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Potassium butyl 4-oxidobenzoate

Time:2012-10-09 16:35:01; Reading: 8

Potassium butyl 4-oxidobenzoate

Synonyms

Potassium Butylparaben;

4-Hydroxybenzoic acid, butyl ester, potassium salt;

Benzoic acid, 4-hydroxy-, butyl ester, potassium salt;

Benzoic acid, p-hydroxy-, butyl ester, potassium salt;

Butylparaben, potassium salt;

Category

Anionic Surfactant

> Phenolate

Chemical Numbering System

CASRN: 38566-94-8

EINECS: 254-009-1

Molecular Formula & Molecular Weight

Molecular Formula: C11H13KO3; C11H14O3.K

Molecular Weight: 232.32

Structure

Properties

Appearance    (1), white powder.

Solubility    soluble in water.

Hygroscopicity    hygroscopic.

Stability    stable.

Risk    Solid form: flammable material; irritation, strong 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 (Rev.10) label:  

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

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

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 antimicrobial agent, preservative.

2, Personal care products

Preservative 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 dosage:

0.4% (as acid) for single ester;

0.8% (as acid) for mixtures of esters; and the sum of the individual concentrations of propylparaben and its salts and butylparaben and its salts does not exceed 0.14% (as acid).

(2), In accordance with EU regulations (EC) No 1004/2014, be included in Annex V/12 bis.

Dosage:

(2a), 0.14% (as acid) for the sum of the individual components;

(2b), When used in conjunction with the substances listed in Annex V/12, the maximum dosage does not exceed 0.8% (as acid); and the sum of the individual concentrations of propylparaben and its salts and butylparaben and its salts does not exceed 0.14% (as acid).

Manufacturers

 

Update: 20130915(1); 20190401(2);

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