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1,4-dithiane

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Origin: China

Cas No: 505-29-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 505-29-3 Formula: C4H8S2 Molecular Weight: 120.23600

Description

A dithiane is a heterocyclic compound composed of a cyclohexane core structure wherein two methylene bridges (-CH 2- units) are replaced by sulfur centres. The three isomeric parent heterocycles are 1,2-dithiane, 1,3-dithiane and 1,4-dithiane.
Space filling models of 1,2-dithiane (left), 1,3-dithiane and 1,4-dithiane (right)

Basic Info

Chemical Name	1,4-dithiane
Synonyms	1,4-Dithiane; Diethylene disulfide; dihydro-1,4-dithiin; p-Dithane; 1,4-dithian; p-Dithiin,tetrahydro; 1,4-Dithiacyclohexane; 1,4-Dithiin,tetrahydro; p-Dithiane;
CAS No.	505-29-3
Molecular Formula	C4H8S2
Molecular Weight	120.23600
PSA	50.60000
LogP	1.46640

Properties

Appearance & Physical State	white solid with an extremely unpleasant smell
Density	1.14g/cm3
Boiling Point	200ºC
Melting Point	110-112ºC
Flash Point	82.1ºC
Refractive Index	1.573
Stability	Stable. Incompatible with strong oxidizing agents. Probably combustible.

Safety Info

Safety Statements	S22-S24/25
HS Code	2934999090
Risk Statements	R36/37/38
Hazard Codes	Xi
Caution Statement	P261; P305 + P351 + P338
Hazard Declaration	H315; H319; H335
Symbol	GHS07
Signal Word	Warning

Synthesis Route

trans-2,3-Dichlor-1,4-dithian→1,4-dithiane+2-(1,3-dithiolan-2-yl)-1,3-dithiolane
+tetraphenylphosphanium,chloride→1,4-dithiane+Chlorocyclopentadienylbis(triphenylphosphine)ruthenium(II)
1,2-Dichloroethane→1,4-dithiane+2-(2-sulfanylethylsulfanyl)ethanethiol

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	Methyl Silicone	100.	1038.	isothermal
Capillary	Methyl Silicone	120.	1050.	isothermal
Packed	Apiezon M	130.	1094.	isothermal
Capillary	PEG-20M	130.	1618.	isothermal
Capillary	PEG-20M	150.	1641.	isothermal