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219967

Sigma-Aldrich

12-Hydroxyoctadecanoic acid

99%

Sinonimo/i:

12-HSA, 12-Hydroxystearic acid

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About This Item

Formula condensata:
CH3(CH2)5CH(OH)(CH2)10COOH
Numero CAS:
106-14-9
Peso molecolare:
300.48
Beilstein:
1726730
Numero CE:
203-366-1
Numero MDL:
MFCD00004592
Codice UNSPSC:
12352100
ID PubChem:
24853156
NACRES:
NA.22
Prezzi e disponibilità al momento non sono disponibili

Saggio

99%

Stato

solid

Punto di fusione

74-76 °C (lit.)

Gruppo funzionale

carboxylic acid
hydroxyl

Stringa SMILE

CCCCCCC(O)CCCCCCCCCCC(O)=O

InChI

1S/C18H36O3/c1-2-3-4-11-14-17(19)15-12-9-7-5-6-8-10-13-16-18(20)21/h17,19H,2-16H2,1H3,(H,20,21)
ULQISTXYYBZJSJ-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Non-isothermal nucleation rate of a self-assembling fibrillar network of 12-hydroxyoctadecanoic acid (12-hydroxystearic acid) in canola oil has been reported[1]. It is commonly used as gelling agent for organic solvents[2]. Self-assembled monolayers of 12-hydroxyoctadecanoic acid and its 4,4′-bipyridinium salt have been observed on the solution graphite interface using scanning tunnelling microscopy[2].

Applicazioni

12-Hydroxyoctadecanoic acid was used in the preparation of vegetable oil based organogels and gel′s in-situ supramolecular network structure has been investigated by cryo-scanning electron microscopy[3].

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
0000445197
0000445197
0000433378
0000433378
0000387885

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2-Hydroxyhexadecanoic acid ≥98% (capillary GC)

Sigma-Aldrich

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Ricinoleic acid analytical standard

Supelco

90969

Ricinoleic acid

2-Hydroxydodecanoic acid ≥98% (capillary GC)

Sigma-Aldrich

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Sigma-Aldrich

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STM observation of 12-hydroxyoctadecanoic acid and its 4, 4'-bipyridinium salt self-assembled on a graphite surface
Qian P, et al.
Chemical Communications (Cambridge, England), 13, 1197-1198 (1999)
Non-isothermal nucleation and crystallization of 12-hydroxystearic acid in vegetable oils.
Rogers MA and Marangoni AG.
Crystal Growth & Design, 8(12), 4596-4601 (2008)
A novel cryo-SEM technique for imaging vegetable oil based organogels.
Rogers MA, et al.
Journal of the American Oil Chemists' Society, 84(!0), 899-906 (2007)
Zhen Yang et al.
Food chemistry, 295, 82-93 (2019-06-09)
The aim of the study was to investigate the occurrence and formation of peroxygenase catalysed non-volatile oxidised fatty acids (NVOFAs), especially epoxy and hydroxy fatty acids, which potentially provide off-flavours in oat. A method based on extraction of NVOFAs using
Wei He et al.
International journal of pharmaceutics, 484(1-2), 163-171 (2015-03-01)
The present paper attempted to develop temperature-sensitive and core-shell structured gel-nanocarriers (gel-NCs) for paclitaxel (PTX) with 12-hydroxystearic acid (12-HSA) as an organic gelator, which aims at sustaining drug release over time and thus improves the therapeutic effect. The gel-NCs were
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Questions

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  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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