High quality 6-benzylaminopurine hydrochloride from Kindchem

6-benzylaminopurine hydrochloride

Chemical properties pure product is white acicular crystal. m.p.230 ~ 232℃(235℃), relative density 1.4, insoluble in water and general organic solvents, soluble in hot ethanol, slightly soluble in hot water, easily soluble in dilute acid, dilute alkali water solution. Stable in acid and base. Uses Highly effective plant cytokinin. It has good biochemical properties, promotes plant cell division, lifts seed dormancy, promotes seed germination, promotes lateral bud germination and lateral branch elongation, promotes flower bud differentiation, increases fruit setting, and inhibits protein and chlorophyll degradation. It can be used in the improvement of fruit type and variety, fresh storage of fruits and vegetables and increasing rice production. Spraying rice with 10 ~ 20mg/L liquid medicine can increase the yield by 10% ~ 15%, and Guangdong has used 50 ~ 400mg/L to spray rice. Used in apples to increase fruit size, volume and yield. For celery and coriander, it can inhibit leaf yellowing, inhibit chlorophyll degradation and increase amino acid content, with a concentration of 10mg/L. Production method Preparation Method 1 is synthesized from the by-product (I) of the production of ribavirin in industry. The production process is a three-step chemical reaction of hydrolysis, condensation and benzylamine. Hydrolysis (preparation of hypoxanthine). 1400mL3% salt Chemicalbook acid and 105g(I) reflux reaction for 8h, add 500mL10% sodium hydroxide solution, so that the pH value of 5 ~ 6. Gray-yellow solid was obtained by cooling, extraction and filtration, recrystallized with water, white powder solid (II) was obtained by activated carbon treatment, dry weight 83g. Condensation (preparation of pyridine salt intermediates). 6g(II) was dissolved in 125mL pyridine solution, followed by 8mL phosphorus oxychloride, and cooled in an ice bath. After drip, the reaction was continued at room temperature for 0.5h, that is, extraction and filtration, and (III) 7.85g was obtained after drying. Benzamination (synthesis of 6-BA). The intermediate salt (III) was placed in the reaction bottle, 30mL benzylamine was added, and the water bath was heated to 60-70 ℃ after dropping, the reaction was carried out for 3h, and the benzylamine was steamed to obtain 2.1g crude product (IV). During recrystallization, the crude product is dissolved with 1mol/L sodium hydroxide, the activated carbon is boiled and decolorized, and the hot filter is used. After cooling, the pH value is adjusted to 4-5, and white solid is precipitated. The reaction process of the above steps is as follows. Preparation method 2 Benzyl adenine is prepared by chlorination of hypoxanthine and then benzylamine hydrolysis. Preparation Method 3 Preparation method 4 is prepared by the direct reaction of adenine and chlorobenzene, but the 9-site substitution in the product is difficult to separate and purify.

Handling and Storage

Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Dry. Well closed. Separated from food and feedstuffs and strong oxidants. Store in an area without drain or sewer access.

Inhalation: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Get medical advice/attention if you feel unwell

Skin contact: Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If skin irritation or rash occurs: Get medical advice/attention.

Eye contact :Rinse cautiously with water for several minutes. Remove contact lenses, if present

Ingestion ： Get medical advice/attention if you feel unwell. Rinse mouth. Protection of first-aiders: A rescuer should wear personal protective equipment, such as rubber gloves and air tight goggles

DISPOSAL CONSIDERATIONS

Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when disposing of the substance.

REGULATORY INFORMATION

Safe management ordinance of dangerous chemical product (State Council announces on 27/07/2022):

Safe use and production, the storage of a dangerous chemical, transport, loading and unloading were prescribed.

Consignor: Kindchem(Nanjing)Co.,Ltd

Add:No.8-4,HongGuang Road Qinhuai District,Nanjing City,China,210006

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