Product Details
| Product Name: Genistein | CAS No.: 446-72-0 |
| Min. Order: 1ton | Purity: 99% |
| Supply Ability: 1000T/M | Release date: 2025/10/21 |
Technical Data Sheet (TDS) – Genistein
Product Name: Genistein
Botanical Source: Glycine max (Soybean) / Other Legumes
CAS Number: 446-72-0
Synonyms: Soy Isoflavone, 5,7,4'-Trihydroxyisoflavone
Grade: Food & Industrial
1. Product Description
Genistein is a naturally occurring isoflavone extracted from soybeans and other leguminous plants. It is a yellow to light brown crystalline powder with characteristic odor and bitter taste. It is widely used in nutraceuticals, functional foods, dietary supplements, and as an intermediate in pharmaceutical and industrial applications.
2. Physical & Chemical Properties
| Property | Specification |
|---|---|
| Appearance | Yellow to light brown crystalline powder |
| Odor | Characteristic |
| Taste | Bitter |
| Solubility | Slightly soluble in water, soluble in ethanol and DMSO |
| Particle Size | 100% pass 80 mesh |
| Moisture (Loss on Drying) | ≤ 5% |
| Ash Total | ≤ 1% |
| pH (1% solution) | 5.0 – 7.0 |
| Storage Stability | Stable for 24 months under recommended conditions |
3. Identification
(1)HPLC: Retention time matches Genistein reference standard
(2)UV: Characteristic absorption peak
(3)IR: Functional groups match reference standard
4. Assay (Genistein Content)
| Test Item | Specification | Result Example | Test Method |
|---|---|---|---|
| Genistein | ≥ 98% | 98.2% | HPLC |
5. Purity & Impurities
| Item | Specification | Result Example |
|---|---|---|
| Loss on Drying | ≤ 5% | 3.1% |
| Ash Total | ≤ 1% | 0.7% |
| Heavy Metals (Total) | ≤ 10 ppm | 4 ppm |
| Lead (Pb) | ≤ 2 ppm | 0.8 ppm |
| Arsenic (As) | ≤ 1 ppm | 0.1 ppm |
| Cadmium (Cd) | ≤ 1 ppm | 0.05 ppm |
| Mercury (Hg) | ≤ 0.1 ppm | <0.05 ppm |
| Residual Solvents | Comply with USP / EP limits | Complies |
6. Microbial Limits (Food Grade Only)
| Item | Specification | Result Example |
|---|---|---|
| Total Plate Count | ≤ 1000 CFU/g | 200 CFU/g |
| Yeast & Mold | ≤ 100 CFU/g | 15 CFU/g |
| E. coli & Salmonella | Negative | Negative |
7. Applications
Food & Nutraceuticals:
(1)Functional foods and beverages
(2)Dietary supplements and capsules
(3)Soy-based nutraceutical products
Industrial & Pharmaceutical:
(1)Intermediate for synthesis of pharmacological compounds
(2)Research and development for cardiovascular, hormonal, and cancer-related studies
(3)Cosmetics and topical formulations
8. Packaging
| Packaging Type | Net Weight |
|---|---|
| Paper drum with double-layer PE bag | 25 kg/drum |
| Customized packaging available | On request |
9. Safety & Handling
(1)Avoid inhalation of dust
(2)Avoid contact with eyes and skin
(3)Use in well-ventilated area
(4)Refer to SDS for detailed safety information
10. Shelf Life
(1)24 months when stored in original, unopened packaging under recommended conditions
Conclusion: This Genistein batch meets the specifications for food-grade and industrial-grade applications.
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- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China

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