© 2026 Bouling Chemical Co., Limited,
All Right Reserved
|
HS Code |
327311 |
| Common Name | Food Yellow No. 4 Aluminum Lake |
| Other Name | Tartrazine Aluminum Lake |
| Color Index | CI 19140:1 |
| Chemical Class | Azo dye |
| Appearance | Yellow powder |
| Solubility | Insoluble in water |
| 用途 | Food and pharmaceutical coloring agent |
| E Number | E102 |
| Cas Number | 12225-21-7 |
| Molecular Formula | C16H9N4Na3O9S2·xAl(OH)3 |
| Stability | Stable under normal conditions |
| Storage Conditions | Keep in tightly closed container, away from light and moisture |
As an accredited Food Yellow No. 4 Aluminum Lake factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Food Yellow No. 4 Aluminum Lake (25g, Sigma Aldrich grade) is a sealed amber glass bottle with clear labeling. |
| Shipping | Food Yellow No. 4 Aluminum Lake is shipped in tightly sealed, moisture-resistant containers to protect from light and humidity. Packaging complies with chemical safety regulations and labeling requirements. During transit, containers are handled with care to prevent damage or contamination, and material safety data sheets accompany all shipments for compliance and safety information. |
| Storage | Food Yellow No. 4 Aluminum Lake should be stored in a tightly sealed container in a cool, dry, and well-ventilated area. Protect it from moisture, direct sunlight, and incompatible substances. Keep away from strong acids and oxidizers. Label the container clearly, and follow standard laboratory safety protocols. Ensure storage is compliant with relevant safety regulations and guidelines from the supplier. |
Competitive Food Yellow No. 4 Aluminum Lake prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: sales7@bouling-chem.com
Flexible payment, competitive price, premium service - Inquire now!
