Sodium pyrosulfite - ≥95% , CAS No.7681-57-4

CAS: 7681-57-4 Cat. No.: S579149 分子式: Na2S2O5 分子量: 190.11 EC番号: 231-673-0
注文可能
GRADE & PURITY ≥95%
Synonyms
Sodium metabisulfite|7681-57-4|Sodium pyrosulfite|Sodium disulfite|Disodium pyrosulfite|Sodium metabisulphite|Disulfurous acid, disodium salt|Disodium disulphite|Natrii disulfis|Campden Tablets|Disodium metabisulfite|Disodium disulfite|Natrium pyrosulfit|
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
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Size
USA
ドイツ (EU)*
Price
Qty
500g
S579149-500g
2 在庫あり
—

$15.90

$20.90
保存 $5.00 (23.92%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships FedEx DG Service 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 42 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

同義語
Sodium metabisulfite | 7681-57-4 | Sodium pyrosulfite | Sodium disulfite | Disodium pyrosulfite | Sodium metabisulphite | Disulfurous acid, disodium salt | Disodium disulphite | Natrii disulfis | Campden Tablets | Disodium metabisulfite | Disodium disulfite | Natrium pyrosulfit |
仕様と純度
≥95%
保管条件
Room temperature,Argon charged
入荷
FedEx DG Service
純度
≥95%
名前と識別子
パブケム・シド
パブケム・シド・ウル
https://pubchem.ncbi.nlm.nih.gov/substance/504759786
カノニカル・スマイル
[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
InChIKey
HRZFUMHJMZEROT-UHFFFAOYSA-L
INCHI
1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
異性体SMILES
[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
WGKドイツ
1
RTECS
UX8225000
UN番号
3335
包装グループ
III
分子量
190.11

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
分類Alkali metal oxoanionic compounds
SubclassAlkali metal dithionites
Intermediate Tree Nodes Not available
Direct ParentAlkali metal dithionites
Alternative Parents Inorganic sodium salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal dithionite - Inorganic sodium salt - Inorganic oxide - Inorganic salt
説明This 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
3 D構造
インタラクティブ化学構造モデル





作用メカニズム
証明書(CoA、COO、BSE/TSEと分析図)
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.

21 results found

Lot NumberCertificate Type日付商品
D2517040Certificate of AnalysisApr 29, 2025 S579149
D2517043Certificate of AnalysisApr 29, 2025 S579149
D2517041Certificate of AnalysisApr 28, 2025 S579149
D2517042Certificate of AnalysisApr 25, 2025 S579149
C2408583Certificate of AnalysisMar 18, 2024 S579149
C2408585Certificate of AnalysisMar 18, 2024 S579149
C2408586Certificate of AnalysisMar 18, 2024 S579149
C2408584Certificate of AnalysisJul 10, 2023 S579149
F2301698Certificate of AnalysisJun 26, 2023 S579149
F2306608Certificate of AnalysisJun 26, 2023 S579149
F2306799Certificate of AnalysisJun 26, 2023 S579149
F2306800Certificate of AnalysisJun 26, 2023 S579149
D2314382Certificate of AnalysisApr 22, 2023 S579149
D2314380Certificate of AnalysisApr 22, 2023 S579149
D2314374Certificate of AnalysisApr 22, 2023 S579149
D2608079Certificate of AnalysisApr 22, 2023 S579149
E2526138Certificate of AnalysisApr 22, 2023 S579149
F2615083Certificate of AnalysisApr 22, 2023 S579149
D2314383Certificate of AnalysisApr 19, 2023 S579149
D2314381Certificate of AnalysisApr 19, 2023 S579149
F2512072Certificate of AnalysisApr 19, 2023 S579149
化学的性質と物理的性質
溶解度Freely soluble in water, glycerol. Slightly soluble in alcohol
感度Sensitive to humidity and air
沸点(°C)150°C
融点(°C)>300 °C
分子量190.110 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count0
Exact Mass189.898 Da
Monoisotopic Mass189.898 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
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Citations of This Product
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