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P51559

Sigma-Aldrich

Propionyl chloride

98%

Sinonimo/i:

Chloro ethyl ketone, Ethyl chloroform, Propionic acid chloride, Prorionyl chloride

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25 G
45,80 €
500 G
59,70 €

45,80 €

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25 G
45,80 €
500 G
59,70 €

About This Item

Formula condensata:
CH3CH2COCl
Numero CAS:
79-03-8
Peso molecolare:
92.52
Beilstein:
385632
Numero CE:
201-170-0
Numero MDL:
MFCD00000745
Codice UNSPSC:
12352100
ID PubChem:
24898602
NACRES:
NA.22

45,80 €

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Densità del vapore

3.2 (vs air)

Saggio

98%

Indice di rifrazione

n20/D 1.404 (lit.)

P. ebollizione

77-79 °C (lit.)

Punto di fusione

−94 °C

Densità

1.059 g/mL at 25 °C (lit.)

Stringa SMILE

CCC(Cl)=O

InChI

1S/C3H5ClO/c1-2-3(4)5/h2H2,1H3
RZWZRACFZGVKFM-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Propionyl chloride is an important chemical intermediate used to synthesize various propionic acid derivatives.

Applicazioni

Propionyl chloride can be used as an acylating agent:
  • To convert anisole to 4-methoxypropiophenone and 2-methoxynaphthalene to 1-propio-2-methoxynaphthalene in the presence of Indium(III) chloride (InCl3) impregnated mesoporous Si-MCM-41 catalyst.[1]

It can also be used:
  • For chlorination in the presence of sulfuryl chloride and peroxides to form α-chloropropionyl chloride and β-chloropropionyl chloride.[2]
  • In reaction with (hydroxypropyl)cellulose to form the propanoate ester, [(propionyloxy)propyl]cellulose.[3]

Avvertenze

Danger

Indicazioni di pericolo

H225,H302,H314,H331

Classi di pericolo

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Rischi supp

EUH014

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

42.8 °F - closed cup

Punto d’infiammabilità (°C)

6 °C - closed cup

Dispositivi di protezione individuale

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

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
0000178015
0000185870
STBK0071
STBJ4745
STBJ2165

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Chlorinations with Sulfuryl Chloride. III.(a) The Peroxide-Catalyzed Chlorination of Aliphatic Acids and Acid Chlorides.(b) The Photochemical Sulfonation of Aliphatic Acids
Kharasch MS and Brown HC
Journal of the American Chemical Society, 62(4), 925-929 (1940)
The propanoate ester of (2-hydroxypropyl) cellulose: a thermotropic cholesteric polymer that reflects visible light at ambient temperatures
Tseng SL, et L.
Macromolecules, 15(5), 1262-1264 (1982)
Yu Duan et al.
Molecular medicine reports, 16(6), 9735-9740 (2017-10-19)
The aim of the present study was to report on a complete synthetic approach, namely benzylation-hydrolysis-acylation‑hydrogenation, to the synthesis of regioselectively acylated quercetin analogues using low‑cost rutin as a starting material. Three quercetin analogues, quercetin‑3‑O‑propionate (Q‑pr), quercetin‑3‑O‑butyrate (Q‑bu) and quercetin‑3‑O‑valerate
Douglas T Durig et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 60(7), 1481-1504 (2004-05-19)
Variable temperature (-60 to -100 degrees C) studies of the infrared spectra (3500-400 cm(-1)) of propionyl fluoride (CH3CH2CFO) and 2-methylpropionyl fluoride ((CH3)2CHCFO), dissolved in liquid xenon have been recorded. From these data, the enthalpy difference has been determined to be
Joanna Kurczewska et al.
International journal of pharmaceutics, 486(1-2), 226-231 (2015-04-07)
Vancomycin was immobilized on three different organically functionalized silicas. The materials obtained were used for a controlled release of the antibiotic. The influence of the type of chemical bond on the in vitro drug release was investigated. A weak ionic
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Domande

1–3 di 3 domande  

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

    1 risposta

    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

      Utile?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta

    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

      Utile?

  3. How to do assy by titration with naoh solution

    1 risposta

    1. This product is tested by silver nitrate titration. The method is considered proprietary, the link below describes the general principle and offers a basic protocol:
      https://www.canterbury.ac.nz/media/documents/science-outreach/chloride_volhard.pdf
      Please refer to the literature for sodium hydroxide methods. The reference below may be helpful.
      https://www.sciencedirect.com/science/article/abs/pii/B9780124115187000056

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