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Mercury (II) Silver Iodide, also known as a thermal sensor, is a yellow powder that undergoes a color change at specific temperatures. It is a chemical compound with the formula Hg2AgI4, consisting of mercury, silver, and iodine. This unique property allows it to be used in various applications, particularly in detecting overheating in journal bearings and other systems.

7784-03-4

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7784-03-4 Usage

Uses

Used in Thermal Sensing Applications:
Mercury (II) Silver Iodide is used as a thermal sensor for detecting overheating in journal bearings and other systems. It changes color from yellow to blood-red at temperatures between 40-50°C, and reverts back to yellow upon cooling. This color change provides a visual indication of temperature fluctuations, making it an effective tool for monitoring and preventing equipment failure due to excessive heat.
Used in Chemical Industry:
In the chemical industry, Mercury (II) Silver Iodide is used as a reagent in various chemical reactions. Its solubility in solutions of potassium cyanide or potassium iodide makes it a useful component in the synthesis of other compounds. However, it is important to note that it is insoluble in dilute acids and water, which may limit its use in certain applications.
Overall, Mercury (II) Silver Iodide is a versatile compound with applications in thermal sensing and the chemical industry, primarily due to its unique color change property and solubility characteristics.

Check Digit Verification of cas no

The CAS Registry Mumber 7784-03-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,8 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7784-03:
(6*7)+(5*7)+(4*8)+(3*4)+(2*0)+(1*3)=124
124 % 10 = 4
So 7784-03-4 is a valid CAS Registry Number.
InChI:InChI=1/Ag.Hg.3HI/h;;3*1H/q+1;+2;;;/p-3

7784-03-4 Well-known Company Product Price

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  • Alfa Aesar

  • (39306)  Mercury(II) silver iodide   

  • 7784-03-4

  • 5g

  • 247.0CNY

  • Detail

  • Alfa Aesar

  • (39306)  Mercury(II) silver iodide   

  • 7784-03-4

  • 25g

  • 843.0CNY

  • Detail

  • Alfa Aesar

  • (39306)  Mercury(II) silver iodide   

  • 7784-03-4

  • 100g

  • 3038.0CNY

  • Detail

7784-03-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name Mercury(II) silver iodide

1.2 Other means of identification

Product number -
Other names silver tetraiodomercurate(II)

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7784-03-4 SDS

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