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55933-94-3

55933-94-3

Identification

Synonyms:2(1H)-Pyridinone,3,5,6-trichloro-, hydrazone (9CI); 2,3,5-Trichloro-6-hydrazinopyridine;3,5,6-Trichloro-2-hydrazinopyridine

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Safety information and MSDS view more

  • Signal Word:no data available

  • Hazard Statement:no data available

  • First-aid measures: General adviceConsult 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.

  • Fire-fighting measures: Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: 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. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

  • Exposure controls/personal protection:Occupational Exposure limit valuesBiological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards

Supplier and reference price view more

  • Manufacture/Brand
  • Product Description
  • Packaging
  • Price
  • Delivery
  • Purchase
  • Manufacture/Brand:TRC
  • Product Description:2,3,5-trichloro-6-hydrazinylpyridine
  • Packaging:50mg
  • Price:$ 45
  • Delivery:In stock
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  • Manufacture/Brand:Labseeker
  • Product Description:1-(3,5,6-trichloropyridin-2-yl)hydrazine 95
  • Packaging:2g
  • Price:$ 1833
  • Delivery:In stock
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  • Manufacture/Brand:American Custom Chemicals Corporation
  • Product Description:1-(3,5,6-TRICHLOROPYRIDIN-2-YL)HYDRAZINE 95.00%
  • Packaging:5MG
  • Price:$ 495.18
  • Delivery:In stock
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Relevant articles and documentsAll total 2 Articles be found

Method for synthesizing 2, 3, 5-trichloropyridine

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Paragraph 0008; 0027-0028; 0030-0031; 0033-0034; 0036-0037, (2019/01/07)

The invention discloses a method for synthesizing 2, 3, 5-trichloropyridine. The method mainly comprises: (1) synthesis of 2, 3, 5-trichloro-6-hydrated hydrazinyl pyridine: adding hydrazine hydrate and a reaction solvent into 2, 3, 5, 6-tetrachloropyridine as a raw material, carrying out a reaction process at a certain temperature for some time and carrying out treatment to obtain 2, 3, 5-trichloro-6-hydrated hydrazinyl pyridine, and (2) reaction of 2, 3, 5-trichloro-6-hydrated hydrazinyl pyridine and a sodium hypochlorite aqueous solution in an alkaline environment at a certain temperature for a certain period of time, then treatment and reduced pressure distillation. The method has the advantages of low reaction raw material price, no high toxic, no irritation, small three waste amount,environmentally friendly processes, relatively thorough reaction, simple process control and high product yield.

Process route upstream and downstream products

Process route

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

3,5,6-trichloro-2-hydrazinopyridine
55933-94-3

3,5,6-trichloro-2-hydrazinopyridine

Conditions
Conditions Yield
With hydrazine hydrate; In methanol; at 60 - 65 ℃; for 2h; Temperature; Green chemistry;
96%
With sodium carbonate; hydrazine hydrate; butan-1-ol; In water; at 90 - 95 ℃;
3,5,6-trichloro-2-hydrazinopyridine
55933-94-3

3,5,6-trichloro-2-hydrazinopyridine

Conditions
Conditions Yield
2,3,5,6-Tetrachlorpyridin, Hydrazinhydrat; S.896;
3,5,6-trichloro-2-hydrazinopyridine
55933-94-3

3,5,6-trichloro-2-hydrazinopyridine

2,3,5-trichloropyridine
16063-70-0

2,3,5-trichloropyridine

Conditions
Conditions Yield
95%
With sodium hypochlorite; sodium hydroxide; In water; at 70 - 75 ℃; for 1h; Green chemistry;
95%
93%
84%
23%
With N-benzyl-N,N,N-triethylammonium chloride; dihydrogen peroxide; sodium hydrogencarbonate; In water; toluene;
With N-benzyl-N,N,N-triethylammonium chloride; dihydrogen peroxide; sodium hydroxide; In water; at 70 - 75 ℃; Reagent/catalyst; Large scale;
339 kg
With sodium hydroxide; sodium hypochlorite; In toluene;
3,5,6-trichloro-2-hydrazinopyridine
55933-94-3

3,5,6-trichloro-2-hydrazinopyridine

2,3,5-trichloro-4-hydrazino-pyridine
55933-95-4

2,3,5-trichloro-4-hydrazino-pyridine

2,5 dichloropyridine
16110-09-1

2,5 dichloropyridine

Conditions
Conditions Yield
With sodium hydroxide; In ethanol; water;

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