乙腈

Formula - CH3CN

Molecular Weight - 41.05

SPECIFICATIONS

Acetonitrile:99.9wt% Min.
Acidity(as Acetic Acid):50 ppm Max.
Acrylonitrile:3 ppm Max.
Acetone:5 ppm Max.
Hydrocyanic acid:10 ppm Max.
Free ammonia:6 ppm Max.
Moisture:0.05wt% Max.
Iron/Copper:0.1 ppm Max.
Color (APHA-Pt/Co):10
Propionitrile:300 ppm Max.
Allyl Alcohol:30 ppm Max.
Specific Gravity (20oC/20oC):0.782~0.785
Boiling Range (Distillation Range):80oC~82oC

Physical Properties

Description:Colorless, limpid liquid with ethereal like odor, poisonous!
Appearance:Clear and free from
pH , @5% aqueous solution:6.0─7.5
Freezing point:-45.7oC
Boiling point:81.6oC
Vapor pressure at 20oC:73mmHg
Flsah point:5.5oC
Solubility:Highly soluble in water and alcohol.
Odor:Ether odor

Application

In petroleum processing industry.
Specialized solvent esppecially for extractive distillation, recrystallation, pinning solvent,etc.
In chemical manufacturing for the preparation etc.
In fat and oil processing as a separating solvent.
In organic synthesis of Vitamin B1, Sulfa pyrimidine and other pharmaceuticals intermediates.

Characteristics

Volatile, inflammable liquid and explosive vapor.
This material is a moderately toxic liquids.
Stable under ordinary conditions of use and storage.

Safety Precaution

Must be stored in a sufficient exhaust ventilation area.
Avoid breathing vapors.
Any contact may cause skin irritation.
Keep away from fire.
Flush with planty of water for at least 15 min.
Packing : Packed in 53 gal iron drum. 24m3 ISO- Container.

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