Skip to Content
Merck
All Photos(1)

Documents

Safety Information

28-1970

Sigma-Aldrich

Sodium bisulfite

JIS special grade, 64.0-67.4% SO2 basis

Synonym(s):

Sodium hydrogensulfite

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
NaHSO3
CAS Number:
7631-90-5
Molecular Weight:
104.06
EC Number:
231-548-0
UNSPSC Code:
12352302

grade

JIS special grade

form

solid

availability

available only in Japan

concentration

64.0-67.4% SO2

pH

4.3 (10 g/L)

SMILES string

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

InChI

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

InChI key

DWAQJAXMDSEUJJ-UHFFFAOYSA-L

Looking for similar products? Visit Product Comparison Guide

Related Categories

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Supplementary Hazards

EUH031

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

28-1970-BULK-J:
28-1970-5-500G-J:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Shuang-Qing Zhang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 880(1), 163-167 (2011-12-02)
A liquid chromatography-tandem mass spectrometry method for the determination of andrographolide sodium bisulphite (ASB) in rat urine was established and validated. To our knowledge, the analytical method is the first developed assay for the determination of ASB in urine samples.
Sarah H Taylor et al.
BioTechniques, 52(4), 254-262 (2012-04-10)
RNA silencing has been exploited to produce transgenic plants with resistance to viral pathogens via posttranscriptional gene silencing (PTGS). In some cases, this technology is difficult to apply due to the instability of inverted repeat (IR) constructs during cloning and
Kequan Deng et al.
Molecules (Basel, Switzerland), 17(3), 2968-2979 (2012-03-13)
Defatted soybean flour was treated with hexane and ethanol to reduce lipid content and heated to inactivate lipoxygenase (LOX, linoleate:oxygen reductase; EC 1.13.11.12) to obtain lipid-reduced soybean flour (LRSF). The effects of processing conditions such as pH, reducing agent and
Katharina Domschke et al.
The international journal of neuropsychopharmacology, 15(9), 1217-1228 (2012-03-23)
The monoamine oxidase A (MAOA) gene has been suggested as a prime candidate in the pathogenesis of panic disorder. In the present study, DNA methylation patterns in the MAOA regulatory and exon 1/intron 1 region were investigated for association with
Miyako Yoshida et al.
Chemical & pharmaceutical bulletin, 61(1), 1-7 (2012-11-06)
The purpose of this study was to predict the stability of imipenem in a mixed infusion. The hydrolysis of imipenem in aqueous solution was found to be accelerated by pH, and by increasing concentrations of sodium bisulfite (SBS) and L-cysteine.
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service