Kojic Acid Dipalmitate Bulk Price: How Buyers Should Compare 98% and 99% Quotes

Quick Answer

Kojic Acid Dipalmitate (KAD) bulk quotes should not be compared by price per kilogram alone. First confirm that each offer is actually Kojic Acid Dipalmitate, commonly supplied under CAS 79725-98-7, and that the product name, CAS number, supplier code, assay and analytical method are internally consistent. Current commercial pages can contain identity-field conflicts, so a low price is not useful until the material itself is verified.

For like-for-like KAD offers, normalize the stated assay. A 98% material contains 980 g of stated KAD per kilogram; a 99% material contains 990 g/kg. That is only about a 1.02% active-content advantage. If a 99% quote costs 20%, 50% or 100% more than a 98% quote, the extra premium is not explained by assay alone. The buyer should look for another verified difference: analytical control, batch documentation, identity confirmation, impurity profile, MOQ, packaging, lead time, stability evidence or supplier qualification. Marketplace display prices are discovery signals, not verified transaction prices.

Why Can Kojic Acid Dipalmitate Price per Kilogram Be Misleading?

Because public listings can mix different identities, specifications and commercial terms under similar product names. A buyer may see a 98% HPLC KAD page, a 99% cosmetic-grade KAD listing, a generic 'Kojic Acid Powder' page, and a marketplace result that uses KAD wording while showing the CAS number for Kojic Acid rather than Kojic Acid Dipalmitate. Those are not automatically comparable offers.

Before using any price in a sourcing sheet, verify:

• exact product name
• CAS number
• supplier product code or grade
• stated assay
• analytical method
• package unit
• MOQ
• quantity tier
• freight or Incoterm basis
• current COA/specification

If the identity fields conflict, pause the price comparison until the supplier clarifies the material.

What Did Public KAD Listings Show on September 18, 2026?

Public Alibaba pages reviewed on September 18, 2026 showed a very wide range of displayed KAD prices. Examples included 99% KAD offers around $15-35/kg, $35-42/kg and $55-70/kg with 1 kg minimum orders. Other results showed ranges such as $20-45/kg, $25-60/kg and $30-45/kg. At the high end, one listing displayed $150-200/kg for KAD with a 1 kg MOQ. That spread does not prove that the 'market price' runs from $15 to $200 per kilogram.

A marketplace number may represent:

• a starting price
• a quantity tier
• a promotional price
• a sample-oriented price
• a lead-generation figure
• a different specification
• a product with incomplete or inconsistent identity fields

Buyer action: record the verification date and label each public number as 'display price' until a supplier returns a quote for the exact KAD grade, quantity, packaging and delivery basis you requested.

Verify KAD Identity Before Comparing Price

The first price-control step is chemical identity. Authoritative KAD references identify Kojic Acid Dipalmitate as CAS 79725-98-7, formula C38H66O6 and molecular weight about 618.9 g/mol. TCI's K0050 reference product is specified above 98% by HPLC. Current supplier and marketplace pages do not always present those fields consistently. A name/CAS/formula conflict does not prove fraud, but it is a valid reason to stop the comparison and request the current specification, COA and product code.

Do not compare a KAD quote with a Kojic Acid quote simply because both use the word 'kojic.' Kojic Acid is a different molecule and has a different CAS number, molecular weight, solubility behavior and regulatory treatment.

How Much Stated KAD Is in 98% and 99% Material?

For like-for-like KAD materials:

Active grams per kg = 1000 × assay fraction

98% KAD = 980 g stated KAD per kg. 99% KAD = 990 g stated KAD per kg. The difference is 10 g of stated KAD per kilogram of material. That is a useful normalization step, but it does not prove equivalent impurity profiles, equivalent identity control or equivalent formulation performance.

How Do You Calculate Cost per Gram of Stated KAD?

Use:

Cost per gram of stated KAD = quoted price per kg ÷ active grams per kg

Hypothetical example A:

98% KAD quoted at $35/kg

$35 ÷ 980 ≈ $0.0357 per gram of stated KAD

Hypothetical example B:

99% KAD quoted at $42/kg

$42 ÷ 990 ≈ $0.0424 per gram of stated KAD

In this example, the 99% offer remains more expensive after active-content normalization. That does not make it a worse purchase. It means the buyer should identify what else the premium buys: stronger identity controls, better batch documentation, tighter impurity requirements, smaller MOQ, better packaging, faster lead time or another verified benefit.

How Much More Should 99% Cost Than 98% Based on Assay Alone?

If every other commercial and quality variable were identical, the assay-only break-even ratio is:

99 ÷ 98 ≈ 1.0102

So 99% material contains only about 1.02% more stated KAD than 98% material.

If a 98% offer costs $35/kg, an assay-only cost-equivalent 99% offer would be about:

$35 × 99 ÷ 98 ≈ $35.36/kg

If the actual 99% quote is $42/kg, the extra premium is not explained by the additional one percentage point of assay alone. This does not mean 99% should only cost 1.02% more. It means the buyer should be able to identify the additional specification, quality-control or commercial value that justifies the rest of the premium.

Why Can HPLC, COA and Identity Evidence Matter More Than 1% Assay?

Because a purity percentage is only one line in a specification.

For KAD, useful evidence may include:

• batch-specific COA
• actual HPLC result
• method or method reference
• product code
• structural identity evidence where used
• melting range where part of the specification
• appearance
• current specification
• TDS and SDS
• solubility or incorporation guidance

TCI's KAD reference, for example, includes HPLC purity, melting-point information and NMR structure confirmation. That does not make TCI's panel an industry standard. It demonstrates the kind of identity detail that may be available. A 99% listing with inconsistent identity fields or no batch documentation may create more qualification work than a clearly documented 98% offer.

