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Padimate O

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Identification
Molecular formula
C17H27NO2
CAS number
21245-02-3
IUPAC name
2-ethylhexyl 4-(dimethylamino)benzoate
State
State

Padimate O is in a liquid state at room temperature. Its oily nature gives it a fluid consistency, making it useful in formulations where it can be evenly distributed within a mixture.

Melting point (Celsius)
-18.00
Melting point (Kelvin)
255.15
Boiling point (Celsius)
171.00
Boiling point (Kelvin)
444.00
General information
Molecular weight
275.40g/mol
Molar mass
275.3990g/mol
Density
1.0180g/cm3
Appearence

Padimate O appears as a colorless to pale yellow, oily liquid. It is often used in sunscreens due to its ability to absorb ultraviolet rays. This compound is not crystalline and has an oily texture, which can make it less appealing for direct use but effective for its intended function in cosmetic products.

Comment on solubility

Solubility of 2-ethylhexyl 4-(dimethylamino)benzoate

2-ethylhexyl 4-(dimethylamino)benzoate, often referred to by its trade name, is a compound with notable solubility characteristics. Its solubility profile is influenced by several factors:

  • Polarity: The presence of the dimethylamino group contributes to some polarity, affecting its overall dissolution in polar solvents.
  • Hydrophobic Nature: The long alkyl chain (2-ethylhexyl) enhances hydrophobic interactions, making it more soluble in organic solvents.
  • Solvent Compatibility: It demonstrates good solubility in various organic solvents such as ethanol, acetone, and dichloromethane, while having limited solubility in water.

Many practitioners note that:

"The solubility range in organic solvents can be leveraged for applications in formulations where a more hydrophobic character is beneficial."

In summary, 2-ethylhexyl 4-(dimethylamino)benzoate showcases:

  1. Increased solubility in non-polar to weakly polar solvents.
  2. Limited solubility in aqueous environments.
  3. Potential for use in diverse applications where solubility in organic mediums is required.

This compound’s solubility attributes make it a prominent candidate within formulations that demand either lipophilicity or compatibility with organic systems.

Interesting facts

Interesting Facts about 2-ethylhexyl 4-(dimethylamino)benzoate

2-Ethylhexyl 4-(dimethylamino)benzoate is a fascinating compound known for its multifaceted applications, especially in the field of chemistry and materials science. Primarily, it is recognized as a photo stabilizer, which plays a crucial role in protecting polymers from degradation due to UV light exposure. Here are some remarkable points to note:

  • Photoprotection: This compound absorbs UV radiation, thereby extending the lifespan of plastics and coatings by minimizing photodegradation.
  • Applications: Its uses extend to personal care products, lubricants, and various industrial applications, making it a versatile chemical.
  • Structure and Function: The distinct structure, featuring a dimethylamino group, contributes to its effectiveness in stabilizing materials against light-induced deterioration.
  • Regulatory Considerations: As with many chemical additives, its safety profile is continually evaluated to ensure minimal risk to health and the environment.

In the words of chemist and researcher Dr. Jessica Hollis, “Understanding the mechanisms of stabilizers like 2-ethylhexyl 4-(dimethylamino)benzoate not only enhances material durability but also paves the way for innovative applications in sustainable products.”
This highlights the importance of such compounds in advancing chemical technology and product longevity.

This compound is an excellent example of how chemistry not only contributes to practical solutions but also drives the development of new materials that respond to industrial needs and environmental challenges.

Synonyms
Padimate-O
2-ethylhexyl-p-dimethylaminobenzoate
RefChem:56662
4-N,N'-dimethylamino-benzoic acid, 2-ethylhexyl ester
21245-02-3
2-Ethylhexyl 4-(dimethylamino)benzoate
Padimate O
2-ETHYLHEXYL 4-DIMETHYLAMINOBENZOATE
Escalol 507
Octyl dimethyl PABA
Eusolex 6007
Arlatone UVB
Benzoic acid, 4-(dimethylamino)-, 2-ethylhexyl ester
2-Ethylhexyl p-dimethylaminobenzoate
Uvasorb dmo
4-(Dimethylamino)benzoic acid 2-ethylhexyl ester
2-Ethylhexyl-4-dimethylaminobenzoate
2-Ethylhexyl-p-dimethyl-aminobenzoate
MFCD00017526
2-Ethylhexyl p-(dimethylamino)benzoate
ETHYLHEXYL DIMETHYL PABA
Z11006CMUZ
DTXSID7029320
NCGC00090764-02
DTXCID109320
Radiacare Lip Balm
CAS-21245-02-3
Octyl dimethyl p-aminobenzoate
Caraloe Snow & Sun Lip Balm
Pamimate o
HSDB 7169
EINECS 244-289-3
Padimate O (USP)
Arlatone UVB (TN)
Photoplex (Salt/Mix)
Padimate o [USAN:USP]
PreSun 23 (Salt/Mix)
PADIMATE O [HSDB]
PADIMATE O [USAN]
PADIMATE O [VANDF]
PADIMATE-O [VANDF]
PAMIMATE O [VANDF]
UNII-Z11006CMUZ
PADIMATE O [MART.]
SCHEMBL15432
PADIMATE O [USP-RS]
PADIMATE O [WHO-DD]
4-(Dimethylamino)benzoic acid, 2-ethylhexyl ester
MLS001055379
(+/-)-PADIMATE O
Benzoic acid, p-(dimethylamino)-, 2-ethylhexyl ester
orb1705538
Padimate O, analytical standard
Radiacare Lip Balm (Salt/Mix)
CHEMBL1323699
MSK3403
CHEBI:135932
PADIMATE O, (+/-)-
HMS3039F10
PADIMATE O [USP MONOGRAPH]
OCTYL DIMETHYL PABA [VANDF]
Tox21_111013
Tox21_202421
Tox21_303574
SBB008471
2-ethylhexyl-4-dimethylamino benzoate
AKOS015890282
Tox21_111013_1
2-Ethylhexyl-4'-dimethylamino-benzoate
DB11570
FE70802
NCGC00090764-01
NCGC00090764-03
NCGC00090764-04
NCGC00257250-01
NCGC00259970-01
2-ethylhexyl n,n-dimethyl-p-aminobenzoate
AC-13165
AS-75461
SMR000677935
Caraloe Snow & Sun Lip Balm (Salt/Mix)
DB-021046
2-ETHYL-HEXYL 4-DIMETHYLAMINOBENZOATE
D1871
NS00005726
ST50826077
2-Ethylhexyl 4-(dimethylamino)benzoate, 98%
2-ETHYLHEXYL 4-(DIMETYLAMINO)BENZOATE
p-Dimethylaminobenzoic acid 2-ethylhexyl ester
D05335
F71555
SBI-0654058.0001
EN300-22984143
F214776
SR-01000864568
Q6628390
SR-01000864568-2
4-(DIMETHYLAMINO)BENZOIC ACID 2-ETHYLHEXYL ESTER [MI]
Padimate O, United States Pharmacopeia (USP) Reference Standard
Padimate O, Pharmaceutical Secondary Standard; Certified Reference Material