Potassium sulfide - ≥40%,small lumps for analysis , Premium-Grade Reagents , CAS No.39365-88-3

CAS: 39365-88-3 Cat. No.: P485679 Formula: (l · K2S)(m · K2Sx)(n · K2S2O3) EC Number: 677-755-3
AVAILABLE TO ORDER
GRADE & PURITY ≥40% small lumps for analysis , Premium-Grade Reagents
Synonyms
Potash, sulfurated | Potash, sulfurated, S 11.8% as sulfide | Thiosulfuric acid (H2S2O3), dipotassium salt, mixt. with potassium sulfide (K2(Sx)) | Thiosulfuric acid, dipotassium salt, mixt. with potassium sulfide (K2Sx) | Sulfurated potash | MFCD00064604
Storage
Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
250g
P485679-250g
Made to order · 8–12 wks
€69.33
50g
P485679-50g
Made to order · 8–12 wks
€19.87
Enter a quantity for the sizes you want to add.
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Why this grade

≥40%,small lumps for analysis , Premium-Grade Reagents for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature 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.

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Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Potash, sulfurated | Potash, sulfurated, S 11.8% as sulfide | Thiosulfuric acid (H2S2O3), dipotassium salt, mixt. with potassium sulfide (K2(Sx)) | Thiosulfuric acid, dipotassium salt, mixt. with potassium sulfide (K2Sx) | Sulfurated potash | MFCD00064604
Specifications & Purity
≥40%,small lumps for analysis , Premium-Grade Reagents
Storage
Room temperature
Shipped In
Normal
Purity
≥40%
Names and Identifiers
PH13 (20 °C, 10 g/L in H2O)
Canonical Smiles[O-]S(=O)(=S)[O-].[SH-].[K+].[K+].[K+].[K+]
IUPAC Nametetrapotassium;dioxido-oxo-sulfanylidene-λ6-sulfane;sulfanide
InChIKeyLBOBJZFANBWPPF-UHFFFAOYSA-K
INCHI1S/4K.H2O3S2.H2S/c;;;;1-5(2,3)4;/h;;;;(H2,1,2,3,4);1H2/q4*+1;;/p-3
Isomeric SMILES [O-]S(=O)(=S)[O-].[SH-].[K+].[K+].[K+].[K+]
UN Number 3262
Packing Group II

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

3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

4 results found

Lot NumberCertificate TypeDateItem
G2631138Certificate of AnalysisNov 03, 2025 P485679
K2512529Certificate of AnalysisNov 03, 2025 P485679
K2512530Certificate of AnalysisNov 03, 2025 P485679
K2512531Certificate of AnalysisNov 03, 2025 P485679
Chemical and Physical Properties
Solubility500g/L
Melt Point(°C)200-250 °C
Citations of This Product
References
1. Yi Huang, Junben Huang, Yong Zhang.  (2022)  Wide band gap thiophosphates ASrPS4 (A = Li, Na, K, Rb, Cs): cation size effect induced successive structural transformation.  DALTON TRANSACTIONS,  51  (39): (15067-15073).  [PMID:36112090] [10.1039/D2DT02321K]
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥40% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 39365-88-3, the molecular formula is (l · K2S)(m · K2Sx)(n · K2S2O3). InChIKey LBOBJZFANBWPPF-UHFFFAOYSA-K.
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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