12000

200000

≥180000

15000

12000~18000

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Note: Viscosity above are of 2% water solution detected by NDJ viscometer, 20℃.

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