Product Details
| Product Name: Catechin | CAS No.: 458-37-7 |
| EC-No.: 205-825-1 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/10/21 |
Technical Data Sheet (TDS)
Product Name: Catechin
Synonyms: (+)-Catechin, (-)-Catechin, Flavan-3-ol
Grade: Food & Industrial Grade
Appearance: Light to pale yellow crystalline powder
CAS Number: 154-23-4
Molecular Formula: C15H14O6
Molecular Weight: 290.27 g/mol
1. Product Description
Catechins are natural flavonoids widely found in tea leaves, cocoa, and various fruits. They possess strong antioxidant properties and are commonly used in the food, nutraceutical, pharmaceutical, and industrial sectors. Catechin can be applied as a dietary supplement, functional food ingredient, antioxidant additive, and in some industrial applications such as polymer stabilization.
2. Specifications
| Test Item | Specification |
|---|---|
| Assay (Catechin, HPLC) | ≥95% |
| Appearance | Light to pale yellow crystalline powder |
| Odor & Taste | Characteristic, slightly astringent |
| Loss on Drying | ≤5% |
| Heavy Metals (as Pb) | ≤10 ppm |
| Lead (Pb) | ≤5 ppm |
| Arsenic (As) | ≤3 ppm |
| Cadmium (Cd) | ≤1 ppm |
| Mercury (Hg) | ≤0.1 ppm |
| Total Plate Count | ≤1000 cfu/g |
| Yeast & Mold | ≤100 cfu/g |
| E. coli | Negative |
| Salmonella | Negative |
| Staphylococcus aureus | Negative |
Note: Specifications can be adjusted based on customer requirements and regulatory standards.
3. Physical and Chemical Properties
Solubility: Soluble in hot water and ethanol, slightly soluble in cold water, practically insoluble in non-polar solvents.
Melting Point: 175–180 °C
Optical Rotation: +7° to +11° (c=1, H2O)
pH (1% solution): 4.0–6.0
Stability: Stable under normal storage; sensitive to light, heat, and strong oxidants.
4. Applications
Food Industry:
Functional foods, dietary supplements, beverages (tea extracts, health drinks)
Natural antioxidant additive in oils, fats, and processed foods
Pharmaceutical & Nutraceutical Industry:
Antioxidant and cardioprotective ingredient in supplements
Component in skin-care and anti-aging formulations
Industrial Applications:
Antioxidant in polymer and rubber stabilization
Additive in coatings and metal surface protection
5. Packaging & Storage
Packaging: 1–25 kg kraft paper drums with inner polyethylene liner, or as per customer requirement.
Storage Conditions: Store in a cool, dry place away from light and moisture. Keep container tightly closed.
Shelf Life: 24 months under recommended storage conditions.
6. Safety & Handling
Avoid contact with eyes and skin.
Use appropriate personal protective equipment (PPE) such as gloves and mask when handling powder.
In case of contact with eyes or skin, rinse immediately with plenty of water.
Refer to the Safety Data Sheet (SDS) for detailed handling, transport, and disposal information.
7. Regulatory Compliance
Complies with FCC, USP, and ISO standards for food and pharmaceutical grade catechins.
Meets food additive and nutraceutical regulatory requirements in major markets.
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- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China

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