What is Sodium Copper Chlorophyllin and its Benefits?

Sodium copper chlorophyllin powder (CAS No. 11006-34-1) is a water-soluble semi-synthetic derivative of natural chlorophyll obtained by replacement of the central magnesium ion of the chlorophyll porphyrin ring with copper and transformation of the ester groups to sodium salts. It is made from mulberry leaves and clover and yields a stable emerald green colour resistant to heat, light and changes in pH, conditions under which native chlorophyll is swiftly destroyed. This chemical solves the major formulation problem for food, pharmaceutical and cosmetic manufacturers: uniform, bright green colour with functional benefits such as antioxidant properties and odour neutralisation.

Understanding Sodium Copper Chlorophyllin Powder

Chemical Identity and Production Process

Natural chlorophyll is considered to be weak and attracts lipids. The magnesium core moves when it is exposed to temperatures over 75 °C, UV radiation or acidic environments. This makes pheophytin, a drab brownish-olive colour, indicating the substance is decomposing. This is corrected by the procedure of copper replacement. The alkaline saponification of the chlorophyll taken from the plants removes the phytol chains and replaces the labile magnesium atom with copper, forming a metalloporphyrin complex with significantly improved thermal and photostability. The produced dark green powder has a colour value at 568 nm, an extinction ratio of 3.0–4.0 and a purity percentage of ≥98.5% and is a dependable, analytically verifiable pigment for commercial usage.

Regulatory Classification and Grade Distinctions

In the US, copper chlorophyllin is permitted by the FDA as a colour addition in certain food categories (21 CFR 73.125). Internationally, it is assigned the number E141(ii) under EU food colourant rules, but limits exist for its use in certain product categories. Food grade variations require adherence to standards such as GB 26406-2011 whereas pharmaceutical grade material requires stricter control of heavy metals (≤10 ppm) and microbiological characteristics. Always request MSDS and a full Certificate of Analysis (COA) when evaluating a new supplier. Cross reference purity, pH range (9.0-11.0) and loss on drying (≤5.0%) against specification documents.

Benefits and Applications of Sodium Copper Chlorophyllin Powder

The chemical is good for producers for a whole lot more than just adding colour. It can be used for colouring, odour control, as an antioxidant and as a mild bacteriostat - a combination not often accessible from one ingredient of natural origin.

The principal application fields in which this sodium copper chlorophyllin powder combination offers quantifiable benefit are:

• Food & Beverage Colouring: The pigment does not undergo browning during pasteurisation, retort sterilisation or lengthy shelf storage. Synthetic dyes give a consistent green colour from batch to batch that natural plant extracts have not historically been able to deliver, which is beneficial for isotonic drinks, ice cream, chewing gum and jellies.
• Pharmaceutical and Nutraceutical Formulations Antimutagenic activities of chlorophyllin derivatives have been reported as potent in clinical studies published in Food and Chemical Toxicology (2001). The chemical is employed in internal deodorant supplements, wound-healing ointments and ostomy care formulations where odour neutralisation has therapeutical significance.
• Oral Care and Cosmetics: This pigment is used in natural toothpastes, mouthwashes, anti-acne skin care and colour cosmetics for aesthetic and practical purposes. Its modest bacteriostatic activity supports product claims in oral hygiene applications without the irritancy profile of synthetic antimicrobials.

Together, these applications highlight why this substance is regarded as a workhorse, rather than a speciality niche additive. When formulation engineers ensure colour value constancy from batch to batch at 568 nm, they eliminate the principal source of quality complaints downstream – noticeable colour shift on finished product lines.

Comparing Sodium Copper Chlorophyllin Powder with Other Chlorophyll Products

Copper Complex vs. Natural Chlorophyll

Natural chlorophyll powder has the magnesium core and phytol chain which makes it oil soluble and naturally unstable in aqueous, hot or acidic conditions. Water soluble and heat stable sodium copper chlorophyllin powder does not induce sedimentation or browning in beverage and gel matrices. For manufacturers operating high temperature processing lines, the copper complex is the technically viable alternative.

Powder Form vs. Liquid Extract

Liquid chlorophyllin solutions are convenient for small scale blending but carry microbiological risk, reduced shelf stability and increased freight costs per unit of active pigment. The powder has a shelf life of 24 months if stored in sealed containers, sheltered from light and in a cool and dry environment, giving a procurement advantage in inventory planning.

Sodium Copper vs. Sodium Iron Chlorophyllin

Sodium iron chlorophyllin (chlorophyllin-iron complex) is occasionally touted as a rival green pigment. But it also has greater raw material costs, more convoluted regulatory processes in some jurisdictions and a limited colour profile. The copper version is still the most used in commercial food and personal-care markets around the world.

