CAS No：504-17-6
Chemical Name：3,4-Dihydroxybenzaldehyde
Alias：Protocatechuic aldehyde
Molecular Formula：C?H?O?
Molecular Weight：138.12
HPLC Purity：≥99.0%
Loss on Drying：≤0.3%
Residue on Ignition：≤0.1%
Water Content：≤0.2%
Single Impurity：≤0.5%
Total Impurities：≤1.0%
Heavy Metals：≤10 ppm
IR Identification：Consistent with reference standard
Pharmaceutical intermediate for cardiovascular, antioxidant, anti-inflammatory drugs.
Natural standard for quality control of herbal medicines and supplements.
Organic building block for condensation, reduction, cyclization and coupling.
Cosmetic ingredient with antioxidant and free radical scavenging effects.
Analytical reagent for color reaction and metal ion detection.
Biochemical reagent for enzyme inhibition and cell research.
Storage：Sealed, cool, dry, strictly protected from light
General storage：Room temperature with nitrogen blanketing
Long-term storage：2～8 ℃, dark, dry conditions
Hazard：Low toxicity, slight irritation, easy oxidation
Protection：Wear dust mask, goggles and chemical gloves
Precautions：Avoid dust inhalation and skin/eye contact
Incompatible：Strong oxidants, acids, bases, air exposure
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