Dodecyl alcohol, ethoxylated
time:2012-10-21 16:10:07,count:0

Dodecyl alcohol, ethoxylated
Alias
Polyethylene glycol monododecyl ether
Laureth
PEG Lauryl ether
Dodecanol, ethoxylate
Dodecyl alcohol polyoxyethylene ether
Glycols, polyethylene, monododecyl ether
Poly(oxy-1,2-ethanediyl), alpha-dodecyl-omega-hydroxy-
Polyoxyethylene lauryl ether
Polyoxyl lauryl ether
Polyoxyethylenedodecyl ether
Category
Non-ionic surfactants-Polyether
CAS No.
9002-92-0
Structural Formula
Properties
Appearance: colorless transparent liquid to white paste to white flake or granular.
Odor: faint characteristic odor.
Solubility: dispersed in water to soluble in water.
Stability: stable.
Risk: irritation, low irritation to skin, eye.
Animal toxicity[1]: rat oral LD50: 1000mg/Kg;
rat oral LD50: 4150mg/Kg;
rat oral LD50: 8600mg/Kg;
rat intraperitoneal LD50: 125mg/Kg;
rat intravenous LD50: 27mg/Kg;
rat intravenous LD50: 390mg/Kg;
rat subcutaneous LD50: 953mg/Kg;
rat subcutaneous LD50: 954mg/Kg;
mouse oral LD50: 1170mg/Kg;
mouse oral LD50: 3500mg/Kg;
mouse oral LD50: 4940mg/Kg;
mouse intraperitoneal LD50: 160mg/Kg;
mouse intravenous LD50: 100mg/Kg.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent cleansing, foaming, foam stabilizing, 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
Laureth-1 (cas: 4536-30-5)
Laureth-2 (cas: 3055-93-4)
Laureth-3 (cas: 3055-94-5)
Laureth-4 (cas: 5274-68-0)
Laureth-5 (cas: 3055-95-6)
Laureth-6 (cas: 3055-96-7)
Laureth-7 (cas: 3055-97-8)
Laureth-8 (cas: 3055-98-9)
Laureth-9 (cas: 3055-99-0)
Laureth-10
Laureth-11
Laureth-12
Laureth-13
Laureth-14
Laureth-15
Laureth-16
Laureth-20
Laureth-21
Laureth-23
Laureth-25
Laureth-30
Laureth-38
Laureth-40
Laureth-50
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/:9002-92-0
Update: 20130725(1)

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