4,4-Dimethyloxazolidine
Synonyms
Dimethyl oxazolidine;
4,4-Dimethyl-1,3-oxazolidine;
Category
Non-ionic surfactant
> Amine
>> Heteroalicyclic Amine
>>> Oxazolidine and its Derivatives
Chemical Numbering System
CASRN: 51200-87-4
EINECS: 257-048-2
Molecular Formula & Molecular Weight
Molecular Formula: C5H11NO; C5H11N1O
Molecular Weight: 101.15
Structure
Properties
Appearance (1), liquid.
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, nitrogen oxides and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.10) label:
Animal Toxicity
Table 1 Animal toxicity values
rabbit skin LD50 |
1400mg/kg[1] |
rat inhalation LC50 |
11700mg/m3[1] |
rat oral LD50 |
950mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antimicrobial, antibacterial, preservative abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
Item |
Physical and chemical indexes |
Liquid |
|
Actives, %, ≥ |
75.0 |
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 antimicrobial agent, preservative.
2, Personal care products
Preservative, antimicrobial agent in personal care products.
Further information:
(1), In accordance with Safety and Technical Standards for Cosmetics (2015 Edition) of China, be included in the allowable preservatives.
Maximum concentration is 0.1%.
pH ≥ 6.
(2), In accordance with EU regulations (EC) No 1223/2009, directive 91/184/EEC, be included in Annex V/45.
Maximum concentration is 0.1%.
pH > 6.
Manufacturers
References
[1]: ChemIDplus. 51200-87-4, 4,4-Dimethyl oxazolidine
Update: 20200808(1);