Protocatechuic acid
Article No.: 89766
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Chemical-physical Data
CAS Number
99-50-3
Molecular Formula
C7H6O4
Molecular Weight (g/mol)
154.12
Synonyms
3, 4-Dihydroxybenzoic acid
Substance Class
Subclass 1
Specifications and Notes
Certification Scope
Protocatechuic acid reference substance is a primary reference standard with certified absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities).
Certificate of Analysis
Storage Conditions
15-25 °C
Delivery Time
usually a stock item
Safety and Transport
GHS Symbols
Hazard Statements
H315,H319,H335
Precautionary Statements
P261a, P280b, P305+P338+P351, P313+P332, P313+P337, P501a
Dangerous Goods
no
Safety Data Sheet
Transport Conditions
ambient conditions
Customs Tariff Code
29182900
Commodity Description
carboxylic acid with phenol function
Occurrence
Occurrence (botanical genus)
Achyrocline sp., Alchornea sp., Allium sp., Anacardium sp., Arctostaphylos sp., Calendula sp., Calluna sp., Carum sp., Casuarina sp., Centaurium sp., Cicuta sp., Cinnamomum sp., Coccinia sp., Consolida sp., Curcuma sp., Cyamopsis sp., Cinnamomum sp., Ephedra sp., Fagopyrum sp., Fallopia sp., Foeniculum sp., Fraxinus sp., Ginkgo sp., Globularia sp., Helichrysum sp., Heterotheca sp., Humulus sp., Illicium sp., Iris sp., Lavandula sp., Melilotus sp., Melissa sp., Musa sp., Olea sp., Ononis sp., Origanum sp., Persicaria sp., Phyllanthus sp., Pimpinella sp., Pinellia sp., Piper sp., Potentilla sp., Punica sp., Rosmarinus sp., Satureja sp., Scrophularia sp., Sesamum sp., Spigelia sp., Syzygium sp., Tanacetum sp., Thymus sp., Tilia sp., Vaccinium sp., Verbascum sp., Viola sp., Viscum sp.