Mercurous Chloride

HCID 24182

Notes Reactions

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Basic information

CAS: 7546-30-7
Standard SMILES: [Cl][Hg]
InChIKey: RCTYPNKXASFOBE-UHFFFAOYSA-M
Molecular formula: ClHg
Average molar mass: 236.04 g/mol

Names & identifiers

Preferred name: Mercurous Chloride
IUPAC: chloromercury
English name: CALOMEL
Molecular formula: ClHg
Molecular weight: 236.04

Names & synonyms

Mercury monochlorideMercury protochlorideRefChem:1088957Mercurous ChlorideChloromercuryMercury (I) chloridePrecipite blancMercurochloride [Dutch]Cloruro mercuroso [Italian]mercurychlorideMercurochlorideChlorquecksilber

Show more names

KalomelCalosanCALOMELc.i.77764CalomelanoAids059346Aids-059346precipiteblanc

Quecksilber chloruer [German]C.I. 77764Cloruro mercurosoHgClQuecksilber(I)-chlorid [German]Quecksilber chloruerHg2Cl2, CalomelEINECS 231-430-9

Database identifiers

CAS: 7546-30-7
PubChem CID: 24182

Properties

Computed structural properties

Topological polar surface area: 0 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 0
Rotatable bonds: 0
Heavy atoms: 2
Formal charge: 0
Complexity: 2

Experimental & physicochemical properties

Pesticides · 2 items

Agrochemicals -> Pesticide active substances

Active substance -> EU Pesticides database: Not approved

Density7.15 @25 °C

Physicochemical properties

form: Solid
color: White
Stability: May be light sensitive. Incompatible with strong bases, carbonates, sulfides, cyanides, alkalies, sulfites, sulfates, hydrogen peroxide, ammonia, iodine, hydrogen bromide.
CAS DataBase Reference: 7546 · 7546-30-7
EPA Substance Registry System: Mercury chloride (HgCl) (7546-30-7)
Symbol(GHS): 8 · GHS08,GHS09,GHS06
Signal word: Danger
Hazard statements: 410 · H410-H373-H310-H300-H330
Precautionary statements: 260 · P260-P314-P501-P273-P391-P501-P260-P271-P284-P304+P340-P310-P320-P403+P233-P405-P501-P262-P264-P270-P280-P302+P350-P310-P322-P361-P363-P405-P501-P264-P270-P301+P310-P321-P330-P405-P501
TSCA: TSCA listed

Safety & regulation

Hazard information

DOT Hazard Classification · 2 items

Mercurous chloride

Severe marine pollutant

Safety & protection

Protective Action Criteria (PAC) · 3 items

0.0091 [ppm]

0.25 [ppm]

0.50 [ppm]

Safety data

tsca: TSCA listed
Signal word: Danger
Symbol(GHS): GHS08,GHS09,GHS06
Hazard statements: H410-H373-H310-H300-H330
Precautionary statements: P260-P314-P501-P273-P391-P501-P260-P271-P284-P304+P340-P310-P320-P403+P233-P405-P501-P262-P264-P270-P280-P302+P350-P310-P322-P361-P363-P405-P501-P264-P270-P301+P310-P321-P330-P405-P501