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Manufacturer Synthetic Plant Hormone 1-Naphthaleneacetic Acid Naa 98%
1-Naphthylacetic Acid is a plant growth regulator with auxin-like activity. It can be absorbed via root, stem, or leaf. It is widely used in agriculture, forestry, vegetables, flowers, and fruits.


Naphthylacetic acid is used for cereal crops to increase tiller and heading rates. It reduces cotton bud drop, improves quality, promotes fruit tree blooming, prevents premature fruit drop, and enhances root growth. It has almost no toxicity against mammals and no adverse effect on public health.
| Chemical Name | 1-Naphthaleneacetic Acid (NAA) |
|---|---|
| Molecular Formula | C12H10O2 |
| Molecular Weight | 186.21 |
| CAS No. | 86-87-3 |
| Appearance | White crystal |
| Purity | 98% Min |
| PH | 3.0 - 5.0 |




| Sweet Potato: Soak base (3cm) in 10~20mg/kg solution for 6 hours. |
| Rice/Wheat: Soak roots or seeds in 10-20mg/kg solution for 1-12 hours. |
| Cotton: Foliar spray 10~20mg/kg during flowering period (2-3 times). |
| Root Promotion: Best used mixed with indole acetic acid for ideal seedling growth. |


| Standard Package | 1 kg/alu. Foil bag, 25 kg/drum |
| Under 45 KG | 5-7 days via Express (TNT, DHL, FEDEX) |
| More than 500 KG | 10-35 days by Sea |


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