Sodium selenite - 44-46%,anhydrous , CAS No.10102-18-8

CAS: 10102-18-8 Cat. No.: S485438 Formula: Na2SeO3 Peso molecolare: 172.94 Numero EC: 233-267-9
Disponibile su ordine
GRADE & PURITY 44-46%,anhydrous
Synonyms
Disodium selenite | disodium;selenite | Disodium selenium trioxide | Selenite sodium | Selenious acid, disodium salt | Natriumselenit | Selenious Acid Disodium Salt | Sodium selenite anhydrous | SODIUM SELENITE | Pleo selene
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads,FedEx DG Service
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Size
Germania (EU)
USA*
Price
Qty
25g
S485438-25g
—
7 Disponibile
25,95€
100g
S485438-100g
—
6 Disponibile
69,33€
500g
S485438-500g
—
4 Disponibile
260,23€
Enter a quantity for the sizes you want to add.
🧪
Why this grade

44-46%,anhydrous for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads,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 136 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Panoramica

Description

Sodium selenite is a common source of selenium in the synthesis of zinc selenide (ZnSe). It is used as a key precursor in the synthesis of bismuth selenide nanocomposites, nickel cobalt selenides, selenium nanobelts andt-selenium nanotubes.Sodium selenite can be used:In dehydrogenation of benzoins to benzils and, flavanones to flavones under thermal and microwave conditions.As a catalyst along with cysteine or glutathione in the reductive debromination ofvic-dibromides to alkenes.To prepare bis(methylmercuric) selenide (BMS) by reacting with methylmercuric chloride and reduced glutathione or cysteine.

Specifications

Sinonimi
Disodium selenite | disodium;selenite | Disodium selenium trioxide | Selenite sodium | Selenious acid, disodium salt | Natriumselenit | Selenious Acid Disodium Salt | Sodium selenite anhydrous | SODIUM SELENITE | Pleo selene
Specifiche e purezza
44-46%,anhydrous
Condizioni di conservazione di stoccaggio
Store at -20°C,Argon charged
Spedito in
Ice chest + Ice pads,FedEx DG Service
Questo prodotto richiede spedizione a catena fredda. I servizi di terra e altri servizi economici non sono disponibili.
Nomi e identificatori
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488182935
Sorrisi canonici
[Na+].[Na+].[O-][Se]([O-])=O
IUPAC Name
disodium;selenite
InChIKey
BVTBRVFYZUCAKH-UHFFFAOYSA-L
INCHI
1S/2Na.H2O3Se/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
Isomeri SMILES
[O-][Se](=O)[O-].[Na+].[Na+]
WGK Germania
2
Numero UN
2630
Gruppo di imballaggio
I
Peso molecolare
172.94

Documentazione

📋 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
ClasseAlkali metal oxoanionic compounds
SubclassAlkali metal selenites
Intermediate Tree Nodes Not available
Direct ParentAlkali metal selenites
Alternative Parents Inorganic sodium salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal selenite - Inorganic sodium salt - Inorganic oxide - Inorganic salt
DescrizioneThis compound belongs to the class of inorganic compounds known as alkali metal selenites. These are inorganic compounds in which the largest oxoanion is selenite, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors selenite salt
Struttura 3D
Modello di struttura chimica interattiva





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Meccanismi d'azione
Certificati (CoA, COO, BSE/TSE e tabella di analisi)
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.

