China China New Product Potassium Beta Hydroxybutyrate - Acryloyl chloride – MingXing Manufacture and Factory

China New Product Potassium Beta Hydroxybutyrate - Acryloyl chloride – MingXing

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China New Product Potassium Beta Hydroxybutyrate - Acryloyl chloride – MingXing Detail:

Quality index:

Appearance:Colorless Transparent Liquid

Content: ≥ 99%

Melting point 76 C

Boiling point 72-76 °C (lit.)

Density 1.119g

Vapor density > 1 (vsair)

Vapor pressure 1.93 psi (20 °C)

The refractive index is 1.435

Flash point 61 °f

Instruction:

It is mainly used in the synthesis of acrylates, acrylamides, and the intermediate of antifogging agent I

Organic synthesis intermediates. Monomer of polymer compound.

Acryloyl chloride is an organic compound with active chemical properties. Due to the carbon carbon unsaturated double bond and chlorine atom group in the molecular structure, it can produce many types of chemical reactions, and then derive a variety of organic compounds. Generally speaking, acryloyl chloride can be used as a widely used intermediate material in organic synthesis, so its reprocessing margin is large. If acryloyl chloride is reacted with acrylamide, n-acetylacrylamide with important industrial value can be prepared.

Production method:

acrylic acid and phosphorus trichloride are reacted, the molar ratio of acrylic acid and phosphorus trichloride is 1:0.333, the two are mixed and heated to boiling. Slowly cool the reaction mixture to 60-70 ℃. The reaction time was 15 min, and then the reaction time was 2 h at room temperature. The reaction product was obtained by distillation of heavy fraction under reduced pressure (70-30 kPa). The yield was 66%.

Matters needing attention:

Category: flammable liquid; toxicity classification: poisoning

Rats inhaled LCLo: 25 ppm / 4H. Mice inhaled LC50: 92 mg / m3 / 2H.

After inhaling 370mg / m ^ 3 (100ppm) for 2 hours, the rats developed drowsiness, dyspnea and pulmonary edema; after inhaling 18.5mg/m ^ 3 for 5 hours, 5 times, the rats developed eye irritation, dyspnea and drowsiness; three of the four rats died 3 days after the end of the experiment, and pneumonia was found in anatomy; after inhaling 9.3mg / m ^ 3 for 6 hours, 3 times, one of the eight rats died, and lung swelling, pulmonary edema and inflammation were found in autopsy. Inhalation of 3.7 mg / m ^ 3, 6 hours, 15 times, no signs of poisoning, anatomy showed normal viscera

Irritation data: skin rabbit 10mg / 24h; eye rabbit 500mg moderate.

Dangerous characteristics of explosives: explosive when mixed with air

Flammability hazard characteristics: flammable in case of open fire, high temperature and oxidant; toxic chloride smoke generated by combustion; toxic hydrogen chloride gas decomposed in case of heat.

Storage and transportation characteristics: the warehouse is ventilated and dry at low temperature; it is stored separately from oxidants, acids and alkalis.

Extinguishing agents: dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent.

Packing: 50kg / drum.

Annual capacity: 200 tons / year

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