Sodium Thiosulfate, ReagentPlus®, 99% - 2.5KG

SKU: 217263-2.5KG
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For laboratory, institutional, and professional use only. Not available for residential or personal purchase. Orders are subject to verification.

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Sodium thiosulfate is supplied as ReagentPlus® grade material with a minimum assay of 99%. This inorganic thiosulfate salt serves as a versatile reducing agent and sulfur source in synthetic and analytical chemistry.

It is widely used in organic synthesis, coordination chemistry, carbon material activation, and sulfur-transfer reactions. Sodium thiosulfate is also employed in the preparation of Bunte salts, aryl thiols, and glycosyl thiosulfates. Its stability and ease of handling make it suitable for research, academic, and industrial laboratory environments.

Chemical Name: Sodium thiosulfate
Linear Formula: Na₂S₂O₃
CAS Number: 7772-98-7
Molecular Weight: 158.11 g/mol
Assay: 99%
Grade: ReagentPlus®
Quality Level: 200
Form: Powder, crystals, or chunks
pH: 6.0–8.5 (20 °C, 50 g/L)
EC Number: 231-867-5
MDL Number: MFCD00003499
PubChem ID: 329752199
NACRES: NA.21
UNSPSC Code: 12352302

Specifications

Sodium Thiosulfate, ReagentPlus®, 99%

• Assay: 99%
• Product Line: ReagentPlus®
• Molecular Weight: 158.11 g/mol
• Form: Powder, crystals, or chunks
• pH (50 g/L, 20 °C): 6.0–8.5
• Quality Level: 200

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