ChemicalBook >>1,9-Nonanedithiol>>1,9-Dimercaptononane(3489-28-9)

1,9-Dimercaptononane(3489-28-9)

1,9-Dimercaptononane(3489-28-9)
Product IdentificationBack to Contents
【Product Name】

1,9-Dimercaptononane
【Synonyms】

1,9-Dimercaptononane
1,9-Nonanedithiol
Nonamethylene dimercaptan
【CAS】

3489-28-9
【Formula】

C9H20S2
【Molecular Weight】

192.37
【EINECS】

222-482-3
【Beilstein/Gmelin】

1737568
【Beilstein Reference】

4-01-00-02608
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless - light yellow liquid. With a stench.
【Solubility in water】

Insoluble
【Melting Point】

-17.5
【Boiling Point】

284
【Vapor Pressure】

0.0044 (25 C)
【Density】

0.9698 g/cm3 (0 C)
【pKa/pKb】

10.25
【Partition Coefficient】

4.4
【Heat Of Vaporization】

58.2 kJ/mol
【Vapor Density】

6.63
【Refractive Index】

1.50 (20 C)
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use with adequate ventilation.
Hazards IdentificationBack to Contents
【Inhalation】

Causes respiratory tract irritation. Can produce delayed pulmonary edema.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【EC Risk Phrase】

R 22 36/38
【EC Safety Phrase】

S 26 36/37/39
【UN (DOT)】

2810
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】

Effects may be delayed.
Fire Fighting MeasuresBack to Contents
【Flash Point】

101
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Water may be ineffective. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Provide ventilation.
Stability and ReactivityBack to Contents
【Incompatibilities】

Oxidizing agents, reducing agents, bases, alkali metals.
【Stability】

Stable at room temperature in closed containers under normal storage and handling conditions.
【Decomposition】

Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen sulfide.
Transport InformationBack to Contents
【UN Number】

2810
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