3489-28-9

Basic information

• Product Name: 1,9-Nonanedithiol
• Synonyms: FEMA 3513;1,9-NONANEDITHIOL;1,9-DIMERCAPTONONANE;NONAMETHYLENE DIMERCAPTAN;NONANE-1,9-DITHIOL;1,9-Dimercaptononane~Nonamethylene dimercaptan;1 9-NONANEDITHIOL 95+%;1,9-Nonanedithiol,97%
• CAS NO: 3489-28-9
• Molecular Formula: C₉H₂₀S₂
• Molecular Weight: 192.39
• EINECS: 222-482-3
• Mol File: 3489-28-9.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 284 °C(lit.)
• Flash Point: 215 °F
• Appearance: /
• Density: 0.952 g/mL at 25 °C(lit.)
• Vapor Pressure: 0.00684mmHg at 25°C
• Refractive Index: n20/D 1.4999(lit.)
• PKA: 10.19±0.10(Predicted)
• Water Solubility: insoluble
• Sensitive: Air Sensitive
• BRN: 1737568
• CAS DataBase Reference: 1,9-Nonanedithiol(CAS DataBase Reference)
• NIST Chemistry Reference: 1,9-Nonanedithiol(3489-28-9)
• EPA Substance Registry System: 1,9-Nonanedithiol(3489-28-9)

Safety Data

• Hazard Codes: Xi,Xn
• Statements: 36/37/38-22
• Safety Statements: 26-37/39
• RIDADR: 2810
• WGK Germany: 3
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• Hazardous Substances Data: 3489-28-9(Hazardous Substances Data)

Usage

Description

1,9-Nonanedithiol is a colorless to pale yellow liquid with a sulfurous, meaty odor. It is a dithiol compound, which means it contains two thiol (-SH) groups in its molecular structure. 1,9-Nonanedithiol is known for its unique chemical properties and potential applications in various industries.

Uses

Used in Flavor Industry:
1,9-Nonanedithiol is used as a flavoring agent for its meaty odor, adding a characteristic taste to various food products. It is particularly useful in the flavoring of mushroom, meat, chicken, cereal, and cucumber.
Used in Chemical Industry:
1,9-Nonanedithiol can be used as a chemical intermediate in the synthesis of various compounds, such as dyes, pharmaceuticals, and other specialty chemicals. Its unique thiol groups make it a versatile building block for creating complex molecules.
Used in Food Industry:
1,9-Nonanedithiol is used as an additive in the food industry, where it helps to enhance the flavor and aroma of certain products. However, it is important to note that the total dithiol added to any food should not exceed 1.00 ppm, as indicated by FEMA.

Biochem/physiol Actions

Odor at 0.10%: waxy, sulfurous, metallic, vegetative.

InChI:InChI=1/C9H20S2/c10-8-6-4-2-1-3-5-7-9-11/h10-11H,1-9H2

Upstream product

• 4549-33-1 1,9-Dibromononane 
• 3937-56-2 1,9-Nonanediol 

Downstream Products

• 115321-75-0 3-(m-nitrobenzoyl)-1,9-dithia-trans-4-trans-6-cyclooctadecadiene 
• 115321-73-8 ((E)-1,7-Dithia-cyclohexadec-4-en-3-yl)-(3-nitro-phenyl)-methanone 
• 83291-76-3 C₆₃H₇₄N₂O₂₀S₂ 

Relevant articles and documents

Polyfunctional disulfide compounds having S--S exchange reactivity

A polyfunctional disulfide compound, useful as a cross-linking reagent having S--S exchange reactivity, of the formula STR1 wherein R is 2-benzothiazolyl or 2-pyridyl-N-oxide and X is a spacer group having an alkylene group directly bonded to each S--S group.