Cinoxate

Cinoxate is an organic compound used as an ingredient in some types of sunscreens. It is an ester formed from methoxycinnamic acid and 2-ethoxyethanol. It is a slightly yellow viscous liquid that is insoluble in water, but miscible with alcohols, esters, and vegetable oils.

Cinoxate[1]

Names
IUPAC name 2-Ethoxyethyl 3-(4-methoxyphenyl)propenoate
Other names 2-Ethoxyethyl p-methoxycinnamate
Identifiers
CAS Number	104-28-9
3D model (JSmol)	Interactive image
ChEMBL	ChEMBL2104045
ChemSpider	4523729
ECHA InfoCard	100.002.901
KEGG	D03512
PubChem CID	5373773
UNII	5437O7N5BH
CompTox Dashboard (EPA)	DTXSID2025264
InChI InChI=1S/C14H18O4/c1-3-17-10-11-18-14(15)9-6-12-4-7-13(16-2)8-5-12/h4-9H,3,10-11H2,1-2H3/b9-6+ Key: CMDKPGRTAQVGFQ-RMKNXTFCSA-N InChI=1/C14H18O4/c1-3-17-10-11-18-14(15)9-6-12-4-7-13(16-2)8-5-12/h4-9H,3,10-11H2,1-2H3/b9-6+ Key: CMDKPGRTAQVGFQ-RMKNXTFCBV
SMILES O=C(OCCOCC)\C=C\c1ccc(OC)cc1
Properties
Chemical formula	C14H18O4
Molar mass	250.294 g·mol^−1
Density	1.102 g/cm^3
Melting point	−25 °C (−13 °F; 248 K)
Boiling point	184 to 187 °C (363 to 369 °F; 457 to 460 K) at 2 mmHg
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

It protects skin against the sun by absorbing UV-A and UV-B rays.

See also

• Amiloxate, another methoxycinnamate-based sunscreen
• Octyl methoxycinnamate, another methoxycinnamate-based sunscreen

References

1. Merck Index, 11th Edition, 2312.