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Merck

28-2930

Sodium dithionite

CP

Synonym(s):

Sodium hydrosulfite, Sodium hypodisulfite

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About This Item

Linear Formula:
NaO2SSO2Na
CAS Number:
7775-14-6
Molecular Weight:
174.11
UNSPSC Code:
12352302
PubChem Substance ID:
329753122
EC Number:
231-890-0
MDL number:
MFCD00011640

Key Documents

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Product Name

Sodium dithionite, CP

InChI key

JVBXVOWTABLYPX-UHFFFAOYSA-L

InChI

1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2

SMILES string

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

grade

CP

form

powder

availability

available only in Japan

pH

7.0-9.0 (20 °C, 50 g/L)

mp

>300 °C (dec.) (lit.)

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pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Self-heat. 1

supp_hazards

EUH031

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
U1282
U7042
U1788
U2994

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Todd D Gruber et al.
Journal of molecular biology, 391(2), 327-340 (2009-06-09)
Galactofuranose (Galf) residues are present in cell wall glycoconjugates of numerous pathogenic microbes. Uridine 5'-diphosphate (UDP) Galf, the biosynthetic precursor of Galf-containing glycoconjugates, is produced from UDP-galactopyranose (UDP-Galp) by the flavoenzyme UDP-galactopyranose mutase (UGM). The gene encoding UGM (glf) is
Bin Liu et al.
Biochemistry, 48(5), 820-826 (2009-01-15)
Three paths for obtaining crystals of reduced (II-E4Q/I-K258R) cytochrome ba(3) are described, and the structures of these are reported at approximately 2.8-3.0 A resolution. Microspectrophotometry of single crystals of Thermus ba(3) oxidase at 100 K was used to show that
Elżbieta Mieczkowska et al.
Analytical and bioanalytical chemistry, 399(9), 3293-3297 (2010-11-04)
Two ordinary green light-emitting diodes used as light emitter and detector coupled with simple voltmeter form a complete, cost-effective prototype of a photometric hemoglobinometer. The device has been optimized for cuvette assays of total hemoglobin (Hb) in diluted blood using
Modupeola A Sowole et al.
Analytical chemistry, 86(13), 6715-6722 (2014-06-07)
Hydrogen/deuterium exchange (HDX) methods are widely used for monitoring protein-ligand interactions. This approach relies on the fact that ligand binding can modulate the extent of protein structural fluctuations that transiently disrupt hydrogen bonds and expose backbone amides to the solvent.
Eric M Jones et al.
Journal of the American Chemical Society, 136(29), 10325-10339 (2014-07-06)
The use of hybrid hemoglobin (Hb), with mesoheme substituted for protoheme, allows separate monitoring of the α or β hemes along the allosteric pathway. Using resonance Raman (rR) spectroscopy in silica gel, which greatly slows protein motions, we have observed
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