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123-31-9 - Hydroquinone, 99% - 1,4-Dihydroxybenzene - Quinol - A11411 - Alfa Aesar

A11411 Hydroquinone, 99%

Numéro CAS
123-31-9
Synonymes
1,4-Dihydroxybenzene
Quinol

Dimensions Prix ($) Quantité Disponibilité
250g 20,30
1000g 51,20
5000g 204,00
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Hydroquinone, 99%

MDL
MFCD00002339
EINECS
204-617-8

Propriétés chimiques

Formule
C6H6O2
Poids formulaire
110.11
Point de fusion
170-172°
Point d'ébullition
285-287°
Point d'éclair
165°(329°F)
Densité
1.320
Sensibilité
Air & Light Sensitive
Solubilité
Soluble in water, methanol, ethanol, diethyl ether, acetone, benzene and carbon tetrachloride.

Applications

Hydroquinone is used as a reducing agent and finds applications in black and white photographic developers for film and paper along with 4-(methylamino)phenol sulfate (metol). In this application, silver halides are reduced to elemental silver. It acts as a polymerization inhibitor which prevents polymerization of acrylic acid, methyl methacrylate, cyanoacrylate and other monomers. It undergoes mild oxidation to convert into parabenzoquinone. It is also used as an intermediate to produce antioxidants for rubber and food.

Notes

Air and light sensitive. Incompatible with strong bases and strong oxidizing agents.

Références bibliographiques

Widely used as a radical trap to inhibit polymerization and peroxidation reactions.

Forms inclusion compounds (clathrates) with three molecules of hydroquinone held together by H bonds to form a cage in which a single guest molecule can be accommodated. For a review, see: D. D. MacNicol in Inclusion Compounds, Vol. 2, J. L. Atwood et al, Eds., Academic Press, London (1984), p1.

A stable 1:1 complex with hydrazine has been isolated and found to be a useful, safer replacement for anhydrous hydrazine, e.g. in the solid state reaction with esters to give hydrazides: J. Chem. Soc., Chem. Commun., 1531 (1995).

Boota, M.; Hatzell, K. B.; Kumbur, E. C.; Gogotsi, Y. Towards High-Energy-Density Pseudocapacitive Flowable Electrodes by the Incorporation of Hydroquinone. ChemSusChem 2015, 8 (5), 835-843.

Buzzo, G. S.; Rodrigues, A. C. B.; De Souza, R. F. B.; Silva, J. C. M.; Bastos, E. L.; Spinace, E. V.; Assumpcao, M. H. M. T. Synthesis of hydroquinone with co-generation of electricity from phenol aqueous solution in a proton exchange membrane fuel cell reactor. Catal. Commun. 2015, 59, 113-115.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H318-H341-H351-H400-H302-H317

Causes serious eye damage. Suspected of causing genetic defects. Suspected of causing cancer. Very toxic to aquatic life. Harmful if swallowed. May cause an allergic skin reaction.

Mentions de prudence: P273-P280-P305+P351+P338

Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Autres références

Merck
14,4808
Beilstein
605970
Classe de danger
9
Groupe d'emballage
III
Code tarifaire harmonisé
2907.22
TSCA
Yes
RTECS
MX3500000

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