Accéder au contenu
Merck
Toutes les photos(1)

Principaux documents

Voir toute la documentation

117552

Sigma-Aldrich

o-Tolualdehyde

97%

Synonyme(s) :

2-Methylbenzaldehyde

Se connecterpour consulter vos tarifs contractuels et ceux de votre entreprise/organisme
Toutes les photos(1)

About This Item

Formule linéaire :
CH3C6H4CHO
Numéro CAS:
529-20-4
Poids moléculaire :
120.15
Beilstein:
605841
Numéro CE :
208-452-2
Numéro MDL:
MFCD00003338
Code UNSPSC :
12352100
ID de substance PubChem :
24847335
Nomenclature NACRES :
NA.22
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Niveau de qualité

100

Essai

97%

Contient

0.1% Hydroquinone as stabilizer

Indice de réfraction

n20/D 1.546 (lit.)

pb

199-200 °C (lit.)

Densité

1.039 g/mL at 20 °C
1.039 g/mL at 25 °C (lit.)

Groupe fonctionnel

aldehyde

Chaîne SMILES 

[H]C(=O)c1ccccc1C

InChI

1S/C8H8O/c1-7-4-2-3-5-8(7)6-9/h2-6H,1H3

Clé InChI

BTFQKIATRPGRBS-UHFFFAOYSA-N

Vous recherchez des produits similaires ? Visite Guide de comparaison des produits

Catégories apparentées

Description générale

o-tolualdehyde undergoes atmospheric degradation by direct photolysis by sunlight[1].

Application

o-tolualdehyde was used in determination of alkenal-2,4-dinitrophenylhydrazones by HPLC by addition of phosphoric acid[2].

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Classification des risques

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

170.6 °F

Point d'éclair (°C)

77 °C

Équipement de protection individuelle

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

Faites votre choix parmi les versions les plus récentes :

Certificats d'analyse (COA)

Lot/Batch Number
STBK8960
STBG9322
STBG4656V
STBF0357V
STBC8208V

Vous ne trouvez pas la bonne version ?

Si vous avez besoin d'une version particulière, vous pouvez rechercher un certificat spécifique par le numéro de lot.

Rechercher un(e) COA

Déjà en possession de ce produit ?

Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Les clients ont également consulté

Slide 1 of 2

1 of 2

m-Anisaldehyde 97%

Sigma-Aldrich

129658

m-Anisaldehyde

Phthalide 98%

Sigma-Aldrich

P39605

Phthalide

Measurement of acid-catalyzed isomerization of unsaturated aldehyde-2, 4-dinitrophenylhydrazone derivatives by high-performance liquid chromatography analysis.
Uchiyama S, et al.
Analytica Chimica Acta, 523(2), 157-163 (2004)
Qing-Xi Chen et al.
Journal of enzyme inhibition and medicinal chemistry, 18(6), 491-496 (2004-03-11)
The inhibition kinetics on the diphenolase activity of mushroom tyrosinase by some alkylbenzaldehydes has been investigated. The results show that the alkylbenzaldehydes assayed can lead to reversible inhibition to the enzyme; o-tolualdehyde and m-tolualdehyde are mixed-type inhibitors and p-alkylbenzaldehydes are
C J Cros et al.
Indoor air, 22(1), 43-53 (2011-07-23)
The health effects associated with exposure to ozone range from respiratory irritation to increased mortality. In this paper, we explore the use of three green building materials and an activated carbon (AC) mat that remove ozone from indoor air. We
Grainne M Clifford et al.
Environmental science & technology, 45(22), 9649-9657 (2011-10-20)
The photolysis of o-tolualdehyde by natural sunlight has been investigated at the large outdoor European Photoreactor (EUPHORE) in Valencia, Spain. The photolysis rate coefficient was measured directly under different solar flux levels, with values in the range j(o-tolualdehyde) = (1.62-2.15)
K Watanabe et al.
Drug metabolism and disposition: the biological fate of chemicals, 23(2), 261-265 (1995-02-01)
Mouse hepatic microsomal enzymes catalyzed the oxidation of o-, m-, and p-tolualdehydes, intermediate metabolites of xylene, to the corresponding toluic acids. Cofactor requirement for the catalytic activity indicates that the microsomes contain NAD- and NADPH-dependent enzymes for this reaction. GC/MS

Questions

1–2 sur 2 questions  

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

    1 réponse

    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 réponse

    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 ?

Évaluations

Aucune valeur de notation

Filtres actifs

Notre équipe de scientifiques dispose d'une expérience dans tous les secteurs de la recherche, notamment en sciences de la vie, science des matériaux, synthèse chimique, chromatographie, analyse et dans de nombreux autres domaines..

Contacter notre Service technique