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Cosmetic ingredient (INCI)

3,4-Dihydroxybenzoic Acid

Used in cosmetic products as skin protecting. 3,4-Dihydroxybenzoic acid.

The chemical behind this ingredient

Structure, properties, safety data and price information live on the chemical page.

Protocatechuic acid chemical structure, C7H6O4, CAS 99-50-3
Protocatechuic acid
CAS 99-50-3C7H6O4
121 suppliers
Protocatechuic acid

IUPAC name: 3,4-dihydroxybenzoic acid

  • 2D structure and identifiers
  • Measured and computed properties
  • GHS safety summary
  • Suppliers, prices and trade data

3,4-Dihydroxybenzoic Acid suppliers

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Frequently asked questions

What is 3,4-Dihydroxybenzoic Acid used for in cosmetics?

3,4-Dihydroxybenzoic Acid is used in cosmetic products as skin protecting. 3,4-Dihydroxybenzoic acid.

Is 3,4-Dihydroxybenzoic Acid restricted in cosmetics in the EU?

No EU restriction annex is recorded for 3,4-Dihydroxybenzoic Acid in our records. Rules change and differ by market, so always check the current regulation before you formulate.

What is the CAS number of 3,4-Dihydroxybenzoic Acid?

3,4-Dihydroxybenzoic Acid is listed with CAS number 99-50-3 and EC number 202-760-0.

Where can I buy 3,4-Dihydroxybenzoic Acid?

8 suppliers list Protocatechuic acid on CompoundList. Compare them below or post a buy request with your grade and quantity.