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Principaux documents

295698

Sigma-Aldrich

Sulfur dioxide

≥99.9%

Synonyme(s) :

Sulfurous anhydride, Sulfurous oxide, Sulphur dioxide

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About This Item

Formule linéaire :
SO2
Numéro CAS:
Poids moléculaire :
64.06
Beilstein:
3535237
Numéro CE :
Numéro MDL:
Code UNSPSC :
12142100
ID de substance PubChem :
Nomenclature NACRES :
NA.22
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Densité de vapeur

2.26 (21 °C, vs air)

Pression de vapeur

1779 mmHg ( 21 °C)

Essai

≥99.9%

pb

−10 °C (lit.)

Pf

−73 °C (lit.)

Densité

1.25 g/mL at 25 °C (lit.)

Chaîne SMILES 

O=S=O

InChI

1S/O2S/c1-3-2

Clé InChI

RAHZWNYVWXNFOC-UHFFFAOYSA-N

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Application

Sulfur dioxide is primarily used as a feedstock for the production of sulfuric acid (contact process).[1] It is generally used in the synthesis of a variety of sulfur-containing organic compounds like alkyl/aryl sulfonyl chlorides, sulfinates, sultines, and polysulfone.[1][2]

Conditionnement

Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.

Compatible with the following:
  • Aldrich® lecture-bottle station systems
  • Aldrich® lecture-bottle gas regulators

Autres remarques

Informations légales

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Produit(s) apparenté(s)

Réf. du produit
Description
Tarif

Raccord cannelé

Réf. du produit
Description
Tarif

Souvent commandé avec ce produit

Vanne de purge

Réf. du produit
Description
Tarif

Pictogrammes

Gas cylinderSkull and crossbonesCorrosion

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Acute Tox. 3 Inhalation - Eye Dam. 1 - Press. Gas Liquefied gas - Skin Corr. 1B

Code de la classe de stockage

2A - Gases

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Faceshields, Gloves, Goggles, multi-purpose combination respirator cartridge (US)


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Certificats d'analyse (COA)

Lot/Batch Number

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

Consulter la Bibliothèque de documents

Sulfur dioxide.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
Sulfur dioxide
Understanding Wine Chemistry, 4(7), 140-148 (2016)
The development and application of sulfur dioxide surrogates in synthetic organic chemistry.
Emmett EJ and Willis MC
Asian Journal of Organic Chemistry, 4(7), 602-611 (2015)
Yuan-Qiang Sun et al.
Chemical communications (Cambridge, England), 49(26), 2637-2639 (2013-02-26)
A coumarin-hemicyanine dye was reported for ratiometric fluorescent detection of SO2 derivatives HSO3(-) and SO3(2-) based on a novel addition-rearrangement cascade reaction.
Xin-Bao Wang et al.
European journal of pharmacology, 670(1), 1-6 (2011-09-20)
Sulfur dioxide is considered a toxic gas in air pollution and detrimental to many organs, however, it can be generated endogenously in the cardiovascular system in vivo. Gaseous sulfur dioxide has an endothelium-dependent vasorelaxing effect at low concentrations, but is

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

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  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

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