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a -Naphthylacetic acid(NAA) |
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| Specification: | ||
| - Chemical name: 2-(1-Naphthyl)acetic acid - CAS No: [86-87-3]  - Toxicology: cute oral LD50 for rats 1000-5900mg/kg; Acute dermal LD50 for rabbits>500mg/kg. Fish LC50 (96hours): rainbow trout 57 mg a.i./l; bluegill 82 mg a.i./l; กก carp(48 hous)590mg/l. - Description:..................................................White or yellow crystal - White crystal Content...........................95% and 98% - Mpoint..........................................................130-132C Application: - a -Naphthylacetic acid(NAA) is used widely in the agricultural, forest,vegetable,flowers,fruit trees and other fields to stimulate root formation in cuttings and impove setting in fruit;for prevent pre-heavest drop.Soak cuttings at 50-500ppm solution to promote and accelerate rooting of plant cuttings; Apply at 5-50ppm during blossoming n fruit trees for flower and fruit thinning;Apply at 10-30ppm during blossoming of melons for prevent premature flower; Apply at 5-50ppm in 2-3 weeks before harvest;soak seed of rice,wheat,corn and crops to promote growth of roots,make yong plants grow stronger,stimulate tillering,and finally increase yield. |
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