Basic Description

Synonyms	Mercuric selenide colloid \| Mercury monoselenide \| selanylidenemercury \| Mercury(II) selenide \| Mercury(2+) selenide \| Mercuric selenide \| Mercury selenide \| MFCD00049743 \| EINECS 243-910-5 \| Q417211 \| DTXSID8066630
Specifications & Purity	PrimorTrace™, ≥99.99% metals basis
Grade	PrimorTrace™

Taxonomic Classification

Taxonomy Tree

Kingdom Inorganic compounds
- Superclass Mixed metal/non-metal compounds
  - Class Miscellaneous mixed metal/non-metals

Kingdom	Inorganic compounds
Superclass	Mixed metal/non-metal compounds
Class	Miscellaneous mixed metal/non-metals
Subclass	Not available
Intermediate Tree Nodes	Not available
Direct Parent	Miscellaneous mixed metal/non-metals
Alternative Parents	Inorganic selenides Inorganic salts Inorganic mercury compounds
Molecular Framework	Not available
Substituents	Inorganic selenide - Inorganic salt - Miscellaneous mixed metal/non-metal - Inorganic mercury compound
Description	This compound belongs to the class of inorganic compounds known as miscellaneous mixed metal/non-metals. These are inorganic compounds containing non-metal as well as metal atoms but not belonging to afore mentioned classes.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

Pubchem Sid	488186507
IUPAC Name	selanylidenemercury
INCHI	InChI=1S/Hg.Se
InChIKey	YQMLDSWXEQOSPP-UHFFFAOYSA-N
Smiles	[Se]=[Hg]
Isomeric SMILES	[Se]=[Hg]
UN Number	2025
Packing Group	I
Molecular Weight	279.55
Reaxy-Rn	13501143
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13501143&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot Number	Certificate Type	Date	Item
H2211414	Certificate of Analysis	May 12, 2025	M283529
H2211413	Certificate of Analysis	May 12, 2025	M283529
H2211428	Certificate of Analysis	May 12, 2025	M283529
H2211429	Certificate of Analysis	May 12, 2025	M283529

Chemical and Physical Properties

Molecular Weight	279.560 g/mol
XLogP3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	281.887 Da
Monoisotopic Mass	281.887 Da
Topological Polar Surface Area	0.000 Å²
Heavy Atom Count	2
Formal Charge	0
Complexity	2.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

Citations of This Product

How to Cite Aladdin Scientific Products?

1. Jinlong Shi, Mengran Sun, Chunxiao Li, Jiyong Yao. (2024) Synthesis, crystal structure and optical properties of the first Hg-based polyselenide Ba2HgSe5. JOURNAL OF SOLID STATE CHEMISTRY, 330 (124488).
2. Rihong Xiao, Jianping Yang, Yili Zhang, Zhuo Xiong, Junying Zhang, Yongchun Zhao. (2025) Efficient and Selective Immobilization and Direct Conversion of Mercury Into Optical Material-HgSe via Highly Active Trigonal Phase Selenium (t-Se). ADVANCED FUNCTIONAL MATERIALS, (2500134).

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

=

Concentration

x

Volume

x

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

x

Volume 1 (V1)

=

Concentration 2 (C2)

x

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

=

Mass (in vial)

÷

Desired Reconstitution Concentration

SKU	Size	Availability	Price
M283529-1g	1g	3	$64.90
M283529-5g	5g	3	$226.90
M283529-25g	25g	3	$1,017.90
M283529-100g	100g	2	$3,662.90

Mercury(II) selenide - 99.99%-Hg, high purity , CAS No.20601-83-6