Protocatechualdehyde-Shandong Huashang Chemical Co., Ltd.

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Protocatechualdehyde

Brand：HS

Model：25kg/drum

Purity：99%

Cas：139-85-5

Createtime： 2026-04-14
Updatetime： 2026-04-15

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Product Details

useage	Industrial use
deliveryInfo
appearance	powder
Molecular Weight	138.12
aliasen
supplyCapacity	50000MT/Month
harbor	Qingdao,China
minorder	1KG
Appearance	Brown crystalline powder

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

asic Information

Product Name: Protocatechualdehyde

Alias: 3,4-Dihydroxybenzaldehyde; Catechaldehyde; Protocatechuic aldehyde; Rancinamycin IV

CAS No.: 139-85-5

EINECS No.: 205-377-7

Molecular Formula: C?H?O?

Molecular Weight: 138.12 g/mol

Classification: Natural polyphenol compound, fine chemical, pharmaceutical raw material, biochemical reagent, antioxidant, antibacterial agent

Physical & Chemical Properties

Appearance: Brown crystalline powder, with characteristic odor

Density: 1.4±0.1 g/cm3

Melting Point: 150-157℃ (lit.)

Boiling Point: 295.4±20.0℃ at 760 mmHg

Solubility: 50 g/L in water at 20℃; soluble in ethanol, methanol and other organic solvents; stable in common solvents

Flash Point: 146.7±18.3℃

Purity: ≥98.0% (HPLC); ≥99.8% (analytical grade)

Storage Condition: Sealed, 4℃ under nitrogen protection; avoid high temperature, moisture and direct sunlight; keep container tightly closed

Main Uses

Pharmaceutical Field: Used as a natural polyphenol raw material with antioxidant, anti-aging and anti-inflammatory activities; inhibits the proliferation of ER-positive breast cancer cells; used in the research and development of anti-tumor, anti-inflammatory and neuroprotective drugs
Medical Research: Used as a biochemical reagent and standard substance for studying the mechanism of polyphenol compounds; applied in cell and animal experiments to explore antiproliferative, anti-neuroinflammatory and osteoclast differentiation inhibitory effects
Cosmetic Field: Used as an antioxidant and anti-aging ingredient, added to skin care products to scavenge free radicals, delay skin aging and inhibit melanogenesis
Other Fields: Used as an analytical standard for HPLC detection in pharmaceutical quality control; applied in the separation and detection of natural products; used as a raw material for the synthesis of related organic compounds

Specification Table

Item	Specification	Unit	Remarks
Product Name	Protocatechualdehyde	—	Abbreviation: PCA
CAS Number	139-85-5	—
Molecular Formula	C?H?O?	—
Molecular Weight	138.12	g/mol
Appearance	Brown crystalline powder	—	With characteristic odor
Purity	≥98.0	%	HPLC; analytical grade ≥99.8%
Melting Point	150-157	℃	lit. = literature value