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Sodium dodecylbenzenesulphonate

Sodium dodecylbenzenesulphonate Structure
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
Molecular Weight:
348.48
MOL File:
25155-30-0.mol
MSDS File:
SDS
Modify Date:
2024/7/25 20:04:51

Sodium dodecylbenzenesulphonate Properties

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)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319
Precautionary statements  P264-P270-P280-P301+P312-P302+P352-P305+P351+P338
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
Toxicity LD50 in mice: 2 g/kg orally; 105 mg/kg i.v. (Hopper)
NFPA 704
0
2 0

Sodium dodecylbenzenesulphonate price More Price(13)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 289957 Sodium dodecylbenzenesulfonate technical grade 25155-30-0 25G ₹4700 2022-06-14 Buy
Sigma-Aldrich(India) 289957 Sodium dodecylbenzenesulfonate technical grade 25155-30-0 25G ₹4700 2022-06-14 Buy
Sigma-Aldrich(India) 289957 Sodium dodecylbenzenesulfonate technical grade 25155-30-0 500G ₹5970 2022-06-14 Buy
Sigma-Aldrich(India) PHR1305 Sodium dodecylbenzenesulfonate Pharmaceutical Secondary Standard; Certified Reference Material 25155-30-0 1G ₹7279.5 2022-06-14 Buy
Sigma-Aldrich(India) 289957 Sodium dodecylbenzenesulfonate technical grade 25155-30-0 1KG ₹10600 2022-06-14 Buy
Product number Packaging Price Buy
289957 25G ₹4700 Buy
289957 25G ₹4700 Buy
289957 500G ₹5970 Buy
PHR1305 1G ₹7279.5 Buy
289957 1KG ₹10600 Buy

Sodium dodecylbenzenesulphonate Chemical Properties,Uses,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.

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

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.
Sodium dodecylbenzenesulphonate synthesis

Purification Methods

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

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