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Chemical Structure| 121-79-9 Chemical Structure| 121-79-9
Chemical Structure| 121-79-9

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Propyl gallate is an antioxidant used in foods especially animal fats and vegetable oils, also in a wide variety of cosmetics and beauty care products.

Synonyms: Antioxidant PG; Gallic acid propyl esterZ; n-Propyl 3,4,5-trihydroxybenzoate

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Product Details of Propyl gallate

CAS No. :121-79-9
Formula : C10H12O5
M.W : 212.20
SMILES Code : O=C(OCCC)C1=CC(O)=C(O)C(O)=C1
Synonyms :
Antioxidant PG; Gallic acid propyl esterZ; n-Propyl 3,4,5-trihydroxybenzoate
MDL No. :MFCD00002196
InChI Key :ZTHYODDOHIVTJV-UHFFFAOYSA-N
Pubchem ID :4947

Safety of Propyl gallate

GHS Pictogram:
Signal Word:Danger
Hazard Statements:H302-H317-H318-H410
Precautionary Statements:P261-P264-P270-P272-P273-P280-P301+P312+P330-P302+P352-P305+P351+P338+P310-P333+P313-P391-P501
Class:9
UN#:3077
Packing Group:

Application In Synthesis of Propyl gallate

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 121-79-9 ]

[ 121-79-9 ] Synthesis Path-Downstream   1~5

  • 1
  • [ 121-79-9 ]
  • [ 162709-84-4 ]
  • 2
  • [ 121-79-9 ]
  • [ 618-73-5 ]
YieldReaction ConditionsOperation in experiment
With ammonium hydroxide; at 50℃; for 12.0h; Weigh 50g of gallic acid,Pour into a 500ml jar after drying,Then added 25% concentrated ammonia water 250ml,Plug the bottle with a stopper,Stir in a constant temperature water bath at 50 C for 12 h.The reaction solution was then poured into a 1000 ml dry three-necked flask.60 g of m-CPBA was charged and reacted for 10 hours.After the reaction is over,Filter the reaction solution,The filter cake was dissolved in 10% NaOH solution.Put in 250g of activated carbon,Stirring at 35 C,Filtration, the filtrate was extracted three times with dichloromethane, the filtrate was separated, and the filtrate was adjusted to pH 2 with 10% hydrochloric acid.Crystallization, filtration, and drying to obtain pale yellow ellagic acid.Its yield was 84%.
  • 3
  • [ 121-79-9 ]
  • [ 14381-51-2 ]
  • propyl 2-bromo-3,4,6-trihydroxy-5-oxo-5H-benzo[7]annulene-8-carboxylate [ No CAS ]
  • 4
  • [ 121-79-9 ]
  • [ 4018-65-9 ]
  • propyl 2-chloro-3,4,6-trihydroxy-5-oxo-5H-benzo[7]annulene-8-carboxylate [ No CAS ]
  • 5
  • [ 121-79-9 ]
  • [ 19387-91-8 ]
  • tinidazole propyl gallate [ No CAS ]
YieldReaction ConditionsOperation in experiment
In water; at 60℃; for 1h; (1) Accurately weigh 124 mg of <strong>[19387-91-8]tinidazole</strong> and106 mgPropionate gallatePlacedIn a 50 mL round bottom flask, 10 mL of distilled water was added and a reflux device was installed.(2) The reaction was stirred for 1 hour in a water bath at 60 C, and the solution gradually changed from a colorless solution to a pale yellow clear solution.(3) The reaction solution was filtered through a medium speed filter paper, and the filtrate was placed in a 50 mL beaker. The beaker mouth was covered with a plastic wrap, and three small openings were placed with a syringe, and the crystal was allowed to stand. A yellow bulk solid precipitated after about 24 hours and was eutectic with <strong>[19387-91-8]tinidazole</strong>-propyl gallate drug.
 

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