Dimethyldiselenide - ≥95% , CAS No.7101-31-7

CAS: 7101-31-7 Cat. No.: D133995 Molecular Weight: 187.99 Beilstein Registry Number: 1(4)1288 EC Number: 230-410-7

GRADE & PURITY ≥95%

Synonyms

Diselenobismethane | Methyl diselenide | dimethyldiselane | Diselenide, dimethyl | AH7TJ8228U | DIMETHYL DISELENIDE | EINECS 230-410-7 | Dimethyldiselenide | (methyldiselanyl)methane | MFCD00008254 | 1,2-Dimethyldiselane | (CH3Se)2 | Methyl diselenide, 8C

Storage

Store at 2-8°C

Shipped In

Wet ice

Overview

Dimethyl diselenide is a volatile selenium species and its determination in biological samples by HPLC-inductively coupled argon plasma mass spectrometry was reported.Selenium alkylation with dimethyl diselenide was reported by solid-phase microextraction gas chromatography-mass spectrometry.
Dimethyl diselenide is the most powerful reagent used to identify distonic radical cations.

Specifications

Synonyms

Diselenobismethane | Methyl diselenide | dimethyldiselane | Diselenide, dimethyl | AH7TJ8228U | DIMETHYL DISELENIDE | EINECS 230-410-7 | Dimethyldiselenide | (methyldiselanyl)methane | MFCD00008254 | 1, 2-Dimethyldiselane | (CH3Se)2 | Methyl diselenide, 8C

Specifications & Purity

≥95%

Storage

Store at 2-8°C

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥95%

Names and Identifiers

• Canonical Smiles: C[Se][Se]C
• IUPAC Name: (methyldiselanyl)methane
• InChIKey: VLXBWPOEOIIREY-UHFFFAOYSA-N
• INCHI: 1S/C2H6Se2/c1-3-4-2/h1-2H3
• Isomeric SMILES: C[Se][Se]C
• WGK Germany: 3
• UN Number: 1992
• Packing Group: III
• Molecular Weight: 187.99
• Beilstein: 1(4)1288
• Reaxy-Rn: 1696897
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1696897&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organometallic compounds
    • Class Organometalloid compounds
      • Subclass Organoselenium compounds

• Kingdom: Organic compounds
• Superclass: Organometallic compounds
• Class: Organometalloid compounds
• Subclass: Organoselenium compounds
• Intermediate Tree Nodes: Not available
• Direct Parent: Diselenides
• Alternative Parents: Hydrocarbon derivatives
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Diselenide group - Hydrocarbon derivative - Aliphatic acyclic compound
• Description: This compound belongs to the class of organic compounds known as diselenides. These are organoselenium compounds with the general structure R-Se-Se-R' (R,R' = H or organic moiety).
• External Descriptors: a small molecule

Data sources

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

Chemical and Physical Properties

• Solubility: Reacts with water.
• Sensitivity: Moisture & air Sensitive
• Refractive Index: 1.6388
• Flash Point(°F): 140 °F
• Flash Point(°C): 60°C
• Boil Point(°C): 155-157 °C
• Melt Point(°C): -82°C
• Molecular Weight: 188.010 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 1
• Exact Mass: 189.88 Da
• Monoisotopic Mass: 189.88 Da
• Topological Polar Surface Area: 0.000 Ų
• Heavy Atom Count: 4
• Formal Charge: 0
• Complexity: 6.000
• 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

XLogP3

References

1. Anruo Luo, Jianhua Chen, Yibing Zhang, Huimin Chen, Zerui Liu.  (2025)  Experimental and mechanistic study of selenium-based organic compounds as new collectors for copper ore flotation.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2025.162971]

2. Xinru Tang, Hui Zhang, Shugui Huang, Zeyuan Deng, Chuan Sun, Xiaomao Sun, Hongyan Li.  (2024)  Purity determination and uncertainty evaluation of L-selenium-methylselenocysteine.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2024.112154]