Sodium 1-naphthaleneacetate
Synonyms
1-Naphthaleneacetic acid, sodium salt (1:1);
Sodium naphthalene-1-acetate;
Sodium alpha-naphthylacetate;
Category
Anionic Surfactant
> Carboxylate
>> Chain Carboxylate
>>> Naphthyl Alkyl Carboxylate
>>>> Naphthyl Linear Alkylcarboxylate
Chemical Numbering System
CAS: 61-31-4
EINECS: 200-504-2
Molecular Formula & Molecular Weight
Molecular Formula: C12H9NaO2; C12H10O2.Na
Molecular Weight: 208.19
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
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 label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse oral LD50 |
670mg/kg[1] |
|
rabbit skin LD50 |
> 2000mg/kg[1] |
|
rat oral LD50 |
933mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing, wetting, permeating abilities.
Synthesis
Obtained that 1-naphthaleneacetic acid reacts with sodium hydroxide.
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 dispersing agent, emulsion stabilizer.
Manufacturers
References
[1]: ChemIDplus. 61-31-4, 1-Naphthaleneacetic acid, sodium salt
Update: 20180925(1);