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1424109

USP

Méthanol

United States Pharmacopeia (USP) Reference Standard

Synonyme(s) :

Alcool méthylique

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About This Item

Formule linéaire :
CH3OH
Numéro CAS:
67-56-1
Poids moléculaire :
32.04
Beilstein:
1098229
Numéro MDL:
MFCD00004595
Code UNSPSC :
41116107
ID de substance PubChem :
329750425
Nomenclature NACRES :
NA.24
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Qualité

pharmaceutical primary standard

Densité de vapeur

1.11 (vs air)

Pression de vapeur

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

Température d'inflammation spontanée

725 °F

Limite d'explosivité

36 %

Fabricant/nom de marque

USP

Indice de réfraction

n20/D 1.329 (lit.)

pb

64.7 °C (lit.)

Pf

−98 °C (lit.)

Densité

0.791 g/mL at 25 °C (lit.)

Application(s)

pharmaceutical (small molecule)

Format

neat

Chaîne SMILES 

CO

InChI

1S/CH4O/c1-2/h2H,1H3

Clé InChI

OKKJLVBELUTLKV-UHFFFAOYSA-N

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Catégories apparentées

Description générale

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Methyl alcohol USP reference standard for use in specified quality tests and assays.

Also used to prepare standard, standard stock, and system suitability solutions for the assay, and impurity analysis according to the given below monographs of United States Pharmacopeia (USP):
  • Methyl alcohol[1]
  • Polyvinyl Alcohol[2]
  • Acetone[3]

Remarque sur l'analyse

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Autres remarques

Sales restrictions may apply.

Produit(s) apparenté(s)

Réf. du produit
Description
Tarif

Pictogrammes

FlameSkull and crossbonesHealth hazard
GHS02,GHS06,GHS08

Mention d'avertissement

Danger

Classification des risques

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Organes cibles

Eyes,Central nervous system

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

49.5 °F - closed cup

Point d'éclair (°C)

9.7 °C - closed cup

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Certificats d'analyse (COA)

Lot/Batch Number

Désolés, nous n'avons pas de COA pour ce produit disponible en ligne pour le moment.

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Supelco

1.06009

Méthanol

Hany K M Dweck et al.
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Questions

1–2 of 2 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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