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We offer the best product range of 28-homobrassinolide, Acesulfame Potassium, Urea Fertilizer, natural organic chitosan oligosaccharide agricultural grade fertilizer powder and Borax Anhydrous.
28-homobrassinolide
CAS NO.: 82373-95Formulation: 90%TC, 0.01%SP, 0.1%SP, 0.1%SLChemical name: (22R, 23R, 24S)-2a, 3a, 22, 23-tetrahydroxy-24-methyl-B-homo-7-oxa-5a-cholestan-6-oneChemical Formula: C28H48O6Molecular Weight: 480.7
Physical and Chemical Properties 28-homobrassinolide is white crystal, Melting point: 225-258; The solubility in water is 5mg/L, can dissolve in methanol, ethanol, THF and acetone etc.
Function and characteristic
28-homobrassinolide can increase the activity of RNA
polymerase and content of RNA, DNA; Increase the activity of membrane potential and ATP enzyme; Strengthen auxin effect.
1Promote the growth of root system and seedings;
2Promote vegetative growth;
3Promote reproductive growth;
4Increase crop resilience.
Application The dosage of 28-homobrassinolide is very low, and it can be made SP, AS, EC etc. Common dosage: 0.01%, 0.1%SP, 0.01% EC, 0.01%, 0.1% AS. 28-homobrassinolide can used foliage spray, drip irrigation or with water soluble fertilizer. Recommend dosage: foliage spray 0.01-0.1 mg/L; drip irrigation 0.01-0.05 g (a.i)/mu; With water soluble fertilizer 0.05-0.5 g (a.i)/mu
| Testing Item | Standard | Result |
| Appearance | White crystalline granular | White crystalline granular |
| Assay | 98.0-102.0 % | 99.20 % |
| Specific Rotation []D20 | +14.50+16.50 | +15.20 |
| Loss on Drying | 4.50 % | 2.71 % |
| Residue On IgnitionSulphate Ash | 0.20 % | 0.06 % |
| pH (0.8% w/v in water) | 4.50 - 6.00 | 5.24 |
| Diketopiperazine (DKP)5-benzyl-3.6-dioxo-2-Piperazineacetic acid | 1.5 % | < 1.5 % |
| Other Related impuritiesChromatographic purity | 2.0 % | < 2.0 % |
| Transmittance | 0.95 | 0.992 |
| Heavy Metals (as Pb) | 10 mg/kg | < 10 mg/kg |
| Arsenic (as As) | 3 mg/kg | < 3 mg/kg |
| Lead | 1 mg/kg | < 1 mg/kg |
| Residual Solvents | Meet the requirements | Conform |
| Particle Size | 20-60 Mesh | Conform |
Additional Information:
Payment Terms : T/T
Technical Details
| Ammonium Sulphate CAS7783-20-2 China agriculture grade/powder/steel grade granular/caprolactum grade | |||
| Ammonium sulphate Granular | Ammonium Sulphate Caprolactum Grade | Packaging Details: 1. packaed in 9.5KG/25KG/50KG PP woven bag with PE liner; 2. packaged in 500kg/1000kg/1250kg jumbo bag lined with PE bags inside; 3. packaged customizedly as per clients' request | |
| Items | Standard | Standard | |
| Appearance | White Granular | White Crystalline | |
| N | 20.5%min | 21%min | |
| S | 23.5%min | 24%min | |
| Fe | -- | 0.007%max | |
| As | 0.0002%max | 0.0005%max | |
| Moisture | 1.5%max | 1.0%max | |
| Free acid | 0.3%max | 0.05%max | |
| Water insoluble matter | -- | 0.02%max | |
| ITEMS | ANALYSIS |
| Form | Light yellow powder |
| Mol.wt.Da | 1610 |
| Chito Oligo. | 90% |
| Moisture% | 10.0% |
| Ash Content% | 1.0% |
| Insoluble Substance%Water | 0.5% |
| PH | 5.0-7.0 |
| Arsenicppm | 0.5 |
Additional Information:
Payment Terms : T/T