Procurement Guide for Sodium Copper Chlorophyllin Powder

Just looking at catalogue listings is not enough to find a dependable source. The following principles safeguard supply chain integrity and formulation performance:

• Certification Verification: Seek out vendors with HACCP, ISO 22000 and FDA facility registration They show that production is being managed by quality systems, not merely by testing finished product.
• COA Interpretation: The COA should be reliable and demonstrate content ≥98.5%, extinction ratio between 3.0–4.0, heavy metals ≤10 ppm and pH solubility between 9.0–11.0. For formulation engineers concerned with colour constancy, the batch to batch colour value at 568nm is the most important metric.
• Source Transparency: The two known plants used in commercial manufacturing are mulberry leaf and clover. Supplier disclosure of raw material origin allows for verification of downstream clean-label and non-GMO claims.
• Inventory and Lead Time: Manufacturers who reorder on a monthly or quarterly basis must have ready stock availability. Local warehouse stock may be available. Make sure to check before committing to a supplier, especially for first trial volumes of 25–100 kg.

The shift from sample comparison to repeat purchase often takes between two and eight weeks. Find a supplier of sodium copper chlorophyllin powder with whom you can lock in your reference colour standard so you can forget requalification, which eats up engineering resources.

Making the Right Choice for Your Business

Procurement decisions for a pigment of this formulation impact should be based on a balance between analytical performance and supply reliability. Purity, extinction ratio uniformity and regulatory compliance are non-negotiable baselines. A productive supplier relationship extends beyond requirements to include the ability to get samples immediately, full access to paperwork (including MSDS, COA and origin declarations) and the flexibility to scale from trial to bulk without surprises in lead-time. As clean-label manufacturing trends grow, there remains demand for nature-derived colourants that can survive industrial processing – an area where sodium copper chlorophyllin powder is still technically better than most alternatives.

Conclusion

Sodium copper chlorophyllin powder occupies a category all its own in the industrial formulation spectrum. It provides the eye appeal of natural green pigmentation combined with the processing durability that manufacturers really need. It has a functional profile of persistent colouration at 568 nm, water solubility, antioxidant activity and deodorising qualities that make it relevant to food, pharmaceutical, oral care and cosmetic categories. Purchasing from a certified, specification-transparent supplier minimises colour variability as a manufacturing risk and simultaneously enables regulatory compliance and clean-label positioning.

FAQ

1. Is sodium copper chlorophyllin powder safe for food applications?

Yes. In the U.S., the FDA permits its use as a food color additive under 21 CFR 73.125. It also holds E141(ii) status in the EU, subject to category-specific usage limits. Compliant material produced under GB 26406-2011 meets both domestic and major export market standards.

2. Why does the pigment precipitate in low-pH beverages?

The copper-chlorophyllin complex is stable in alkaline to neutral conditions (pH 9.0–11.0) but can acid-precipitate below pH 6.0. Formulators working with acidic beverage matrices should incorporate appropriate buffering agents or encapsulation strategies to maintain clarity and color homogeneity.

3. What is the recommended storage condition?

Store in airtight, light-protected containers in a cool, dry environment below 25°C. Under these conditions, a properly packaged dark green powder maintains its color value and purity for up to 24 months.

4. Is it considered natural or synthetic?

It is classified as semi-synthetic or nature-derived (E141ii). The starting material is natural plant chlorophyll; however, the molecular structure is chemically modified to replace magnesium with copper, which disqualifies it from "certified organic" labeling in most jurisdictions.

5. How does it differ from spirulina-based green colorants?

Spirulina provides a blue-green hue via phycocyanin, which is inherently heat-labile. Sodium copper chlorophyllin powder delivers a deeper, more saturated emerald green with significantly better thermal stability, making it better suited to high-temperature processing applications.

Partner with Pioneer Biotech for Premium Sodium Copper Chlorophyllin Powder Supply

Pioneer Biotech has manufactured certified herbal extracts and functional pigments since 2012, operating from a 7,000 m²+ GMP facility in Hanzhong, China. Our sodium copper chlorophyllin powder supplier capabilities include ready stock inventory, free gift samples, full paperwork support, and HACCP/ISO 22000/FDA-registered production. Reach our technical team at sales@pioneerbiotech.com or visit pioneerbioinc.com to request a COA, bulk quote, or product brochure.

References

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2. Kephart, J. C. — Economic Botany, 1955.

3. Tachino, N., et al. — Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis, 1994.

4. Simonich, M. T., et al. — Food and Chemical Toxicology, 2007.

5. Egner, P. A., et al. — Cancer Prevention Research, 2001.

6. European Food Safety Authority (EFSA) — EFSA Journal, 2015.