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1,3-dithiane

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Origin: China

Cas No: 505-23-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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Product Description

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CAS No.: 505-23-7 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	1,3-dithiane
Synonyms	Dithiane-1,3; 1,3-Dithian; META-DITHIANE; [1,3]dithiane; M-DITHIANE; 1,3-Dithane; 1,3-Dithiane; 1,3-Dithiacyclohexane; 1,3-dithaine; 1,3-dihtiane;
CAS No.	505-23-7
Molecular Formula	C4H8S2
Molecular Weight	120.23600
PSA	50.60000
LogP	1.81400

Properties

Appearance & Physical State	White solid
Density	1.14 g/cm3
Boiling Point	195ºC at 760 mmHg
Melting Point	49-54ºC
Flash Point	90ºC
Refractive Index	1.5981 (25ºC)
Stability	Stable under normal temperatures and pressures.
Storage Condition	Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Safety Info

RTECS	JO5070000
Hazard Class	4.1
Safety Statements	S24/25
HS Code	29349990
Packing Group	III
WGK Germany	3
RIDADR	UN 1325
Risk Statements	R20/21/22

Synthesis Route

propane-1,3-dithiol+dimethoxymethane→1,3-dithiane
propane-1,3-dithiol+Diiodomethane→1,3-dithiane
2-[(E)-2-phenylethenyl]-1,3-dithiane+Diethoxymethane→1,3-dithiane+cinnamaldehyde

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	DB-5	-	1027.	temperature ramp
Capillary	CP-Wax 52CB	-	1296.	temperature ramp
Capillary	CP-Wax 52CB	-	1296.	temperature ramp
Capillary	VF-5	-	1031.	custom temperature program
Capillary	VF-5	-	1027.	custom temperature program