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13438

Sigma-Aldrich

Sodium bisulfite solution

purum, ~40%

Synonym(s):

Sodium hydrogen sulfite

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$113.00
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$152.00
25 L
$627.00

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1 L
$113.00
2.5 L
$152.00
25 L
$627.00

About This Item

Linear Formula:
NaHSO3
CAS Number:
7631-90-5
Molecular Weight:
104.06
MDL number:
MFCD00003530
UNSPSC Code:
12352302
PubChem Substance ID:
329750172
NACRES:
NA.21
form:
liquid

$113.00

Please contact Customer Service for Availability
Request a Bulk Order

grade

purum

form

liquid

concentration

~40%

SMILES string

[Na+].OS([O-])=O

InChI

1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-1

InChI key

DWAQJAXMDSEUJJ-UHFFFAOYSA-M

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General description

Quantitative reaction of sodium bisulphite with uracil and cytosine at pH 6 has been investigated.[1]
Sodium bisulfite solution can be used in isolating carbonyl compounds like aldehydes, via derivatization, followed by solvent extraction.[2]

Application

Sodium bisulfite solution may be used for the production of SO3- radicals, by reaction with OH in irradiated aqueous solutions containing N2O. Chemistry of these radicals has been investigated by pulse radiolysis with kinetic spectrophotometry.[3]

Other Notes

The article number 13438-4X2.5L-R will be discontinued. Please order the single bottle 13438-2.5L-R which is physically identical with the same exact specifications.
The article number 13438-6X1L-R will be discontinued. Please order the single bottle 13438-1L-R which is physically identical with the same exact specifications.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB2701
STBL2808
STBL2420
STBL2437
STBJ8379

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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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