ChemicalBook > CAS DataBase List > Sodium dodecylbenzenesulphonate

Sodium dodecylbenzenesulphonate

Product Name
Sodium dodecylbenzenesulphonate
CAS No.
25155-30-0
Chemical Name
Sodium dodecylbenzenesulphonate
Synonyms
sdbs;SODIUM DODECYLBENZENESULFONATE;Sodium dodecyL;DDBS;LAS-C12;DODECYLBENZENE SODIUM SULFONATE;SODIUM ALKYLBENZENESULFONATE;Sodium dodecyl-benzenesuffonate;DODECYLBENZENESULFONIC ACID SODIUM SALT;aa-9
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
Boiling point:
660.62℃[at 101 325 Pa]
Density 
1.02 g/cm3
vapor pressure 
0Pa at 25℃
pka
0.7[at 20 ℃]
form 
powder
color 
light yellow
Water Solubility 
800mg/L at 25℃
Merck 
14,8612
BRN 
4171051
Stability:
Stable.
InChIKey
JHJUUEHSAZXEEO-UHFFFAOYSA-M
LogP
1.96 at 25℃
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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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
289957
Product name
Sodium dodecylbenzenesulfonate
Purity
technical grade
Packaging
1kg
Price
$99.5
Updated
2024/03/01
Sigma-Aldrich
Product number
289957
Product name
Sodium dodecylbenzenesulfonate
Purity
technical grade
Packaging
10kg
Price
$339
Updated
2024/03/01
TCI Chemical
Product number
D1428
Product name
Dodecene-1 LAS
Packaging
1G
Price
$77
Updated
2021/12/16
TCI Chemical
Product number
D0990
Product name
Sodium Dodecylbenzenesulfonate (hard type) (mixture)
Packaging
500G
Price
$45
Updated
2021/12/16
Sigma-Aldrich
Product number
289957
Product name
Sodium dodecylbenzenesulfonate
Purity
technical grade
Packaging
25g
Price
$39.9
Updated
2024/03/01
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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

Sodium dodecylbenzenesulfonate has been used to stabilize dispersions of graphene nanoflakes (GNFs) during the preparation of the liquid phase of GNFs. It can also suspend single-walled carbon nanotubes as individuals in aqueous media and also give well-resolved spectral features.

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.

Flammability and Explosibility

Non flammable

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

Synthesis

Sodium dodecylbenzenesulphonate is synthesised using 2-phenyldodecane as raw material by chemical reaction. The specific synthesis steps are as follows:
To a 5 L round bottom flask equipped with mechanical stirrer and an addition funnel was added octadecane and 2-phenyldodecane mixture ( 1.73 kg, 28%> 2-phenyldodecane). The reaction mixture was sparged with argon, warmed to 35°C and 1.25 weight % of oleum (632 g, 1.58 mol) was added dropwise, via addition funnel, to reaction mixture. The reaction mixture was stirred for 1.5 hours at room temperature. Upon completion, the reaction mixture was heated to 50°C and transferred to a separatory funnel and allowed to separate. The bottom layer was added slowly to a stirred solution of 15%> NaOH (aq) (2 L) at 10°C. Upon complete addition the resulting suspension was stirred for an additional 60 minutes. The solid was subsequently isolated by filtration and washed twice with ice-cold water. The solids were air dried for 16 hours and vacuum dried at 80°C to yield sodium, 4-(dodecan-2-yl) benzenesulfonate (555 g, 80.8% yield, 98.5% purity). lH NMR (400 MHz, (CD3)2S0/CDC13) δ 0.84 (t, J = 7.0 Hz, 3H), 0.95- 1.38 (m, 19H), 1.51 (pquart, J = 7.3 Hz, 2H), 2.65 (psext, J = 7.0 Hz, 1 H), 7.1 1 (d, J = 7.6 Hz, 2H), 7.56 (d, J = 8.4 Hz, 2H). 13C NMR (101 MHz, (CD3)2S0/CDC13) δ 13.8, 22.0, 22.1 , 27.0, 28.9, 28.9, 28.9, 28.9, 31.2, 37.6, 38.8, 125.4, 125.8, 145.3, 147.7.

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.

Sodium dodecylbenzenesulphonate Preparation Products And Raw materials

Raw materials

FUMING SULFURIC ACID 1-Chlorododecane p-Toluenesulfonic acid Methanesulfonic acid Dodecylbenzene Sulfur trioxide DODECYLBENZENE Dodecylbenzenesulphonic acid

Preparation Products

Emulsifier OP-7 fluorescent whitening agent SBA Synthetic detergent high-temperature leveling agent FZ-802 Dispersing rosin latex Calcium phosphate softener FS rubber latex 109BA stearyltoluene sodium sulfonate industrial wool-scouring powder rubber latex BA detergent YR-301 silicone softener RS transparenting agent for paper brubber latex 202BA hydroxyl silicone oil emulsion 306q maleic anhydride-benzylethylene sulfonated acid copolyer Tableware cleaner detergent 826 Anti-weiwei wettable powder high effective scouring agent FB
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View Lastest Price from Sodium dodecylbenzenesulphonate manufacturers

HebeiShuoshengImportandExportco.,Ltd
Product
Sodium dodecylbenzenesulphonate 25155-30-0
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-08-06
HebeiShuoshengImportandExportco.,Ltd
Product
Sodium Dodecyl Benzene Sulfonate 25155-30-0
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-08-14
HebeiShuoshengImportandExportco.,Ltd
Product
Sodium Dodecyl Benzene Sulfonate 25155-30-0
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-08-14

25155-30-0, Sodium dodecylbenzenesulphonateRelated Search:

Sodium benzoate Sodium chloride Sodium carbonate Sodium hydroxide Diclofenac sodium Sodium acetate Sodium bicarbonate Sodium formate Sodium gluconate DODECYLBENZENE SODIUM SULFONATE Dodecylbenzenesulphonic acid OCTADECANEDIOIC ACID MONO-TERT-BUTYL ESTER OCTADECANEDIOIC ACID TRIETHANOLAMINE LAURYL SULFATE Ammonium lauryl sulfate Sodium Lauryl Sulfate 8-CHLOROADENOSINE-3',5'-CYCLIC MONOPHOSPHOROTHIOATE, RP-ISOMER SODIUM SALT Sodium dodecyl sulfate

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