Ammonium thiosulfate

98%

Reagent Code: #73700
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Alias Ammonium Thiosulfate; Ammonium Hypo
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CAS Number 7783-18-8

science Other reagents with same CAS 7783-18-8

blur_circular Chemical Specifications

scatter_plot Molecular Information
Weight 148.21 g/mol
Formula NH₄₂S₂O₃
badge Registry Numbers
EC Number 231-982-0
MDL Number MFCD00015965
thermostat Physical Properties
Melting Point 180°C (dec.)
inventory_2 Storage & Handling
Density 1.679 g/mL at 25 °C(lit.)
Storage room temperature

description Product Description

Ammonium thiosulfate is widely used in photography as a fixing agent to dissolve unexposed silver halides from photographic films and papers, ensuring image stability. In agriculture, it serves as a liquid fertilizer, providing a readily available source of sulfur and nitrogen to crops, enhancing growth and yield. It is also employed in mining for gold and silver extraction, where it acts as a non-toxic alternative to cyanide in leaching processes. Additionally, it finds use in water treatment to remove chlorine and in the textile industry as a bleaching agent for fabrics. Its versatility makes it valuable across multiple industries.

format_list_bulleted Product Specification

Test Parameter Specification
Appearance White crystals (monoclinic crystal system)
Ammonium sulfate (NH4)2SO3 content 99-100%
Clarity Test Qualified
Water insoluble matter 0-0.01%
Ignition residue (as sulfate) 0-0.05%
Chloride 0-0.001%
Nitrate 0-0.005%
Phosphate 0-0.002%
Arsenic (As) 0-0.0002%
Iron 0-0.005%
Heavy metals (as Pb) 0-0.002%
pH (50 g/L, 25°C) 8.5-9.5

shopping_cart Available Sizes & Pricing

Size Availability Unit Price Quantity
inventory 100g
10-20 days ฿950.00
inventory 500g
10-20 days ฿2,980.00
inventory 2.5kg
10-20 days ฿11,060.00
inventory 10kg
10-20 days ฿41,290.00

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Ammonium thiosulfate
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Ammonium thiosulfate is widely used in photography as a fixing agent to dissolve unexposed silver halides from photographic films and papers, ensuring image stability. In agriculture, it serves as a liquid fertilizer, providing a readily available source of sulfur and nitrogen to crops, enhancing growth and yield. It is also employed in mining for gold and silver extraction, where it acts as a non-toxic alternative to cyanide in leaching processes. Additionally, it finds use in water treatment to remove chlorine and in the textile industry as a bleaching agent for fabrics. Its versatility makes it valuable across multiple industries.

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