Potassium disulfite - UltraBio™,≥97% , CAS No.16731-55-8

CAS: 16731-55-8 Cat. No.: P755621 Summenformel: K2S2O5 Molekulargewicht: 222.32 EG-Nummer: 240-795-3
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GRADE & PURITY UltraBio™ ? UltraBio™ — Aladdin's line for molecular-biology applications. Use for nuclease-free, high-consistency reagents across molecular workflows. ≥97%
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
Deutschland (EU)
USA*
Price
Qty
250g
P755621-250g
Auf Bestellung · 8–12 Wochen
58,92€
50g
P755621-50g
Auf Bestellung · 8–12 Wochen
13,80€
Enter a quantity for the sizes you want to add.
🧪
Why this grade

UltraBio™,≥97% UltraBio™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Übersicht

Potassium disulfite (Potassium metabisulfite) may be use to study is antioxidant effects and ability to preserve food. Potassium disulfite may be used as an inhibitor of yeasts, bacteria, and fungi growth. Potassium metabisulfite may be used to study its potential toxicities in vivo.

Specifications

Spezifikationen & Reinheit
UltraBio™,≥97%
Storage
Room temperature,Argon charged
Verschickt in
Normal
Note
UltraBio™
Reinheit
≥97%
Namen und Kennungen
PH
2.5-4.5 (25 °C, 0.1 M in H 2 O)
Kanonisches Lächeln
[O-]S(=O)S(=O)(=O)[O-].[K+].[K+]
InChIKey
RWPGFSMJFRPDDP-UHFFFAOYSA-L
INCHI
1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
Isomere SMILES
[O-]S(=O)S(=O)(=O)[O-].[K+].[K+]
UN-Nummer
1759
Verpackungsgruppe
I
Molekulargewicht
222.32
Reaxy-Rn
14412766
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14412766&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
KlasseAlkali metal oxoanionic compounds
SubclassAlkali metal dithionites
Intermediate Tree Nodes Not available
Direct ParentAlkali metal dithionites
Alternative Parents Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal dithionite - Inorganic oxide - Inorganic salt
BeschreibungThis compound belongs to the class of inorganic compounds known as alkali metal dithionites. These are inorganic compounds in which the largest oxoanion is dithionite, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors Not available
3D-Struktur
Interaktives chemisches Strukturmodell





Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDatumArtikel
A2608083Certificate of AnalysisJan 12, 2026 P755621
G2614088Certificate of AnalysisJan 12, 2026 P755621
Chemische und physikalische Eigenschaften
LöslichkeitH 2 O: 0.1 M at 20 °C, clear, colorless
EmpfindlichkeitAir sensitive
Schmelzpunkt (°C)190°C
Molekulargewicht222.330 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count0
Exact Mass221.846 Da
Monoisotopic Mass221.846 Da
Topological Polar Surface Area125.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity136.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
FAQs und Artikel
Citations of This Product
Lösungsrechner
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