4-Hydroxy-3,5-dimethoxycinnamic acid
Synonym(s):3,5-Dimethoxy-4-hydroxycinnamic acid;4-Hydroxy-3,5-dimethoxy-cinnamic acid;Sinapinic acid
- CAS NO.:530-59-6
- Empirical Formula: C11H12O5
- Molecular Weight: 224.21
- MDL number: MFCD00004401
- EINECS: 208-487-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-28 18:16:09
What is 4-Hydroxy-3,5-dimethoxycinnamic acid?
Chemical properties
yellow-brown crystalline powder
The Uses of 4-Hydroxy-3,5-dimethoxycinnamic acid
4-Hydroxy-3,5-dimethoxycinnamic acid is a commonly used matrix in MALDI mass spectrometry. It is a useful matrix for a wide variety of peptides and proteins. It serves well as a matrix for MALDI due to its ability to absorb laser radiation and to also donate protons (H+) to the analyte of interest.
The Uses of 4-Hydroxy-3,5-dimethoxycinnamic acid
Sinapic acid was suitable as phenolic standard for HPLC analysis in determination of Sinapic acid derivatives in Canola extracts. 10 g/L of sinapinic acid with solvent was suitable as matrix for ultraviolet laser desorption mass spectrometric determination of proteins. It was also suitable to use as matrix for MALDI-TOFMS and MALDI-ion mobility-TOFMS to determine phospholipids in tissue.
Definition
ChEBI: A monohydroxycinnamic acid that is cinnamic acid in which the phenyl hydrogens at positions 3, 4, and 5 are replaced by methoxy, hydroxy, and methoxy groups, respectively.
General Description
Sinapic acid is an hydroxycinnamic acid derivative that occurs naturally in Brassicaceae species.
Biochem/physiol Actions
On removal of amino group from phenylalanine, catalysing with enzyme phenylalanine ammonia-lyase forms cinnamic acid. The precursor of hydroxycinnamates is produced after hydroxylation of benzene ring. One of the precursors produced is sinapic acid. Sinapic acid exhibits antimicrobial, antioxidant, anticancer, anti-inflammatory, and anti-anxiety activity. Sinapine (sinapoyl choline) has been acknowledged as an acetylcholinesterase inhibitor, making it therapeutically applicable in treatment of various diseases. 4-Vinylsyringol (a decarboxylation product of sinapic acid) is a potent antimutagenic and antioxidative agent, involved in suppressing the induction of inflammatory cytokines and carcinogenesis. Owing to their anti-oxidative activity, these compounds have been considered to be potentially employed in the pharmaceutical industry, cosmetics and food processing.
Purification Methods
Crystallise it from water. [Beilstein 10 H 508, 10 IV 2104.]
Properties of 4-Hydroxy-3,5-dimethoxycinnamic acid
Melting point: | ~202 °C |
Boiling point: | 285.61°C (rough estimate) |
Density | 1.1478 (rough estimate) |
refractive index | 1.4720 (estimate) |
storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
solubility | H2O: slightly soluble |
form | powder |
pka | 4.53±0.10(Predicted) |
color | white |
Odor | at 100.00?%. odorless |
Water Solubility | insoluble |
BRN | 2130006 |
Stability: | Stable. Incompatible with strong oxidizing agents, strong bases. Combustible. |
CAS DataBase Reference | 530-59-6(CAS DataBase Reference) |
NIST Chemistry Reference | Cinnamic acid, 4-hydroxy-3,5-dimethoxy-(530-59-6) |
Safety information for 4-Hydroxy-3,5-dimethoxycinnamic acid
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Hydroxy-3,5-dimethoxycinnamic acid
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