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Gibberellic Acid 902 |
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| Specification: | ||
| - Chemica name: (3S,3aS,4S,4aS,7S,9aR,12S)-7,12-dihydroxy-3-methyl-6-methyllene-2-oxoperhydro-4a,7-methano-9b, 3-propeno[1,2-b]furan-4-carboxylic acid. - CAS No: [77-06-5]  - Content:...............90%min. - Physical and chemical properties: Its pure product is white crystallines with a melting point of 233~235C decomposition. It is soluble in alcohols acetone, ethyl acetate, butyl acetate etc. It is insoluble in petroleum ether benzene and chloroform. The water solution of the product is the most stable at PH3~4. The product can't be decomposed in dry condition and it is rapidly decomposed in hot condition and in chlorine. - Bioactivitiles: The most significant bioactivity of the product is to stimulate elongation of plant cell, to make the plant tall and to make leaves large. The product can break dormancy of seeds, tuber and root tuber to promote their sprouting, to stimulate fruit growing to increase the percentage of fruiting or to form seedless fruit. It can be used instead of low temperature to promote the plants which need low temperature in their fertile stage to form flower buds ahead of time and can also be used instead of long daylight to make some plants to bloom in short daylight. - Toxicity: It has very low toxicity to animals. - Precautions: 1. The powder of gibberellin is insoluble in water, thus should be dissolved previonsly by a little of alcohol then diluted with water to required concentration. 2. The product can be mixed with acidic pesticides but not with basic pesticides otherwise it would be inactivated. 3. The prepared water solution of the product should not be stored for a long time to avoid the reduction of activity. 4. The product can not be heated since it may be inactivated when temperature is over 50C. 5. The product should be kept it a low temperature and dry place. 6. The product will be toxic if taken orally. wash immediately if the powder of product splashes into eyes. - Availability: Two years |
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