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104-28-9

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  • China Largest factory Manufacturer Supply Cinoxate/p-methoxycinnamic acid 2-ethoxyethyl ester/2-ethoxyethyl p-methoxycinnamate CAS 104-28-9

    Cas No: 104-28-9

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104-28-9 Usage

Uses

Different sources of media describe the Uses of 104-28-9 differently. You can refer to the following data:
1. Cinoxate is an organic compound used as an ingredient in some types of sunscreens. Cinoxate is an ester formed from methoxycinnamic acid and 2-ethoxyethanol. Cinoxate is a slightly yellow viscous liqu id that is insoluble in water, but miscible with alcohols, esters, and vegetable oils. Cinoxate protects skin against the sun by absorbing UV-A and UV-B rays.
2. cinoxate (2-hydroxy-p-methoxycinnamate) is an FDA-approved sunscreen chemical with an approved usage level of 1 to 3 percent. Studies indicate it causes photosensitivity.
3. Cinoxate is an organic compound used as an ingredient in some types of sunscreens. Cinoxate is an ester formed from methoxycinnamic acid and 2-ethoxyethanol. Cinoxate is a slightly yellow viscous liquid that is insoluble in water, but miscible with alcohols, esters, and vegetable oils.Cinoxate protects skin against the sun by absorbing UV-A and UV-B rays.

General Description

Viscous clear to pale yellow liquid. Insoluble in water.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

cinoxate may hydrolyze under acidic or alkaline conditions.

Fire Hazard

cinoxate is probably combustible.

Check Digit Verification of cas no

The CAS Registry Mumber 104-28-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,0 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 104-28:
(5*1)+(4*0)+(3*4)+(2*2)+(1*8)=29
29 % 10 = 9
So 104-28-9 is a valid CAS Registry Number.
InChI: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

104-28-9 Well-known Company Product Price

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  • Sigma-Aldrich

  • (67790)  Cinoxate  analytical standard

  • 104-28-9

  • 67790-100MG

  • 1,079.91CNY

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104-28-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name cinoxate

1.2 Other means of identification

Product number -
Other names ETHOXYETHYL-PARA-METHOXYCINNAMATE

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:104-28-9 SDS

104-28-9Downstream Products

104-28-9Related news

Enhancing effects of cinoxate (cas 104-28-9) and methyl sinapate on the frequencies of sister-chromatid exchanges and chromosome aberrations in cultured mammalian cells☆08/11/2019

Sister-chromatid exchanges (SCEs) induced by mitomycin C (MMC), 4-nitroquinoline-1-oxide (4NQO) or UV-light in cultured Chinese hamster ovary cells (CHO K-1 cells) were enhanced by cinoxate (2-ethoxyethyl p-methoxycinnamate) or methyl sinapate (methyl 3,5-dimethoxy 4-hydroxycinnamate). Both subs...detailed

104-28-9Relevant articles and documents

Carboxylic Acid Reductase Can Catalyze Ester Synthesis in Aqueous Environments

Pongpamorn, Pornkanok,Kiattisewee, Cholpisit,Kittipanukul, Narongyot,Jaroensuk, Juthamas,Trisrivirat, Duangthip,Maenpuen, Somchart,Chaiyen, Pimchai

supporting information, p. 5749 - 5753 (2021/02/01)

Most of the well-known enzymes catalyzing esterification require the minimization of water or activated substrates for activity. This work reports a new reaction catalyzed by carboxylic acid reductase (CAR), an enzyme known to transform a broad spectrum of carboxylic acids into aldehydes, with the use of ATP, Mg2+, and NADPH as co-substrates. When NADPH was replaced by a nucleophilic alcohol, CAR from Mycobacterium marinum can catalyze esterification under aqueous conditions at room temperature. Addition of imidazole, especially at pH 10.0, significantly enhanced ester production. In comparison to other esterification enzymes such as acyltransferase and lipase, CAR gave higher esterification yields in direct esterification under aqueous conditions. The scalability of CAR catalyzed esterification was demonstrated for the synthesis of cinoxate, an active ingredient in sunscreen. The CAR esterification offers a new method for green esterification under high water content conditions.

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