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44198

Sigma-Aldrich

4-Dodecylbenzenesulfonic acid

mixture of isomers, ≥95%

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Synonym(s):
p-Dodecylbenzenesulfonic acid
Empirical Formula (Hill Notation):
C18H30O3S
CAS Number:
121-65-3
Molecular Weight:
326.49
Beilstein:
2217653
EC Number:
204-489-3
MDL number:
MFCD00066677
UNSPSC Code:
12352100
PubChem Substance ID:
57650216
NACRES:
NA.22

description

anionic

Quality Level

100

Assay

≥95%

form

liquid

mol wt

326.49 g/mol

technique(s)

blocking: suitable

impurities

≤2% H2SO4

density

1.06 g/mL at 20 °C (lit.)

SMILES string

CCCCCCCCCCCCc1ccc(cc1)S(O)(=O)=O

InChI

1S/C18H30O3S/c1-2-3-4-5-6-7-8-9-10-11-12-17-13-15-18(16-14-17)22(19,20)21/h13-16H,2-12H2,1H3,(H,19,20,21)

InChI key

KWXICGTUELOLSQ-UHFFFAOYSA-N

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General description

4-Dodecylbenzenesulfonic acid (DBSA) is an alkyl sulfonate. It participates in the preparation of a polymer along with polystyrene-block-poly(4-vinylpyridine) and a comb-coil A-block-(B-graft-C) type of copolymer.

Application

4-Dodecylbenzenesulfonic acid (p-dodecylbenzenesulfonic acid, DBSA) may be used:
  • As a solvent for the synthesis of 2-(1,5-diaryl-1,4-pentadien-3-ylidene)-hydrazinecarboximidamide hydrochlorides.
  • In situ coating of rutile nanoparticles.
  • As a stabilizer in the preparation of colloidal CdS.
  • In the fabrication of solid-state dye-sensitized solar cells (DSSCs).

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Precautionary Statements

P280 - P305 + P351 + P338 - P310

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Water-assisted self-assembly of polyaniline/Fe3O4 composite honeycomb structures film.
Yu C, et al.
Thin Solid Films, 516(15), 5107-5110 (2008)
Absorption and fluorescence behavior of redispersible cadmium sulfide colloids in various organic solvents.
Resch U, et al.
Langmuir, 8(9), 2215-2218 (1992)
Influence of small molecules in conducting polyaniline on the photovoltaic properties of solid-state dye-sensitized solar cells.
Tan S, et al.
The Journal of Physical Chemistry B, 108(48), 18693-18697 (2004)
Supramolecular Assembly between Polystyrene-block-Poly (4-vinylpyridine) and 4-Dodecylbenzenesulfonic Acid.
Hong J-Y and Hong J-L.
Journal of Polymer Research, 11(2), 89-97 (2004)
Synthesis and characterization of surface-modified rutile nanoparticles and transparent polymer composites thereof.
Nussbaumer RJ, et al.
Journal of Nanoparticle Research, 4(4), 319-323 (2002)

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