1,3,5-Triselenane, also known as s-Triselenane or 1,3,5-triselenacyclohexane, is a selenium-containing heterocyclic compound that serves as a key intermediate in the generation of reactive selenoaldehydes. It can be synthesized from aldehydes using bis(trimethylsilyl)selenium [(Me3Si)2Se] in the presence of Lewis acids, facilitating the formation of selenoaldehydes through fragmentation. 1,3,5-Triselenane is significant in heteroatom chemistry due to its role in producing unstable selenoaldehydes, which contain a carbon-selenium double bond.

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Basic information
1. Product Name: 1,3,5-triselenane
2. Synonyms: 1,3,5-Triselenane
3. CAS NO:291-25-8
4. Molecular Formula: C₃H₆Se₃
5. Molecular Weight: 278.9597
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 291-25-8.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 316.4°C at 760 mmHg
3. Flash Point: 145.2°C
4. Appearance: N/A
5. Density: N/A
6. Vapor Pressure: 0.000762mmHg at 25°C
7. Refractive Index: N/A
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: 1,3,5-triselenane(CAS DataBase Reference)
11. NIST Chemistry Reference: 1,3,5-triselenane(291-25-8)
12. EPA Substance Registry System: 1,3,5-triselenane(291-25-8)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 291-25-8(Hazardous Substances Data)

291-25-8 Usage

Composition

Three selenium atoms and five carbon atoms

Molecular Structure

Cyclic, with selenium atoms arranged in a ring

Classification

Organoselenium compound

Unique Properties

Potential for use in various organic synthesis reactions

Field of Interest

Materials science

Potential Applications

Development of new organic materials with desirable properties

Rarity

Relatively rare and specialized compound

Research Status

Ongoing research and investigation into its properties and potential applications

Check Digit Verification of cas no

The CAS Registry Mumber 291-25-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,9 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 291-25:
(5*2)+(4*9)+(3*1)+(2*2)+(1*5)=58
58 % 10 = 8
So 291-25-8 is a valid CAS Registry Number.

291-25-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name	1,3,5-triselenacyclohexane

1.2 Other means of identification

Product number	-
Other names	1,3,5-triselenane

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:291-25-8 SDS

291-25-8Upstream product

291-25-8Downstream Products

291-25-8Relevant articles and documents

Reactions of dichloromethane with chalcogens and dimethyl chalcogenides in the hydrazine hydrate-alkali system

Levanova,Vshivtsev,Sukhomazova,Grabel'nykh,Russavskaya,Zhanchipova,Klyba,Albanov,Korchevin

experimental part, p. 1734 - 1741 (2009/02/07)

Methods of synthesis of compounds MeY(CH2Y) n Me (Y=S, Se, Te; n = 1-3) containing several identical or different chalcogen atoms are suggested. The methods are based on the reactions of dichloromethane with elemental chalcogens (Ys

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CAS

291-25-8