Potassium Thiosulfate CAS 10294-66-3

Potassium thiosulfateis used as sulfur fertilizer and potash fertilizer in crop cultivation and production, effective nitrification inhibitor of soil, and can also be used as photographic fixing agent, metal cleaner, silver plating electroplating solution, dechlorinating agent after bleaching of cotton fabrics and dyeing auxiliary, and can also be used as an organic synthesis and analytical reagent.

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Model:
10294-66-3
Brand:
Futurechemical
Code:
10294-66-3

Product Description

Potassium thiosulfate Basic information
Product Name:	Potassium thiosulfate
CAS:	10294-66-3
MF:	H3KO3S2
MW:	154.24
EINECS:	233-666-8
Mol File:	10294-66-3.mol
Potassium thiosulfate Chemical Properties
density	1.484 g/mL at 25 °C
solubility	insoluble in ethanol
form	colorless hygroscopic crystals
color	colorless hygroscopic crystals, crystalline
Water Solubility	g/100g H2O: 96.1 (0°C), 165.0 (25°C), 312.0 (90°C); solid phase, K2S2O3 · 2H2O (0°C), 3K2S2O3 ·5H2O (25°C), K2S2O3(90°C) [KRU93]; insoluble alcohol [MER06]
Merck	137,777
Stability:	Stable. Incompatible with strong acids, strong oxidizing agents.
CAS DataBase Reference	10294-66-3(CAS DataBase Reference)
EPA Substance Registry System	Thiosulfuric acid (H2S2O3), dipotassium salt (10294-66-3)

Potassium Thiosulfate CAS 10294-66-3 H3KO3S2 Photographic fixer Electroplating industry Water treatment agent

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.