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150-76-5 - 4-Methoxyphenol, 98+% - Hydroquinone monomethyl ether - MEHQ - A14845 - Alfa Aesar

A14845 4-Methoxyphenol, 98+%

Numéro CAS
150-76-5
Synonymes
Hydroquinone monomethyl ether
MEHQ

Dimensions Prix ($) Quantité Disponibilité
50g 14,90
250g 29,80
1000g 93,80
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4-Methoxyphenol, 98+%

MDL
MFCD00002332
EINECS
205-769-8

Propriétés chimiques

Formule
C7H8O2
Poids formulaire
124.14
Point de fusion
55-58°
Point d'ébullition
243-246°
Point d'éclair
132°(269°F)
Densité
1.550
Solubilité
Soluble in acetone, ethyl acetate, ethanol, ether, benzene and carbon tetrachloride.

Applications

4-Methoxyphenol is an active ingredient and used in dermatology. It is employed as a pharmaceutical drug in skin depigmentation. It is used as polymerization inhibitors. For example, in the radical polymerization of acryaltes and styrene monomers. It is also used as an intermediate in the preparationagrochemicals, liquid crystals. It acts as a stabilizer for the formulation of inks, toners and adhesives. It is mainly used as an additive for textile and leather industries.

Notes

Moisture sensitive. Store in a cool place. Keep the container tightly closed. Incompatible with halogens and oxidizing agents.

Références bibliographiques

For a study of the direct dilithiation of alkoxyphenols, see: J. Org. Chem., 55, 3902 (1990).

Primary OH groups can be protected as 4-methoxyphenyl ethers by Mitsunobu alkylation. These are stable to aqueous acid or base at 1000, high pressure hydrogenation, ozonolysis, LiAlH4, or Cr(VI) reagents. Deprotection can be effected with CAN: Tetrahedron Lett., 26, 6291 (1985); 29, 1389 (1988), or anodic oxidation: Carbohydr. Res., 277, 321 (1995).

/n

Swiech, O.; Mieczkowska, A.; Chmurski, K.; Bilewicz, R. Intermolecular Interactions between Doxorubicin and β-Cyclodextrin 4-Methoxyphenol Conjugates. J. Phys. Chem. B 2012, 116 (6), 1765-1771.

Wang, YH.; Avonto, C.; Avula, B; Wang, M.; Rua, D.; Khan, I. Quantitative Determination of alpha-Arbutin, beta-Arbutin, Kojic Acid, Nicotinamide, Hydroquinone, Resorcinol, 4-Methoxyphenol, 4-Ethoxyphenol, and Ascorbic Acid from Skin Whitening Products by HPLC-UV. J. AOAC Int. 2015, 98 (1), 5-12.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H302-H319-H317

Harmful if swallowed. Causes serious eye irritation. May cause an allergic skin reaction.

Mentions de prudence: P262-P280a-P301+P310-P305+P351+P338-P315

Do not get in eyes, on skin, or on clothing. Wear protective gloves and eye/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Get immediate medical advice/attention.

Autres références

Beilstein
507924
Code tarifaire harmonisé
2909.50
TSCA
Yes
RTECS
SL7700000

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