ChemicalBook--->CAS DataBase List--->26218-04-2

26218-04-2

26218-04-2 Structure

26218-04-2 Structure
IdentificationBack Directory
[Name]

p-Aminobenzoesure-2-ethylhexylester
[CAS]

26218-04-2
[Synonyms]

2-Ethylhexyl p-aminobenzoate
p-Aminobenzoesure-2-ethylhexylester
Ethylhexyl Triazone Related CoMpound A
Benzoic acid, 4-amino-,2-ethylhexyl ester
2-Ethylhexyl 4-aminobenzoate Solution, 100ppm
2-Ethylhexyl 4-aminobenzoate Solution in Methanol/THF/Water, 1000μg/mL
Ethylhexyl Triazone Related Compound A (20 mg) (2-ethylhexyl 4-aminobenzoate)
[EINECS(EC#)]

420-170-3
[Molecular Formula]

C15H23NO2
[MDL Number]

MFCD13340006
[MOL File]

26218-04-2.mol
[Molecular Weight]

249.35
Chemical PropertiesBack Directory
[Boiling point ]

385.0±15.0 °C(Predicted)
[density ]

1.015±0.06 g/cm3(Predicted)
[storage temp. ]

Keep in dark place,Inert atmosphere,2-8°C
[solubility ]

DMSO (Slightly), Methanol (Slightly, Heated)
[form ]

Low-Melting Solid
[pka]

2.37±0.10(Predicted)
[color ]

Pale Orange to Brown
[Stability:]

Air Sensitive, Hygroscopic
[Major Application]

pharmaceutical (small molecule)
[InChI]

InChI=1S/C15H23NO2/c1-3-5-6-12(4-2)11-18-15(17)13-7-9-14(16)10-8-13/h7-10,12H,3-6,11,16H2,1-2H3
[InChIKey]

ZJQXUTDROPGVLH-UHFFFAOYSA-N
[SMILES]

C(OCC(CC)CCCC)(=O)C1=CC=C(N)C=C1
[EPA Substance Registry System]

Benzoic acid, 4-amino-, 2-ethylhexyl ester (26218-04-2)
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302
[Precautionary statements ]

P280-P305+P351+P338
[Hazard Codes ]

N
[Risk Statements ]

50/53
[Safety Statements ]

60-61
[WGK Germany ]

WGK 2
[REACH Registrations]

Active
[HS Code ]

2922493800
[Storage Class]

11 - Combustible Solids
[Hazard Classifications]

Aquatic Acute 1
Aquatic Chronic 1
Skin Irrit. 2
Hazard InformationBack Directory
[Uses]

2-Ethylhexyl-4-aminobenzoate is an impurity in the synthesis of Ethylhexyl Triazone (E918810), used in sunscreen formulations as a UV filter to block out harmful ultraviolet light.
[Synthesis]

4-NITRO BENZOIC ACID 2-ETHYL-HEXYL ESTER

16397-70-9

p-Aminobenzoesure-2-ethylhexylester

26218-04-2

The general procedure for the synthesis of 2-ethylhexyl 4-aminobenzoate from 2-ethylhexyl 4-nitrobenzoate was as follows: in a three-necked flask equipped with a stirrer, 920 mL of methanol-water solution (V methanol: V water = 5:1), 48.15 g (1.8 mol) of ammonium chloride, 33.60 g (1.2 mol) of reduced iron powder and 55.87 g (0.20 mol) 2-ethylhexyl 4-nitrobenzoate. The mixture was heated to reflux and the reaction was maintained for 16-17 hours. The progress of the reaction was monitored by thin layer chromatography (TLC) during the reaction. Upon completion of the reaction, the reaction mixture was filtered while hot and the diatomaceous earth filter cake was washed twice with methanol. The filtrate and washings were combined and concentrated under reduced pressure to obtain the crude product. The crude product was dissolved in 200 mL of water, the pH was adjusted to 7-8 with saturated sodium carbonate solution, and then extracted twice with 200 mL of dichloromethane. The organic phases were combined and dried by adding anhydrous magnesium sulfate for 3 hours. After drying, the magnesium sulfate was removed by filtration, and the filtrate was concentrated under reduced pressure to obtain the intermediate 2-ethylhexyl 4-aminobenzoate as a light yellow solid with 88.7% yield.

[References]

[1] Patent: CN104860893, 2017, B. Location in patent: Paragraph 0027; 0028; 0037; 0038
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