Diacetone alcohol
Synonyms
2-Pentanone, 4-hydroxy-4-methyl-;
4-Hydroxy-4-methylpentan-2-one;
Category
Non-ionic surfactant
> Alcohol
>> Derivative of Fatty Alcohol
Chemical Numbering System
CAS: 123-42-2
EINECS: 204-626-7
Molecular Formula & Molecular Weight
Molecular Formula: C6H12O2
Molecular Weight: 116.16
Structure
Properties
Appearance (1), colorless liquid.
Odor weak mint odor.
Solubility soluble in water.
Stability stable.
Risk Liquid 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
|
mouse intraperitoneal LD50 |
933mg/kg[1] |
|
mouse oral LD50 |
3950mg/kg[1] |
|
rabbit skin LD50 |
13500mg/kg[1] |
|
rabbit intramuscular LDLo |
2792mg/kg[1] |
|
rabbit intravenous LDLo |
2792mg/kg[1] |
|
rabbit oral LDLo |
4653mg/kg[1] |
|
rat inhalation LCLo |
1000ppm/4H[1] |
|
rat oral LD50 |
2520mg/kg[1] |
|
rat intravenous LDLo |
3024mg/kg[1] |
Human Toxicity
Table 2 Human toxicity values
|
human inhalation TCLo |
100ppm[1] |
|
human inhalation TCLo |
400ppm[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, dispersing, solubilizing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
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 |
|
|
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 solvent. For example, used in cellulose acetate, cellulose nitrate.
Use as cleansing agent. For example, used in industrial cleaning.
Use as intermediate in organic synthesis.
Use as preservative.
Use as antifreezing agent.
2, Personal care products
Masking agent, solvent in personal care products.
Manufacturers
References
[1]: ChemIDplus. 123-42-2, Diacetone alcohol
Update: 20130920(1); 20190922(2)