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

Chemical Properties

Different sources of media describe the Chemical Properties of 3489-28-9 differently. You can refer to the following data:
1. COLOURLESS TO PALE YELLOW LIQUID
2. ,9-Nonanedithiol has a sulfurous, meaty odor. FEMA indicates that total dithiol added to any food should not exceed 1.00 ppm

Uses

Possible uses: mushroom, meat, chicken, cereal, cucumber.

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

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

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.