sec-butyl disulfide cas 5943-30-6

Chemical Name: sec-butyl disulfide
Synonyms: Di-Sec-butyldisulfide, bis(sec-butyl) disulphide
CAS No.: 5943-30-6
MolecularFormula: C8H18S2
Molecular Weight:176.36g/mol
Appearance: Colorless liquid
Purity: 98.5%min

Description

sec-butyl disulfide quick Details
Chemical Name: sec-butyl disulfide
Synonyms: Di-Sec-butyldisulfide, bis(sec-butyl) disulphide
CAS-No.: 5943-30-6
MolecularFormula: C8H18S2
Molecular Weight:176.36g/mol
Molecular structure:
Density: 0.957 g/cm3
Melting point:-49°C
Boiling point: 220.6°C
Flash point:67.2 °C –closed cup
Solubility:Soluble in ethanol and ether, insoluble in water.
sec-butyl disulfide typical Properties

Item
Index

Appearance
Colorless liquid

Purity
98.5%min

Water
0.1%max

sec-butyl disulfideUsage
This product is mainly used as organic intermediate.
sec-butyl disulfidePackaging
180Kg/drum, or according to the customer request.
sec-butyl disulfideStorage
Keep airtight in a dry and cool place.
sec-butyl disulfidePreparation or source
(1) The corresponding bromobutane and sodium sulfide were refluxed into ethanol.
(2) The corresponding butanol and carbon disulfide were heated and refluxed.
(3) Using corresponding butanol and hydrogen sulfide as raw materials, heated under the catalysis of gamma-alumina, prepared by gas-solid catalytic reaction.
A Small Method for Preparing Disec-Butyl Disulfide
1. Sodium sulfide and water were added into the reaction bottle, after stirring and dissolving, sulfur powder was added, heated to 55 C under stirring for 1 hour, then cooled.
2. The obtained water solution was transferred to the microwave reactor, quaternary ammonium salt phase transfer catalyst was added, and 2-Bromobutane was added.
3. The microwave reactor was opened and stirred for 0.2-2 hours at 300-1000W power to terminate the reaction. Disec-butyl disulfide was synthesized from the reaction liquid by standing, separating the water phase and distilling the organic phase.
Remarks
Isomers of dibutyl sulfide. It’s stimulating.
sec-butyl disulfidePackaging and Shipping
Packing: 25Kg/drum
Delivery: delivery within 3-5working days.
sec-butyl disulfideStorage
Avoiding light and drying.
First-aid measures
4.1Description of necessary first-aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
4.2Most important symptoms/effects, acute and delayed
no data available
4.3Indication of immediate medical attention and special treatment needed, if necessary
no data available

Fire-fighting measures
5.1Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
5.2Specific hazards arising from the chemical
no data available
5.3Special protective actions for fire-fighters
Wear self-contained breathing apparatus for firefighting if necessary.
6.Accidental release measures
6.1Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.
6.2Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.
6.3Methods and materials for containment and cleaning up
Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

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