Polyoxyethylene polyoxypropylene monobutyl ether
Synonyms
Oxirane, 2-methyl-, polymer with oxirane, monobutyl ether;
PPG-Buteth;
PEG/PPG butyl ether;
Polyethylene-polypropylene glycol, monobutyl ether;
Category
Non-ionic surfactant
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Chemical Numbering System
CAS: 9038-95-3 / 9065-63-8
EINECS: N/A / N/A
Molecular Formula & Molecular Weight
Molecular Formula: (C3H6O.C2H4O)x.C4H10O
Molecular Weight: N/A
Structure
Properties
Appearance (1), liquid to solid.
Solubility insoluble in water to soluble in water. Solubility is related to EO/PO number.
Stability stable.
Risk Liquid (or solid) form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
dog inhalation LC50 |
> 500mg/m3/4H[1] |
|
guinea pig inhalation LC50 |
293mg/m3/4H[1] |
|
hamster inhalation LC50 |
511mg/m3/4H[1] |
|
mouse inhalation LC50 |
174mg/m3/4H[1] |
|
mouse oral LD50 |
7460mg/kg[1] |
|
mouse oral LD50 |
49000mg/kg[1] |
|
rabbit oral LD50 |
1770mg/kg[1] |
|
rabbit oral LD50 |
16000mg/kg[1] |
|
rabbit skin LD50 |
14.1mL/kg[1] |
|
rabbit skin LD50 |
> 20mL/kg[1] |
|
rabbit skin LD50 |
20mL/kg[1] |
|
rabbit skin LD50 |
> 20000mg/kg[1] |
|
rabbit skin LDLo |
21000mg/kg[1] |
|
rat inhalation LC50 |
147mg/m3/4H[1] |
|
rat inhalation LC50 |
330mg/m3/4H[1] |
|
rat inhalation LC50 |
4670mg/m3/4H[1] |
|
rat inhalation LC50 |
4770mg/m3/4H[1] |
|
rat intraperitoneal LD50 |
2600mg/kg[1] |
|
rat oral LD50 |
4mL/kg[1] |
|
rat oral LD50 |
8.53mL/kg[1] |
|
rat oral LD50 |
9.17mL/kg[1] |
|
rat oral LD50 |
12.3mL/kg[1] |
|
rat oral LD50 |
18.3mL/kg[1] |
|
rat oral LD50 |
20.6mL/kg[1] |
|
rat oral LD50 |
38.4mL/kg[1] |
|
rat oral LD50 |
5000mg/kg[1] |
|
rat oral LD50 |
5370mg/kg[1] |
|
rat oral LD50 |
6130mg/kg[1] |
|
rat oral LD50 |
9610mg/kg[1] |
|
rat oral LD50 |
45000mg/kg[1] |
|
rat intratracheal LDLo |
0.02mL/kg[1] |
|
rat intravenous LDLo |
1.75mL/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, solubilizing, wetting, permeating, lubricating, cleansing abilities. Performance is related to EO/PO number.
Note (1), The by-product 1,4-dioxane is a possible carcinogen. Generally, can be acceptable when concentration of 1,4-dioxane is less than 30ppm or less.
(2), Be careful with using in children's products.
Synthesis
Obtained that butyl alcohol reacts with ethylene oxide, propylene oxide.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid/Solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Liquid/Solid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as emulsifying agent, dispersing agent.
Use as solubilizing agent.
Use as cleansing agent.
2, Textile
Wetting agent, permeating agent, leveling agent in textile, dye, leather, chemical fiber.
3, Personal care products
Conditioning agent, solvent in personal care products.
Product members
PPG-2-Buteth-1;
PPG-2-Buteth-2;
PPG-2-Buteth-3;
PPG-3-Buteth-5;
PPG-4-Buteth-4;
PPG-5-Buteth-5;
PPG-5-Buteth-7;
PPG-7-Buteth-4;
PPG-7-Buteth-10;
PPG-9-Buteth-12;
PPG-10-Buteth-9;
PPG-12-Buteth-12;
PPG-12-Buteth-16;
PPG-15-Buteth-20;
PPG-17-Buteth-17;
PPG-19-Buteth-19;
PPG-20-Buteth-30;
PPG-24-Buteth-27;
PPG-26-Buteth-26;
PPG-28-Buteth-35;
PPG-30-Buteth-30;
PPG-33-Buteth-45;
PPG-36-Buteth-36;
PPG-38-Buteth-37;
Manufacturers
References
[1]: ChemIDplus. 9038-95-3, Oxirane, 2-methyl-, polymer with oxirane, monobutyl ether
Update: 20130810(1); 20191111(2);