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Brassinolide 78821-43-9
Category : Agrochemicals/Plant growth regulator
CAS NO : 78821-43-9 EC NO : MF : C28H48O6 MW : 480.6771 Product description : Common Name: Brassinolide
Other names: Brassins,BR,Kayaminori
Chemical name: (22R,23R,24R,)-2a,3a,22,23-tetrahydroxy-24-methyl-B-homo-7-oxa-5a-cholestan-6-one)-lactone
Chemical family: Natural PGR & Plant extract
Molecule Formular: C28H46O6
Molecular weight: 480.68
Physical & chemical characteristics :
Appearance: White to yellowish power
Melting point: 274 degree
Solubility(20-25 degree): Solubility in water: 5mg/l; easily soluble in methanol, alcohol.
Poisoning symptoms: No report about human poisoning.
First aid: No specific antidote known. Treat symptoms.
Toxicological data:
Acute oral in rat : LD50>5000mg/kg
Acute dermal in rat : LD50>5000mg/kg
Use purpose: it is extracted from cole pollens &plant tissue, and apply to plant by sparying. Regulate the growth of plant. Best additive to folliar fertilizers, insecticides, fungicides, herbcides.
Versatile functions:
Nine Notable Functions of Natural BR as below:
1. Promoting growth, increasing yield, improving quality.
2. Increasing the percentage of fruit setting, promoting fruit ‘s enlarging.
3. Increasing burliness rate, increasing weigh of fruits per 1000 granules.
4. Improving the ability of cold resistance and drought resistance.
5. Improving the ability of disease resistance.
6. Regulating differentiation in issue culture.
7. Efficiently relieve harmful effect of pesticide, fungicides, herbcides.
8. Increasing activity and energy of seeds and germination percentage.
9. Effectively prolong the duration time of natural preservation and transportation of fruits, vegetables and flowes when applied 5-10days before harvest.
Applying to wheat, rice, corn, soybean and peanut:
Applying to vegetable:
Applying to fruit tree:
Applying to cotton:
Specification:
Technical grade(active ingredient grade): 90% powder, 80% powder, 20% liquid,10%liquid, 0.2%powder.
Formulations: 0.1% SP, 0.0075% SL.
Trade name: BR481
Usage table for 0.1% brassinolide soluble powder:
Caution:
1.Dissolving 0.1% brassinolide soluble powder with water of 50-60 degree then spraying can get better effect.
2.Don't spray .1% brassinolide soluble powder together with alkali pesticide and alkali substances.Unit Price/Payment:T/T in advanceTrademark:LXCHEMSynonyms : Brassinolide;24-Epibrassinolide;(3aS,5S,6R,7aR,7bS,9aS,10R,12aS,12bS)-10-[(2S,3R,4R,5S)-3,4-dihydroxy-5,6-dimethylheptan-2-yl]-5,6-dihydroxy-7a,9a-dimethylhexadecahydro-3H-benzo[c]indeno[5,4-e]oxepin-3-one;(3aS,5S,6R,7aR,7bS,9aS,10R,12aS,12bS)-10-[(2S,3R,4R,5R)-3,4-dihydroxy-5,6-dimethylheptan-2-yl]-5,6-dihydroxy-7a,9a-dimethylhexadecahydro-3H-benzo[c]indeno[5,4-e]oxepin-3-one;(3aS,5S,6R,7aR,7bS,9aS,12aS,12bS)-10-[(1S,2S,3R,4R)-2,3-dihydroxy-1,4,5-trimethylhexyl]-5,6-dihydroxy-7a,9a-dimethylhexadecahydro-3H-benzo[c]indeno[5,4-e]oxepin-3-one; Molecular Structure : 
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Brassinolide