1,3-Dimercaptopropane CAS #109-80-8

Name: 1,3-Dimercaptopropane CAS #109-80-8
SKU: 0

Classification：Flavors And Fragrances

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product description

1,3-Dimercaptopropane CAS #109-80-8

1, 3-dimercaptopropane is usually a colorless transparent liquid at room temperature. However, due to its easy oxidation and other reasons, it may be slightly yellow after long-term storage.

It is a liquid state at room temperature and atmospheric pressure, with a certain fluidity, its density is slightly larger than water, slightly soluble in water, can be mixed in ethanol, ether, benzene, chloroform and other organic solvents.

Product Name:	1,3-Dimercaptopropane
Synonyms:	1,3-Propanedimercaptan;1,3-propyldimercaptan;NDR-132;FEMA 3588;DITHIOTRIMETHYLENEGLYCOL;1,3-DIMERCAPTOPROPANE;1,3-PROPANEDITHIOL;propane-1,3-dithiol
CAS:	109-80-8
MF:	C3H8S2
MW:	108.23
EINECS:	203-706-9
Product Categories:	Building Blocks;Chemical Synthesis;Contact Printing;Dithiols;Materials Science;Micro/NanoElectronics;thiol Flavor;Organic Building Blocks;Self Assembly &;Self-Assembly Materials;Sulfur Compounds;Thiols;Thiols/Mercaptans
Mol File:	109-80-8.mol

1,3-Dimercaptopropane Chemical Properties

Melting point	-79 °C (lit.)
Boiling point	169 °C (lit.)
density	1.078 g/mL at 25 °C (lit.)
vapor density	>1 (vs air)
vapor pressure	5 mm Hg ( 37.7 °C)
refractive index	n20/D1.539(lit.)
FEMA	3588 \| 1,3-PROPANEDITHIOL
Fp	138 °F
storage temp.	Store below +30°C.
form	Liquid
pka	9.86±0.10(Predicted)
color	Clear light yellow
Specific Gravity	1.078
Odor	at 0.10 % in propylene glycol. meaty sulfurous
Odor Type	meaty
biological source	synthetic
Water Solubility	<0.1 g/100 mL at 21 ºC
JECFA Number	535
Merck	14,7801
BRN	1071197
Stability:	Stable. Incompatible with oxidizing agents, bases, reducing agents, alkali metals. Store cool.
LogP	1.70
CAS DataBase Reference	109-80-8(CAS DataBase Reference)
NIST Chemistry Reference	1,3-Propanedithiol(109-80-8)
EPA Substance Registry System	1,3-Propanedithiol (109-80-8)

Product Usage

1,3-Propanedithiol is used as a reagent in the preparation of thioketals and thioacetals. It acts as a flavoring agent. It is used as a precursor in the synthesis of cyclic dithioacetal (1,3-dithiane) derivatives of carbonyl compounds. It is involved in the preparation of diiron propanedithiolate hexacarbonyl by reacting reaction with triiron dodecacarbonyl. Further, it is used for the protection of aldehydes and ketones through their reversible formation of dithianes. In addition to this, it reacts with metal ions to form chelate rings.

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