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443816

Sigma-Aldrich

1-Dodecanol

ACS reagent, ≥98.0%

Synonym(s):

Alcohol C12, Dodecyl alcohol, Lauryl alcohol

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About This Item

Linear Formula:
CH3(CH2)11OH
CAS Number:
112-53-8
Molecular Weight:
186.33
Beilstein:
1738860
EC Number:
203-982-0
MDL number:
MFCD00004753
UNSPSC Code:
12352104
eCl@ss:
39020229
PubChem Substance ID:
329756504
NACRES:
NA.21
grade:
ACS reagent
bp:
260-262 °C (lit.)
vapor pressure:
0.1 mmHg ( 20 °C)
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grade

ACS reagent

Quality Level

200

vapor density

7.4 (vs air)

vapor pressure

0.1 mmHg ( 20 °C)

Assay

≥98.0%

form

solid or liquid

autoignition temp.

500 °F

expl. lim.

4 %

dilution

(for analytical testing)

impurities

≤0.05% water

color

APHA: ≤10

refractive index

n20/D 1.442 (lit.)

bp

260-262 °C (lit.)

mp

22-26 °C (lit.)

solubility

water: slightly soluble 1 g/L at 23 °C

density

0.833 g/mL at 25 °C (lit.)

SMILES string

CCCCCCCCCCCCO

InChI

1S/C12H26O/c1-2-3-4-5-6-7-8-9-10-11-12-13/h13H,2-12H2,1H3

InChI key

LQZZUXJYWNFBMV-UHFFFAOYSA-N

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General description

1-Dodecanol is a long chain alkyl alcohol.[1] Its density and viscosity over a temperature range, 303.15 to 323.15K have been determined.[2] The thermodynamics of the interaction between 1-dodecanol and sodium dodecyl sulfate (SDS) micellar solutions has been reported.[3] This solvent meets ACS specifications and can be used for processes requiring strict quality conditions such as analytical testing.

Application

1-Dodecanol may be used in the synthesis of the following:
  • Monododecyl glyceryl ethers via etherification by reacting with glycerol in the presence of 10mol% of 1-bromododecane.[1]
  • ω- and (ω-1)-Hydroxy derivatives via hydroxylation reaction catalyzed by frog liver microsomes.[4]
  • Dodecanal via oxidation in the presence of sodium bromate and ruthenium catalyst.[5]
It may be used to extract polycyclic aromatic hydrocarbons (PAHs) from water samples via dispersive liquid-liquid microextraction technique.[6]

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H319,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

249.8 °F - closed cup

Flash Point(C)

121 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
STBL3477
SHBS0873
SHBR4820
SHBR2754
STBK2167

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Cerium or ruthenium catalyzed oxidation of alcohols to carbonyl compounds by means of sodium bromate.
Kanemoto S, et al.
Bulletin of the Chemical Society of Japan, 59(1), 105-108 (1986)
Homogeneously-catalyzed etherification of glycerol with 1-dodecanol.
Gaudin P, et al.
Catalysis Science & Technology, 1(4), 616-620 (2011)
Thermodynamic studies of 1-dodecanol and SDS in aqueous solutions.
Abe M and Ogino K.
Journal of Colloid and Interface Science, 80(1), 146-152 (1981)
Y Miura
Lipids, 16(10), 721-725 (1981-10-01)
Frog liver microsomes catalyzed the hydroxylation of 1-dodecanol into the corresponding omega- and (omega-1)-hydroxy derivatives. The hydroxylation rate for 1-dodecanol was much lower than that for lauric acid. Both NADPH and O2 were required for hydroxylation activity. NADH had no
Density and viscosity of 1-alkanols.
Saleh MA, et al.
Physics and Chemistry of Liquids, 42(6), 615-623 (2004)
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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/449/386/product-dating-information-mk.pdf

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  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

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  3. The 1-dodecanol comes in solid form but I need it in solution. Which solvent can I use to do so?

    1 answer

    1. 1-dodecanol is not offered in liquid format only. This product , along with product 126799 and W261718, consists of a "Solid or Liquid" specification. The melting point of the product (mp 22-26 °C (lit.) is around room temperature - the ambient temperature will influence whether or not this product will be in its solid or liquid form. That is why the specification lists the form as either solid or liquid.

      In order to ensure you receive a lot with the "Liquid" specification result, please contact Technical Service as they can view the batch material in stock and see the appearance specification results per batch. Please navigate to the link https://www.sigmaaldrich.com/techservice, click on "Product Technical Inquiries" under the Products Section with all the required information so that a member of Technical Service can reach out to you to assist further. Thank you.

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