Fertibor Sodium tetraborate pentahydrate

Fertibor Product Technical Description

1、 Basic Product Information

Chemical name: Sodium tetraborate pentahydrate

Product Name: Fertibor

Molecular formula: Na ₂ B ₄ O ₇ · 5H ₂ O

Molecular weight: 291.29

CAS number: 12179-04-3

EINECS Number: 215-540-4

2、 Physical and chemical properties

Appearance: White crystalline powder with uniform particles

Density: 1.815 g/cm ³ (loose bulk density 1009 kg/m ³)

Melting point: 75 ℃ (dehydration begins, complete dehydration occurs at 122 ℃)

Solubility: Easy to dissolve in hot water, the aqueous solution is weakly alkaline (3.5% solution pH=9.23)

Stability: Stable in dry air, easy to absorb moisture in humid environments

3、 Production process and quality control

Raw material: Sodium tetraborate decahydrate (Na ₂ B ₄ O ₇ · 10H ₂ O) as raw material

Process: Refined by recrystallization, separated by centrifugation and dried to obtain pentahydrate

Purity standard: meets the organic certification requirements of the US Department of Agriculture

Packaging specification: 25kg/bag (moisture-proof composite woven bag)

4、 Core application areas

Agricultural fertilizers

Containing 15.0% boron, used as a long-lasting boron fertilizer

Suitable for base application and topdressing, with a long lasting fertilizer effect

Good dispersibility in soil, less likely to cause boron poisoning

Industrial raw materials

Glass manufacturing: reducing melting temperature and improving glass heat resistance

Metal processing: as a flux and solid lubricant

Ceramic Glaze: Improving Glaze Gloss and Adhesion

5、 Safety and Storage

Safety signs: S26 (rinse if in contact with eyes), S36 (wear protective clothing)

Storage conditions: Store in a cool and dry place, avoid contact with strong acids and oxidants

Transportation requirements: moisture-proof, anti damage, keep away from food and feed

6、 Product advantages

Solubility optimization: More soluble in water than traditional borax, suitable for foliar spraying

Environmental protection features: certified organic, environmentally friendly

Application convenience: granular physical form, easy to apply mechanically

7、 Typical application cases

Rice cultivation: used in Guizhou and other regions to prevent and control bacterial stripe disease, enhancing disease resistance by regulating crop boron nutrition

Economic crops: boron deficiency correction on fruit trees and vegetables to improve fruit setting rate