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ethyl protocatechuate
protocatechuic acid, ethyl ester

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CAS Number: 3943-89-3Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:223-529-0
Nikkaji Web:J208.318C
XlogP3:1.80 (est)
Molecular Weight:182.17550000
Formula:C9 H10 O4
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome or firefox)
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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JECFA Food Additive: Ethyl Protocatechuate
Physical Properties:
Appearance:whit to brownish yellow crystalline powder (est)
Assay: 98.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 132.00 to 135.00 °C. @ 760.00 mm Hg
Boiling Point: 357.00 to 358.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure:0.000010 mm/Hg @ 25.00 °C. (est)
Flash Point: 297.00 °F. TCC ( 147.00 °C. ) (est)
logP (o/w): 1.874 (est)
Soluble in:
 water, 1.412e+004 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor Description:at 100.00 %. phenolic
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
Santa Cruz Biotechnology
For experimental / research use only.
Protocatechuic acid ethyl ester ≥99%
Sigma-Aldrich: Aldrich
For experimental / research use only.
Protocatechuic acid ethyl ester 97%
For experimental / research use only.
Ethyl 3,4-Dihydroxybenzoate >98.0%(GC)(T)
Chemical Sources Association
Need This Item for Flavor/Food?: You can contact the Chemical Sources Association
Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
Category: antioxidants
Recommendation for ethyl protocatechuate usage levels up to:
 not for fragrance use.
Recommendation for ethyl protocatechuate flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
Env. Mutagen Info. Center:Search
NLM Developmental and Reproductive Toxicity:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :77547
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
ethyl 3,4-dihydroxybenzoate
 ethyl 3,4-dihydroxybenzoate
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):77547
Pubchem (sid):135034330
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2918.29.7500
VCF-Online:VCF Volatile Compounds in Food
RSC Learn Chemistry:View
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 found in nature
 benzoic acid, 3,4-dihydroxy-, ethyl ester
3,4-dihydroxybenzoic acid ethyl ester
3,4-dihydroxybenzoic acid, ethyl ester
 ethyl 3,4-dihydroxybenzoate
 protocatechuic acid ethyl ester
 protocatechuic acid, ethyl ester
None found
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