BRASSINOLIDE
Commercial name:Brassinosteroids, Brassinolide
English name:Brassinolide;BR
Chemical name:(22R、23R、24R) -2ɑ 、3ɑ、22、23-tetrahydroxy - β -homogeneous - ɑ - 5 -7 -oxygen ergot sterane - 6 - ketone
Molecular formula:C29H50O6
Structural formula:
Relative molecular weight:494
PHYSICOCHEMICAL PROPERTY
Appearance: White crystal powder,Melting point of 256 -258°C, the water solubility of 5mg/L,soluble in methanol,ethanol, chloroform and other organic solvents,pH value is 5.4 .
Toxicity: low toxicity to humans and animals. Acute oral LD50> 2000mg / kg , acute dermal LD50> 2000mg/kg, fish poisoning is very low

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