MERCURY (II) SILVER IODIDE Chemical Properties

Melting point:

β: decomposes 158℃ [CRC10]

Density 

6.100

solubility 

insoluble in H2O, dilute acid solutions

form 

Powder

color 

Yellow

Water Solubility 

insoluble H2O, dilute acids; soluble in solutions of alkali iodides or cyanides [MER06]

Sensitive 

Light Sensitive

Exposure limits

ACGIH: TWA 0.025 mg/m3 (Skin)
NIOSH: IDLH 10 mg/m3; TWA 0.05 mg/m3; Ceiling 0.1 mg/m3

Safety Information

Risk Statements 

26/27/28-33-50/53

Safety Statements 

13-28-45

RIDADR 

2025

HazardClass 

6.1

PackingGroup 

II

MSDS

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MERCURY (II) SILVER IODIDE Usage And Synthesis

Chemical Properties

Yellow powder, becomes red at 40–50C. Soluble in solutions of potassium cyanide or potassium iodide; insoluble in dilute acids and water.

Uses

Thermal sensor to detect overheating in journal bearings, etc., becomes blood-red at 40-50° and yellow again on cooling.

Hazard

Highly toxic by ingestion, inhalation, and skin absorption.

MERCURY (II) SILVER IODIDE(7784-03-4)Related Product Information

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