Margaric Acid
Time: 2012-10-03 16:17:49
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
CASRN506-12-7
EINECS208-027-1
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.7) 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);