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7487-94-7

7487-94-7 structural image
Product Name: Mercury chloride
Formula: Cl2Hg
Synonyms: Mercuric chloride;Mercury dichloride;Mercury(II) chloride
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Mercuric chloride appears as an odorless white crystalline solid. Density 5.4 g / cm3. Melting point 277 °C. Slightly volatile at ordinary temperatures. Can be sublimed unchanged. Corrosive to the mucous membranes. Toxic by inhalation (dusts, etc.), ingestion, and skin absorption. Used in photography, disinfectants, wood preservatives, fungicides.
Color/Form Colorless rhombic crystals or white powder
Odor Odorless
Boiling Point 576 °F at 760 mmHg (EPA, 1998)
Melting Point 529 °F (EPA, 1998)
Solubility 5 to 10 mg/mL at 72 °F (NTP, 1992)
Density 5.44 at 77 °F (EPA, 1998) - Denser than water; will sink
Vapor Density 9.8 g/cu cm
Vapor Pressure 1 mmHg at 277.16 °F (EPA, 1998)
LogP log Kow= 0.22
Henry's Law Constant Henry's Law constant = 7.09X10-10 atm-cu m/mole 25 °C
Stability/Shelf Life SLIGHTLY VOLATILE AT ORDINARY TEMP; APPRECIABLY SO AT 100 °C; VOLATILIZES UNCHANGED @ ABOUT 300 °C
Corrosivity Corrosion rate: 0.0003 mm/yr (1% concn) at 100 °C; 0.01 mm/yr (5% concn) at 100 °C; 0.001 mm/yr (10% concn) at 100 °C. ... relative to titanium
pH About 4.7 also reported as 3.2 for 0.2 molar aq soln
Refractive Index INDEX OF REFRACTION: 1.859
Other Experimental Properties Coagulates albumin; produces yellow precipitate with sodium hydroxide
Chemical Classes Metals -> Mercury Compounds, Inorganic

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Corrosion
Corrosives
GHS05

Skull and Crossbones
Acute Toxicity
GHS06

Health Hazard
GHS08

Environment
GHS09
GHS Hazard Statements H300:Acute toxicity,oral
H314:Skin corrosion/irritation
H341:Germ cell mutagenicity
H372:Specific target organ toxicity, repeated exposure
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

COMPUTED DESCRIPTORS

Molecular Weight 271.50 g/mol
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 0
Exact Mass 271.908349 g/mol
Monoisotopic Mass 271.908349 g/mol
Topological Polar Surface Area 0 Ų
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

Mercuric chloride appears as an odorless white crystalline solid. Density 5.4 g / cm3. Melting point 277 °C. Slightly volatile at ordinary temperatures. Can be sublimed unchanged. Corrosive to the mucous membranes. Toxic by inhalation (dusts, etc.), ingestion, and skin absorption. Used in photography, disinfectants, wood preservatives, fungicides.