Buyer action: compare evidence packages, not just percentages.

Should You Pay More Because a Supplier Says KAD Is 'More Stable'?

Not without condition-specific evidence. KAD is frequently marketed as a more stable derivative of Kojic Acid. However, stability is not a single universal property. A 2022 peer-reviewed study compared Kojic Acid and KAD under liquid oxidative stress induced with hydrogen peroxide. Under those tested conditions, KAD degraded more rapidly than Kojic Acid. The lesson is not that KAD is always less stable. The lesson is that a general 'more stable' claim is too vague to justify a sourcing premium.

Ask:

• What stress condition was tested?
• Was the test on raw material or a finished formulation?
• What solvent or emulsion system was used?
• What temperature, light and oxygen conditions were tested?
• What analytical method measured degradation?
• Is there data relevant to your own formulation?

How Do MOQ and Quantity Tiers Change the Real Purchase?

MOQ changes the amount of cash and inventory required to qualify a supplier.

Initial material spend = quoted price per kg × MOQ

Hypothetical example:

Supplier A: $30/kg, MOQ 25 kg -> $750 initial material spend. Supplier B: $42/kg, MOQ 1 kg -> $42 initial material spend. Supplier A has the lower unit price. Supplier B has the lower pilot commitment.

For R&D, sampling and early OEM/ODM work, that difference may matter more than the headline $/kg. For mature commercial purchasing, larger quantity tiers may become more important.

Ask separately for:

• sample quantity
• pilot MOQ
• commercial MOQ
• 1 kg / 5 kg / 25 kg / 100 kg price breaks
• package size
• lead time
• freight basis

Do not assume the lowest displayed price applies to the lowest MOQ.

What Should a KAD Quote Comparison Sheet Include?

Use one row per verified offer and keep technical and commercial fields separate.

Recommended columns:

• Supplier
• Product name
• CAS
• Product code / grade
• Assay specification
• Actual batch result
• Analytical method
• Identity evidence
• Quote currency
• Quote unit
• Normalized $/kg
• Active g/kg
• $/g stated KAD
• MOQ
• Initial order value
• Package size
• Freight / Incoterm
• Sample availability
• COA/spec/TDS/SDS status
• Stability evidence
• Lead time
• Quote validity Open questions

Keep marketplace display price and supplier-confirmed quote in separate columns. Keep specification and actual batch result in separate columns. This prevents a product page from being treated as if it were a batch certificate or a negotiated commercial quote. If the supplier cannot connect the stability claim to your use case, do not treat the marketing phrase as a quantified value driver.

Current KAD Sourcing Link

What Is an Alibaba Display Price Actually Telling You?

It tells you that a commercial offer is being presented at a particular moment.

It does not prove:

• the final transaction price
• the price for your quantity
• the landed price
• the exact batch quality
• the completeness of supplier documentation
• the validity of the product identity
• that the listing will still be active next month

Before an Alibaba offer is used on Ingredexa, save:

• raw product URL
• Product ID
• affiliate URL
• verification date

Then confirm that the raw product page is live, the sourcing link resolves to the intended Product ID, and the current product identity/specification still matches the article context.

KAD Price Comparison Checklist

1. Confirm the product is actually Kojic Acid Dipalmitate.
2. Match CAS 79725-98-7 where that identity is being supplied.
3. Resolve any name/CAS/formula/product-code conflict.
4. Record assay specification and actual batch result separately.
5. Record HPLC or other analytical method context.
6. Normalize 98% and 99% to active grams per kg.
7. Calculate cost per gram of stated KAD.
8. Check whether a large 99% premium is actually explained by evidence or commercial value.
9. Compare MOQ and initial cash commitment.
10. Compare package size, freight basis, lead time and quote validity.
11. Review COA, specification, TDS and SDS.
12. Ask for condition-specific evidence behind any 'more stable' claim.
13. Keep marketplace display price separate from confirmed supplier quote.
14. Verify Product ID and affiliate destination before publication or purchase.

For the ingredient-level distinction between Kojic Acid and KAD, see the Kojic Acid vs Kojic Acid Dipalmitate guide. For a broader three-active comparison, see Glabridin vs Alpha-Arbutin vs Kojic Acid Dipalmitate. Before ordering, verify that the destination still resolves to the intended product and that the current identity, purity, method, MOQ, price and documentation meet your requirements.

This is a current sourcing entry, not a permanent supplier ranking.

References

1. PubChem — Kojic Acid Dipalmitate, CID 15801174; CAS 79725-98-7.
2. Tokyo Chemical Industry — Kojic Acid Dipalmitate K0050; >98% HPLC and source-specific identity/specification fields.
3. Monajjemzadeh F, et al. Comparative Stability of Two Anti-hyperpigmentation Agents: Kojic Acid as a Natural Metabolite and Its Di-Palmitate Ester, Under Oxidative Stress. Advanced Pharmaceutical Bulletin. 2022;12(2):329-335. PMID: 35620332.
4. A rapid and reliable size-exclusion chromatographic method for determination of kojic dipalmitate in skin-whitening cosmetic products. Talanta. 2008;75(2):407-411.
5. Scientific Committee on Consumer Safety. Scientific Opinion on Kojic Acid, SCCS/1637/21. KAD and other Kojic Acid derivatives were not included in the opinion.
6. Alibaba public Kojic Acid Dipalmitate search/listing pages reviewed September 18, 2026. Display prices are dated marketplace observations, not verified transaction prices.
7. ChemicalBook - Kojic Acid Dipalmitate supplier/price records and identity reference, reviewed September 2026.