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44198

4-Dodecylbenzenesulfonic acid

mixture of isomers, ≥95%

Synonim(y):

p-Dodecylbenzenesulfonic acid

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Rozmiar/SKUDostępnośćCena netto
250 mL
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362,00 zł
1 L
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1270,00 zł

Informacje o tej pozycji

Wzór empiryczny (zapis Hilla):
C18H30O3S
Numer CAS:
Masa cząsteczkowa:
326.49
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-489-3
Beilstein/REAXYS Number:
2217653
MDL number:

362,00 zł


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description

anionic

Quality Segment

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.)

functional group

sulfonic acid

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

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).
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Ta pozycja
522953760110651621
description

mixture of isomers, ≥95%

description

70 wt. % in isopropanol

description

-

description

technical grade, 90%

technique(s)

blocking: suitable

technique(s)

-

technique(s)

-

technique(s)

-

form

liquid

form

-

form

solid or liquid (Powder or Solid or Crystals or Chunk(s) or Semi-solid or Liquid)

form

solid

assay

≥95%

assay

-

assay

≥96.5% (HPLC)

assay

90%

impurities

≤2% H2SO4

impurities

-

impurities

-

impurities

-

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

density

1.06 g/mL at 20 °C (lit.)

density

0.992 g/mL at 25 °C

density

-

density

-


pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Skin Corr. 1B

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Klasa składowania

8A - Combustible corrosive hazardous materials



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Certyfikaty analizy (CoA)

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Questions

1–3 of 3 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  3. Hello, can I ask what mixture of isomers this standard (44198) contains? I wonder if these are only C12 isomers, or also different length carbon chains C10-C13 as described e.g. by Biosynth (4-Dodecylbenzenesulfonic acid - mixture of C10-C13).

    1 answer
    1. 4-Dodecylbenzenesulfonic acid (44198-250ML) is a mixture of isomers C10-C13.

      Helpful?

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