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108-73-6 - Phloroglucinol, anhydrous, 98% - 1,3,5-Trihydroxybenzene - 1,3,5-Benzenetriol, anhydrous - B25502 - Alfa Aesar

B25502 Phloroglucinol, anhydrous, 98%

Numéro de CAS
108-73-6
Synonymes
1,3,5-Trihydroxybenzene
1,3,5-Benzenetriol, anhydrous

Conditionnement Prix ($) Quantité Disponibilité
50g 47,00
250g 183,00
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Phloroglucinol, anhydrous, 98%

MDL
MFCD00002286
EINECS
203-611-2

Propriétés chimiques

Formule
C6H6O3
Poids moleculaire
126.11
Point de fusion
215-220°
Sensibilité
Light Sensitive & Hygroscopic
Solubilité
Soluble in diethyl ether, ethanol and pyridine.

Applications

Reagent for pentoses, pentosans and aldehydes. Used as a bone decalcifier in microscopy specimens.Phloroglucinol is mainly used as a coupling agent in printing. It is an active component of Tollen’s reagent and Gunzburg reagent used to test pentoses and hydrochloric acid in gastric juice respectively. In analytical chemistry, it is used to study condensed tannins by means of depolymerization. It is also involved in the synthesis of 2,4,6-triamino-1,3,5- trinitrobenzene, trinitrophloroglucinol and pharmaceuticals like flopropione .

Notes

Incompatible with acid chlorides, acid anhydrides, bases and oxidizing agents.

Références bibliographiques

Reacts with mono- or dimethylamine in DMF-water, with displacement of one of the OH groups, to give 5-aminoresorcinols: Helv. Chim. Acta, 56, 510 (1973).

The electron-rich nucleus undergoes acylation with nitriles under mild Lewis acid catalysis, to give ketones (Houben-Hoesch reaction).

Selective monobromination cannot be achieved conventionally. For bromination-debromination protocols for the preparation of the mono- and di-brominated derivatives, see: Can. J. Chem., 67, 335 (1989).

Dubey, R.; Desiraju, G. R. Combinatorial Crystal Synthesis: Structural Landscape of Phloroglucinol: 1, 2-bis (4-pyridyl) ethylene and Phloroglucinol: Phenazine. Angew. Chem. Int. Ed. 2014, 53 (48), 13178-13182.

Ghimbeu, C. M.; Vidal, L.; Delmotte, L.; Le Meins, J. M.; Vix-Guterl, C. Catalyst-free soft-template synthesis of ordered mesoporous carbon tailored using phloroglucinol/glyoxylic acid environmentally friendly precursors. Green Chem. 2014, 16 (6), 3079-3088.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Mentions de prudence: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Merck
14,7328
Beilstein
1341907
Code tarifaire harmonisé
2907.29
TSCA
Yes
RTECS
SY1050000

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Analytique et matériel de laboratoire