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Margaric Acid

Time:2012-10-03 16:17:49; Reading: 10

Margaric Acid

Synonyms

Heptadecanoic acid;

n-Heptadecanoic acid;

n-Heptadecoic acid;

Category

Anionic Surfactant

> Carboxylate

>> Chain Carboxylate

>>> Alkyl Carboxylate

>>>> Linear Alkyl Carboxylate

Chemical Numbering System

CASRN:506-12-7

EINECS:208-027-1

Molecular Formula & Molecular Weight

Molecular Formula: C17H34O2

Molecular Weight: 270.45

Structure

Properties

Appearance    (1), white solid.

Solubility    insoluble in water. soluble in toluene, ethyl ether.

Stability    stable.

Risk    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 (Rev.10) label:  

Animal Toxicity

Table 1 Animal toxicity values

mouse intraperitoneal LD

> 500mg/kg[1]

mouse intravenous LD50

36mg/kg[1]

Ecology    may be hazardous to environment. Water body should be given special attention.

Biodegradability    biodegradable.

Characteristics    excellent cleansing, emulsifying, dispersing, solubilizing, foaming, lubricating abilities. Nonresistant to hard water.

Synthesis

Prepared by alkanes oxidation.

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

GB/T 5173 Surface active agents and detergents-Determination of anionic-active matter by direct two-phase titration procedure

ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure

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.

Major Uses

1, Typical applications

Use as cleansing agent.

Use as emulsifying agent, dispersing agent.

Use as lubricant.

2, Household detergents

Use as cleansing agent.

3, Pets

Use as cleansing agent, emulsifying agent.

4, Organic synthesis

Used in organic synthesis, for example, used in preparation of heptadecanoic acid esters.

5, Biochemical

Used in biochemical research.

Manufacturers

 

References

[1]: ChemIDplus. 506-12-7, Margaric acid

Update: 20131102(1); 20180206(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