7774-29-0

Product Name: MERCURY(II) IODIDE

Formula: HgI2

Synonyms: Mercuric iodide red;Mercury diiodide;Mercury(II) iodide;Mercury(II) iodide red

Inquiry

CHEMICAL AND PHYSICAL PROPERTIES SAFETY INFORMATION COMPUTED DESCRIPTORS PRODUCT INTRODUCTION RELATED SUPPLIERS

CHEMICAL AND PHYSICAL PROPERTIES

Physical Description	Mercury iodide appears as a scarlet-red odorless tasteless powder. Sensitive to light. Insoluble in water and sinks in water. At elevated temperatures turns yellow but turns back to red upon cooling. Poison.
Color/Form	Scarlet-red, heavy, powder
Odor	Odorless
Taste	Almost tasteless
Boiling Point	669 °F at 760 mmHg (USCG, 1999)
Melting Point	495 °F (USCG, 1999)
Solubility	0.006 g/100 g water @ 25 °C
Density	6.3 at 68 °F (USCG, 1999) - Denser than water; will sink
Vapor Pressure	100 mm Hg at 261.8 °C; 400 mm Hg at 324.2 °C
Stability/Shelf Life	SENSITIVE TO LIGHT
Refractive Index	INDICES OF REFRACTION: 2.455 (EPSILON); 2.748 (OMEGA)
Other Experimental Properties	Sublimes @ 350 °C; @ 130 °C becomes yellow, then red on cooling
Chemical Classes	Metals -> Mercury Compounds, Inorganic

SAFETY INFORMATION

Signal word	Danger
Pictogram(s)	Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08 Environment GHS09
GHS Hazard Statements	H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes	P262:Do not get in eyes, on skin, or on clothing. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection.

COMPUTED DESCRIPTORS

Molecular Weight	454.40 g/mol
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	455.77959 g/mol
Monoisotopic Mass	455.77959 g/mol
Topological Polar Surface Area	0 Å²
Heavy Atom Count	3
Formal Charge	0
Complexity	2.8
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently-Bonded Unit Count	1
Compound Is Canonicalized	Yes

PRODUCT INTRODUCTION

description

Mercury iodide appears as a scarlet-red odorless tasteless powder. Sensitive to light. Insoluble in water and sinks in water. At elevated temperatures turns yellow but turns back to red upon cooling. Poison.