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Dibutyl sulfide(CAS#544-40-1)

Chemical Property:

Molecular Formula C8H18S
Molar Mass 146.29
Density 0.838 g/mL at 25 °C (lit.)
Melting Point -76 °C (lit.)
Boling Point 188-189 °C (lit.)
Flash Point 170°F
JECFA Number 455
Water Solubility Silghtly miscible with water. Miscible with olive oil and almond oil.
Vapor Presure 5.17 mm Hg ( 37.7 °C)
Vapor Density 5.07 (vs air)
Appearance Liquid
Color Clear colorless to very slightly yellow
Merck 14,1590
BRN 1732829
Storage Condition Store below +30°C.
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
Refractive Index n20/D 1.452(lit.)
MDL MFCD00009468
Physical and Chemical Properties Colorless liquid, high concentration of strong sulfur breath, when highly diluted violet leaf aroma. Boiling point 182~189 ℃, flash point 60 ℃, freezing point -11 ℃. Soluble in ether and ethanol, insoluble in water. Natural products are found in onion and garlic vegetables.
Use For daily use, food flavor

Product Detail

Product Tags

Hazard Symbols Xi – Irritant
Risk Codes R36/37/38 – Irritating to eyes, respiratory system and skin.
R41 – Risk of serious damage to eyes
Safety Description S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection.
S24/25 – Avoid contact with skin and eyes.
S36 – Wear suitable protective clothing.
UN IDs 2810
WGK Germany 2
RTECS ER6417000
FLUKA BRAND F CODES 13
TSCA Yes
HS Code 29309070
Hazard Class 6.1(b)
Packing Group III
Toxicity LD50 orally in Rabbit: 2220 mg/kg

 

Introduction

Dibutyl sulfide (also known as dibutyl sulfide) is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of dibutyl sulfide:

 

Quality:

- Appearance: BTH is usually a colorless liquid with a peculiar thioether odor.

- Solubility: BH is soluble in organic solvents such as ethanol, ether and benzene, but insoluble in water.

- Stability: Under normal conditions, BTH is relatively stable, but spontaneous combustion or explosion may occur at high temperatures, pressures, or when exposed to oxygen.

 

Use:

- As a solvent: Dibutyl sulfide is often used as a solvent, especially in organic synthesis reactions.

- Preparation of other compounds: BTHL can be used as an intermediate in the synthesis of other organic compounds.

- Catalyst for organic synthesis: Dibutyl sulfide can also be used as a catalyst for organic synthesis reactions.

 

Method:

- General preparation method: Dibutyl sulfide can be prepared by the reaction of 1,4-dibutanol and hydrogen sulfide.

- Advanced preparation: In the laboratory, it can also be prepared by Grignard reaction or thionyl chloride synthesis.

 

Safety Information:

- Effects on the human body: BTH can enter the body through inhalation and skin contact, which may cause eye irritation, respiratory irritation, skin allergies, and central nervous system depression. Direct contact should be avoided and adequate ventilation should be ensured.

- Fire and explosion hazards: BTH may spontaneously ignite or explode at high temperatures, pressures, or when exposed to oxygen. Care should be taken to avoid ignition and electrostatic discharge, and store in an airtight container.

- Toxicity: BTH is toxic to aquatic life and should be avoided for release into the environment.

 


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