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Sodium dodecylbenzenesulphonate

Product Name:
Sodium dodecylbenzenesulphonate
CAS No.
25155-30-0
Chemical Name:
Sodium dodecylbenzenesulphonate
CBNumber:
CB4852054
Molecular Formula:
C18H29NaO3S
Formula Weight:
348.48
MOL File:
25155-30-0.mol
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Sodium dodecylbenzenesulphonate Property

Melting point:
>300 °C
Density 
1.02 g/cm3
form 
powder
color 
light yellow
Merck 
14,8612
BRN 
4171051
Stability:
Stable.
InChIKey
JHJUUEHSAZXEEO-UHFFFAOYSA-M
CAS DataBase Reference
25155-30-0(CAS DataBase Reference)
EPA Substance Registry System
Sodium dodecylbenzenesulfonate (25155-30-0)
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Safety

Hazard Codes 
Xn
Risk Statements 
22-37/38-41
Safety Statements 
26-27-36/37/39
RIDADR 
3077
WGK Germany 
2
RTECS 
DB6825000
HazardClass 
9
PackingGroup 
III
HS Code 
29041000
Hazardous Substances Data
25155-30-0(Hazardous Substances Data)
Toxicity
LD50 in mice: 2 g/kg orally; 105 mg/kg i.v. (Hopper)
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N-Bromosuccinimide Price More Price(8)

Sigma-Aldrich Gold
Product number:
289957
Product name :
Sodium dodecylbenzenesulfonate
Purity:
technical grade
Packaging:
1kg
Price:
$80.5
Updated:
2020/08/18
Buy:
Buy
Sigma-Aldrich Gold
Product number:
289957
Product name :
Sodium dodecylbenzenesulfonate
Purity:
technical grade
Packaging:
10kg
Price:
$272
Updated:
2020/08/18
Buy:
Buy
Sigma-Aldrich Gold
Product number:
289957
Product name :
Sodium dodecylbenzenesulfonate
Purity:
technical grade
Packaging:
500g
Price:
$48.3
Updated:
2020/08/18
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Buy
Sigma-Aldrich Gold
Product number:
PHR1305
Product name :
Sodium dodecylbenzenesulfonate
Purity:
Pharmaceutical Secondary Standard; Certified Reference Material
Packaging:
1g
Price:
$70.6
Updated:
2020/08/18
Buy:
Buy
Sigma-Aldrich Gold
Product number:
289957
Product name :
Sodium dodecylbenzenesulfonate
Purity:
technical grade
Packaging:
25g
Price:
$33.5
Updated:
2020/08/18
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Buy
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Sodium dodecylbenzenesulphonate Chemical Properties,Usage,Production

Description

Sodium dodecyl benzene sulfonate is a series of organic compounds with the formula C12H25C6H4SO3Na. It is a colourless salt with useful properties as a surfactant. It is usually produced as a mixture of related sulfonates. It is a major component of laundry detergent.

Chemical Properties

white or light yellow flakes

Uses

A surfactant used in proteomics research.

Uses

Anionic detergent.

General Description

Sodium dodecylbenzenesulfonate is a white to light yellow flakes, granules or powder. Sodium dodecylbenzenesulphonate is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Sodium dodecylbenzenesulphonate is used as a synthetic detergent.

Air & Water Reactions

Sodium dodecylbenzenesulphonate is soluble in water.

Reactivity Profile

SODIUM DODECYLBENZENESULFONATE is incompatible with strong oxidizers.

Health Hazard

Minor skin and eye irritant. INGESTION: May cause vomiting, diarrhea, and intestinal distension.

Industrial uses

These frothers are mixtures of alcohols containing 6–8 carbon atoms. They were at one time marketed by DuPont and they are tailored frothers for specific ore types. The bestknown frother from this group is methyl isobutyl carbinol (MIBC) and 2-ethyl hexanol.
Aliphatic alcohol frothers are used as mixtures of different carbon lengths and as a mixture of hydrocarbon oils.

Safety Profile

Poison by intravenous route. Moderately toxic by ingestion. A skin and severe eye irritant. When heated to decomposiuon it emits tomc fumes of NazO. See also SULFONATES

Purification Methods

It crystallises from propan-2-ol or H2O. [Gray et al. J Org Chem 20 515 1955, Beilstein 11 IV 514.]

Alkyl benzene sulfonates

Most sodium dodecyl benzene sulfonates are a member of the linear alkyl benzene sulfonates, meaning that the dodecyl group (C12H25) is un branched. This dodecyl chain is attached at the 4- position of the benzene sulfonate group. Linear dodecyl-4-benzene sulfonate anions can exist in six isomers (ignoring optical isomers), depending on the carbon of the dodecyl group that is attached to the benzene ring. The isomer shown below left is 4-(5-dodecyl ) benzene sulfonate (4 indicating the position of the benzene ring, 5 indicating the position on the dodecane chain). Branched isomers, e.g. those derived from tetramerized propylene, are also known (below right) but are not as widely used because they biodegrade too slowly.
Production
Trillions of kilograms are produced annually. Given the large scale of the application, the alkyl benzene sulfonates have been prepared by many methods. In the most common route, benzene is alkylated by long chain mono alkenes (e.g. dodecene) using hydrogen fluoride as a catalyst. The purified dodecyl benzenes (and related derivatives) are then sulfonated with sulfur trioxide to give the sulfonic acid. The sulfonic acid is subsequently neutralized with sodium hydroxide.

Environmental considerations

Biodegradability has been well studied , and is affected by the isomerization (branching). The salt has an LD50 of 2.3 mg / liter for fish , about 4x more toxic than the branched tetra propylene benzene sulfonate. It is however biodegraded more rapidly. Oxidative degradation initiates at the alkyl chain.

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Sodium dodecylbenzenesulphonate Suppliers

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Shandong hengli additives co. LTD
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