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4,4-Dimethyloxazolidine

Time:2013-09-19 20:16:03; Reading: 12

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);

Document

[Terminology] Dispersion system

[Terminology] Vesicle

Pandect of Ester surfactants (1): Definition

[Terminology] Van Der Waals force

[Terminology] Micellar aggregation number

Standard

Test methods of surfactants, catalog, Chinese national standards

Surfactants, catalog, Chinese national standards

Test methods of materials, catalog, Chinese national standards

Basic standards of materials, catalog, Chinese national standards

Test methods of textile auxiliaries, catalog, Chinese national standards