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4-Methyl thiazole(CAS#693-95-8)

Chemical Property:

Molecular Formula C4H5NS
Molar Mass 99.15
Density 1.09 g/mL at 25 °C (lit.)
Melting Point 134 °C
Boling Point 133-134 °C (lit.)
Flash Point 90°F
JECFA Number 1043
Vapor Presure 10mmHg at 25°C
Appearance Liquid
Specific Gravity 1.090
Color Clear colorless to slightly yellow
BRN 105228
pKa pK1:3.16(+1) (25°C,μ=0.1)
Storage Condition Inert atmosphere,2-8°C
Refractive Index n20/D 1.524(lit.)
Physical and Chemical Properties Density 1.09
boiling point 133-134°C
refractive index 1.5257
flash point 32°C
Use Used as pharmaceutical, Fragrance Intermediates

Product Detail

Product Tags

Risk Codes R10 – Flammable
R22 – Harmful if swallowed
R37/38 – Irritating to respiratory system and skin.
R41 – Risk of serious damage to eyes
Safety Description S16 – Keep away from sources of ignition.
S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S39 – Wear eye / face protection.
UN IDs UN 1993 3/PG 3
WGK Germany 3
RTECS XJ5096000
TSCA T
HS Code 29341000
Hazard Class 3
Packing Group III

 

Introduction

4-Methylthiazole is an organic compound. The following is a brief introduction to the properties, uses, preparation methods and safety information of 4-methylthiazole:

 

Quality:

- 4-Methylthiazole is a colorless to light yellow liquid.

- It has a strong ammonia smell.

- 4-Methylthiazole is soluble in water and most organic solvents at room temperature.

- 4-Methylthiazole is a weakly acidic compound.

 

Use:

- 4-Methylthiazole is also used in the synthesis of certain pesticides, such as thiazolone, thiazolol, etc.

- It can also be used in the production of dyes and rubber products.

 

Method:

- 4-Methylthiazole can be obtained by the reaction of methyl thiocyanate and vinyl methyl ether.

- During preparation, methyl thiocyanate and vinyl methyl ether are reacted under alkaline conditions to form 4-methyl-2-ethopropyl-1,3-thiazole, which is then hydrolyzed to obtain 4-methylthiazole.

 

Safety Information:

- 4-Methylthiazole is irritating and corrosive and can cause damage to the skin, eyes, and respiratory tract.

- Wear appropriate protective equipment when using and avoid contact with skin and eyes, and avoid inhaling their vapours or dust.

- Attention should be paid to fire and explosion prevention measures during operation and storage, and keep away from ignition sources and oxidants.

- Comply with relevant safe handling and handling practices during use to avoid hazards.


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