Naphthalenesulfonic acid, dinonyl-
Time: 2013-10-31 15:56:00

Naphthalenesulfonic acid, dinonyl-

Synonyms

Dinonylnaphthalenesulphonic acid;

Category

Anionic Surfactant

> Sulfonate

>> Aryl Sulfonate

>>> Naphthyl Sulfonate

>>>> Linear Alkylnaphthyl Sulfonate

Chemical Numbering System

CASRN25322-17-2

EINECS246-841-9

Molecular Formula & Molecular Weight

Molecular Formula: C28H44O3S

Molecular Weight: 460.71

Structure

Properties

Appearance    (1), liquid.

Solubility    slightly soluble in water.

Stability    stable.

Risk    Liquid form: flammable material; irritation, moderate irritation to skin, eye, respiratory. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.

GHS (Rev.7) label:  

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

Biodegradability    biodegradable.

Characteristics    excellent emulsifying, dispersing, permeating, wetting, solubilizing abilities.

Synthesis

Dinonylnaphthalene and concentrated sulfuric acid react through sulfonation reaction, finally obtain product.

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Liquid

Actives, %, ≥

70.0

Test Methods

(1), Actives

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

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.

Major Uses

1, Typical applications

Use as dispersing agent, emulsifying agent.

Use as wetting agent.

Use as cleansing agent.

2, Coatings

Use as catalyst.

3, Organic synthesis

Catalyst in organic synthesis.

Manufacturers

 

Update: 20170525(1);