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144088

Sigma-Aldrich

4-Hydroxybenzaldehyd

98%

Synonym(e):

4-Formylphenol, 4-Hydroxybenzaldehyde, Parahydroxybenzaldehyde, p-Formylphenol, p-Hydroxybenzaldehyde, p-Oxybenzaldehyde

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CHF 32.90
250 G
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About This Item

Lineare Formel:
HOC6H4CHO
CAS-Nummer:
123-08-0
Molekulargewicht:
122.12
Beilstein:
471352
EG-Nummer:
204-599-1
MDL-Nummer:
MFCD00006939
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24848630
NACRES:
NA.22

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Qualitätsniveau

200

Assay

98%

Form

solid

mp (Schmelzpunkt)

112-116 °C (lit.)

Funktionelle Gruppe

aldehyde

SMILES String

[H]C(=O)c1ccc(O)cc1

InChI

1S/C7H6O2/c8-5-6-1-3-7(9)4-2-6/h1-5,9H

InChIKey

RGHHSNMVTDWUBI-UHFFFAOYSA-N

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Anwendung

4-Hydroxybenzaldehyde can be used as a reactant to synthesize:
  • Schiff Bases with optical properties through its reaction with anilines.[1]
  • Vanillin via bromination followed by copper-catalyzed coupling reaction with sodium methoxide.[2]
  • Oligo-4-hydroxybenzaldehyde by an oxidative polycondensation reaction with hydrogen peroxide (H2O2) in an alkaline medium.[3]

Piktogramme

CorrosionExclamation mark
GHS05,GHS07

Signalwort

Danger

H-Sätze

H318,H335

Gefahreneinstufungen

Eye Dam. 1 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 2

Flammpunkt (°F)

345.2 °F

Flammpunkt (°C)

174 °C

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
BCCM7165
BCCL9006
BCCL4457
BCCG3954
BCCD1328

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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

Vanillin synthesis from 4-hydroxybenzaldehyde
Taber Douglass F, et al.
Journal of Chemical Education, 84(7), 1158-1158 (2007)
The synthesis, characterization and thermal stability of oligo-4-hydroxybenzaldehyde
Mart H, et al.
Polymer Degradation and Stability, 83(3), 395-398 (2004)
Stereoselective synthesis of (-)-centrolobine
Lee Eun, et al.
Bulletin of the Korean Chemical Society,, 25(11), 1609-1610 (2004)
Nadja Schultz-Jensen et al.
Applied biochemistry and biotechnology, 165(3-4), 1010-1023 (2011-07-06)
The potential of wheat straw for ethanol production after pretreatment with O(3) generated in a plasma at atmospheric pressure and room temperature followed by fermentation was investigated. We found that cellulose and hemicellulose remained unaltered after ozonisation and a subsequent
Hypomethylating agents (HMAs) effect on myelodysplastic/myeloproliferative neoplasm unclassifiable (MDS/MPN-U): single institution experience.
Aref Al-Kali et al.
Leukemia & lymphoma, 1-3 (2018-02-22)
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Questions

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  1. 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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  2. 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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