Polyoxyl stearyl ether
time:2012-10-21 16:24:51,count:0

Polyoxyl stearyl ether
Alias
Octadecyl polyoxyethylene ether
PEG Stearyl ether
Polyethylene glycol stearyl ether
Polyoxyethylene stearyl ether
Steareth
Polyethylene glycol monostearyl ether
Polyoxyethylated stearyl alcohol
Category
Non-ionic surfactants-Polyether
CAS No.
9005-00-9
Structural Formula
Properties
Appearance: white flake or granular.
Odor: faint characteristic odor.
Solubility: slightly soluble to soluble in water.
Stability: stable.
Risk: irritation, low irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 1900mg/Kg;
rat oral LD50: 2900mg/Kg;
rat oral LD50: 25000mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent cleansing, foam stabilizing, foaming, wetting, permeating, emulsifying, solubilizing, dispersing abilities.
Notes: (1), be careful with using in children cleaning products. (2), byproduct 1,4-dioxane: carcinogen to animal, possible carcinogen (Group 2B) to human; if content is minimal, usually does not cause to harm.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
98
 
pH (25℃, 1%)
5.0-7.0
 
*: should be marked on molecular weight.
Major Uses
Use as cleansing agent widely. eg: personal care products, household cleaning, industrial cleaning, textile, leather, chemical fiber.
Emulsifying agent in petroleum, petroleum derivatives.
Leveling agent in textile, dye.
Use as solubilizing agent. eg: perfume.
Use as emulsifying agent, dispersing agent.
Use as foaming agent, foam stabilizing agent.
Product members
Steareth-2 (cas: 16057-43-5)
Steareth-3 (cas: 4439-32-1)
Steareth-4 (cas: 59970-10-4)
Steareth-5 (cas: 71093-13-5)
Steareth-6 (cas: 2420-29-3)
Steareth-7 (cas: 66146-84-7)
Steareth-9
Steareth-10 (cas: 13149-86-5)
Steareth-15
Steareth-20
Steareth-25
Steareth-30
Steareth-50
Steareth-80
Steareth-100
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 9005-00-9
Update: 20130725(1)

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