55 results found

Lot NumberCertificate TypeDataOggetto
A2410355Certificate of AnalysisSep 22, 2026 S485438
A2410357Certificate of AnalysisSep 22, 2026 S485438
A2410359Certificate of AnalysisSep 22, 2026 S485438
H2624546Certificate of AnalysisAug 19, 2026 S485438
H2624547Certificate of AnalysisAug 19, 2026 S485438
H2624548Certificate of AnalysisAug 19, 2026 S485438
H2624549Certificate of AnalysisAug 19, 2026 S485438
F2608555Certificate of AnalysisMay 27, 2026 S485438
F2608558Certificate of AnalysisMay 27, 2026 S485438
F2608561Certificate of AnalysisMay 27, 2026 S485438
A2616667Certificate of AnalysisJan 06, 2026 S485438
A2616654Certificate of AnalysisJan 06, 2026 S485438
A2616653Certificate of AnalysisJan 06, 2026 S485438
I2510613Certificate of AnalysisJun 25, 2025 S485438
I2510612Certificate of AnalysisJun 25, 2025 S485438
I2510614Certificate of AnalysisJun 25, 2025 S485438
G2528356Certificate of AnalysisJun 25, 2025 S485438
G2528355Certificate of AnalysisJun 25, 2025 S485438
G2528354Certificate of AnalysisJun 25, 2025 S485438
L2405519Certificate of AnalysisNov 25, 2024 S485438
L2405521Certificate of AnalysisNov 25, 2024 S485438
L2405537Certificate of AnalysisNov 25, 2024 S485438
G2404257Certificate of AnalysisJun 27, 2024 S485438
G2404258Certificate of AnalysisJun 27, 2024 S485438
G2404259Certificate of AnalysisJun 27, 2024 S485438
G2404261Certificate of AnalysisJun 27, 2024 S485438
E2430427Certificate of AnalysisMay 17, 2024 S485438
E2430426Certificate of AnalysisMay 17, 2024 S485438
E2430425Certificate of AnalysisMay 17, 2024 S485438
C2426340Certificate of AnalysisMar 08, 2024 S485438
C2426352Certificate of AnalysisMar 08, 2024 S485438
C2426353Certificate of AnalysisMar 08, 2024 S485438
A2410356Certificate of AnalysisDec 21, 2023 S485438
A2410358Certificate of AnalysisDec 21, 2023 S485438
A2410360Certificate of AnalysisDec 21, 2023 S485438
I2326015Certificate of AnalysisSep 14, 2023 S485438
I2326020Certificate of AnalysisSep 14, 2023 S485438
I2326021Certificate of AnalysisSep 14, 2023 S485438
K2328190Certificate of AnalysisSep 07, 2023 S485438
K2328189Certificate of AnalysisSep 07, 2023 S485438
J2323654Certificate of AnalysisSep 07, 2023 S485438
J2323627Certificate of AnalysisSep 07, 2023 S485438
J2323626Certificate of AnalysisSep 07, 2023 S485438
H2329107Certificate of AnalysisJun 06, 2023 S485438
F2329108Certificate of AnalysisJun 06, 2023 S485438
F2329109Certificate of AnalysisJun 06, 2023 S485438
F2329110Certificate of AnalysisJun 06, 2023 S485438
F2329107Certificate of AnalysisJun 06, 2023 S485438
H2302238Certificate of AnalysisJun 06, 2023 S485438
C2328962Certificate of AnalysisMar 04, 2023 S485438
C2328965Certificate of AnalysisMar 04, 2023 S485438
C2328966Certificate of AnalysisMar 04, 2023 S485438
C2328967Certificate of AnalysisMar 04, 2023 S485438
C2328973Certificate of AnalysisMar 04, 2023 S485438
D2319414Certificate of AnalysisMar 04, 2023 S485438
Proprietà chimiche e fisiche
SolubilitàFreely soluble in water. Insoluble in alcoholSoluble in water. Insoluble in alcohol and ethanol.
SensibilitàMoisture sensitive
Punto di fusione (°C)>350°C
Peso molecolare172.950 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass173.881 Da
Monoisotopic Mass173.881 Da
Topological Polar Surface Area63.200 Ų
Heavy Atom Count6
Formal Charge0
Complexity18.800
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
Domande frequenti e articoli
Citations of This Product
Calcolatori di soluzioni
Recensioni

Recensioni dei clienti

Domande frequenti

How should this product be stored?
Store at ?20 °C under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 10102-18-8, the molecular formula is Na2SeO3, and the molecular weight is 172.94 g/mol. InChIKey BVTBRVFYZUCAKH-UHFFFAOYSA-L.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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