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propane-1,3-dithiol

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Origin: China

Cas No: 109-80-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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Products Specification
Product Description

Quick Details
CAS No.:
109-80-8
Other Names:
1,3-Dimercaptopropane
MF:
C3H8S2
EINECS No.:
203-706-9
FEMA No.:
3588
Place of Origin:
Hubei, China
Type:
Synthetic Flavour & Fragrance
Usage:
Food Flavor
Purity:
98%min
Brand Name:
Fortunachem
Model Number:
Fortuna
Appearance:
Slight yellow to slight green sticky liquid
Molecular Weight:
108.23
Packaging&Delivery
Packaging Details
25kg/drum;200kg/drum
Port
Any port of China

Property

CAS No.: 109-80-8 Formula: C3H8S2 Molecular Weight: 108.22600

Description

1,3-Propanedithiol is the chemical compound with the formula HSCH2CH2CH2SH. This dithiol is a useful reagent in organic synthesis. This liquid, which is readily available commercially, has an intense stench.

Basic Info

Chemical Name	propane-1,3-dithiol
Synonyms	1,3-Propanedithiol; Trimethylene Dithiol; 1,3-Dimercaptopropane;
CAS No.	109-80-8
Molecular Formula	C3H8S2
Molecular Weight	108.22600
PSA	77.60000
LogP	1.23610

Properties

Appearance & Physical State	clear to pale yellow liquid
Density	1.07
Boiling Point	169ºC
Melting Point	-79ºC
Flash Point	58ºC
Refractive Index	1.538-1.542
Stability	Stable. Incompatible with oxidizing agents, bases, reducing agents, alkali metals. Store cool.
Storage Condition	2-8ºC
Vapor Density	>1 (vs air)
Vapor Pressure	5 mm Hg ( 37.7 °C)

Safety Info

RTECS	TZ2585500
Hazard Class	6.1
Safety Statements	S24/25
HS Code	29309070
Packing Group	III
WGK Germany	3
RIDADR	3336
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

allene+hydrogen sulfide→propane-1,3-dithiol+Allyl mercaptan
2-methyl-2-(2-phenylethenyl)-1,3-dithiane→propane-1,3-dithiol+trans-benzylideneacetone
2-[(E)-2-phenylethenyl]-1,3-dithiane→propane-1,3-dithiol+cinnamaldehyde

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Packed	Apiezon M	130.	951.	isothermal
Packed	SE-30	110.	921.	isothermal
Capillary	Apiezon M	-	951.	custom temperature program
Packed	Carbowax 20M	110.	1448.	isothermal
Capillary	PEG-20M	-	1457.	custom temperature program