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Sodium Lauryl Ether Sulfate

Sodium Lauryl Ether Sulfate (SLES) Other names: SLES, AES, Sodium Laureth Sulfate, Sodium Alcohol Ether Sulphate, Sodium Alkyl Ether Sulfate. Molecular Formula: RO(CH2CH2O)nSO3Na R:C12-15 alkyl, n=2-3 HS Code: 3402110000. CAS No.: 68585-34-2 / 68891-38-3, EINECS No.: 500-223-8 / 500-234-8....

Sodium Lauryl Ether Sulfate (SLES)

Other names: SLES, AES, Sodium Laureth Sulfate, Sodium Alcohol Ether Sulphate, Sodium Alkyl Ether Sulfate.

Molecular Formula: RO(CH2CH2O)nSO3Na  R:C12-15 alkyl, n=2-3

HS Code: 3402110000.

CAS No.: 68585-34-2 / 68891-38-3, EINECS No.: 500-223-8 / 500-234-8.


Sodium Lauryl Ether Sulfate (SLES) 70% purity is always produced and used.


Specifications:

Item

Specification

Appearance

White to yellowish paste

Active matter, average (%)

70±2

Sodium sulfate (%)

2.0 Max

Unsulfured matter (%)

3.0 Max

pH value (1% a.m.)

7.5~9.5

Color, Hazen (5% a.m.)

20 Max

1,4-Dioxane (ppm)

30ppm Max


Boiling Point (℃): >100; 

Specific Gravity/Density (g/ml): 1.08

Sodium Lauryl Ether Sulfate (SLES) can be called ‘Sodium Laureth Sulfate’ for short.

Sodium Lauryl Ether Sulfate (SLES) is considered to be slightly less irritating than SLS, and a little higher foaming ability than SLS. 

 

Sodium Lauryl Ether Sulfate (SLES) has the only main problem that the manufacturing process (ethoxylation) results in 1,4 dioxane, a carcinogenic by-product, while our manufacturer can control it under 10ppm.


The major raw material of producing Sodium Lauryl Ether Sulfate (SLES) is Fatty Alcohol-polyoxyethylene Ether (AEO). The equipment needed are reaction kettle, vacuum equipment, dilution equipment, heating equipment. 

The highest temperature is 120℃. The technology is easy to control.


Sodium Lauryl Ether Sulfate (SLES) is normally manufactured as 70% purity. If you want to get 30% or 60% lower purity, please put the high purity SLES into a certain quantity of water, while not add water into SLES.


Sodium Lauryl Ether Sulfate (SLES) has wide compatibility, strong resistance to hard water, high biodegradation, low irritation to skin and eye.


Applications:

Sodium Lauryl Ether Sulfate (SLES) is mainly used in Shampoo, shower gel, dishwashing detergent, complex soap, liquid detergent, textile, printing and dyeing, oil and leather industries as effective emulsifier, cleaner, foaming agent and degreasing agent. 


Sodium Lauryl Ether Sulfate (SLES) can also be used to make hard face detergents such as glass detergents or car detergents. It is always be used together with SLS (Sodium Lauryl Sulfate), LAS-Na (Sodium Linear Alkylbenzene Sulfonate), 6501 (Coconut Diethanol Amide) etc.


Sodium Lauryl Ether Sulfate (SLES) is always used in washing powder and detergent for heavy dirty. Using SLES to replace LAS, phosphate can be reduced or saved, and general dosage of active matter is reduced. In textile, printing and dyeing, oil and leather industries, it is the lubricant, dyeing agent, cleaner, foaming agent and degreasing agent.


Compare of SLES (2EO) and SLES (3EO):

The difference of number of epoxyethane (EO) molecular in SLES lead to different function and application. 

SLES (3EO) can create copious foam but a little more irritative, more suitable for producing dishwashing detergent.

SLES (2EO) has more delicate and fine foam, more suitable for producing shampoo and body wash products.

SLES (3EO) has better solubility, SLES (2EO) has better thickening performance.


Shelf life of SLES: 1 year (store in a dry warehouse with adequate ventilation, temperature 8℃-35℃). If the temperature is above 50℃, or pH value lower than 5, SLES will decompose.

Packing and Storage: Packed in drums or flexi-tank. 

It is recommended that SLES be stored in closed containers and kept in cool, dry place. If the SLES is frozen, it should be heated gently and stirred to ensure it is homogeneous before using.


20’FCL capacity: 

20.06MT, non-palletized, 170kg drums; 

17.6MT, palletized, 220kg drums; 

20MT(around), flexi-tank.

Transport information: General chemical.


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    Add:31-2-1006 Hongtaijiayuan, No.161 Xincun West Road, Zhangdian Zibo Shandong China

    Tel:+86-533-2831007

    Fax:+86-533-2831007
    Mob/Wechat: +86-13969314203

    E-mail:xu@zbruxing.com


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