4'-Hydroxyacetophenon Produkt Beschreibung
- CAS-Nr.99-93-4
- Bezeichnung:4'-Hydroxyacetophenon
- Englisch Name:4'-Hydroxyacetophenone
- Synonyma:4'-Hydroxyacetophenon
POB;Piceol;LGB-HAP;NSC 3698;usafkf-15;USAF kf-15;ACETYLPHENOL;4-ACETOPHENOL;P-ACETOPHENOL;4-ACETYLPHENOL - CBNumber:CB7198612
- Summenformel:C8H8O2
- Molgewicht:136.15
- MOL-Datei:99-93-4.mol
4'-Hydroxyacetophenon physikalisch-chemischer Eigenschaften
- Schmelzpunkt: :132-135 °C(lit.)
- Siedepunkt: :147-148 °C3 mm Hg(lit.)
- Dichte :1.109
- FEMA :4330 | 4-HYDROXYACETOPHENONE
- Brechungsindex :1.5577 (estimate)
- Flammpunkt: :166 °C
- storage temp. :Refrigerator
- Löslichkeit :methanol: 0.1 g/mL, clear
- Aggregatzustand :Crystalline Powder
- pka :8.05(at 25℃)
- Wichte :1.109
- Farbe :Almost white to beige
- Wasserlöslichkeit :10 g/L (22 ºC)
- JECFA Number :2040
- BRN :774355
- InChIKey :TXFPEBPIARQUIG-UHFFFAOYSA-N
- CAS Datenbank :99-93-4(CAS DataBase Reference)
- NIST chemische Informationen :Acetophenone, 4'-hydroxy-(99-93-4)
- EPA chemische Informationen :4-Hydroxyacetophenone (99-93-4)
Sicherheit
- Kennzeichnung gefährlicher :Xn,Xi
- R-Sätze: :36/37/38-22
- S-Sätze: :26-36/37-37/39-24/25-22-36
- WGK Germany :3
- RTECS-Nr. :PC4959775
- Hazard Note :Irritant
- TSCA :Yes
- HS Code :29145000
4'-Hydroxyacetophenone Chemische Eigenschaften,Einsatz,Produktion Methoden
-
R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R22:Gesundheitsschädlich beim Verschlucken. -
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S24/25:Berührung mit den Augen und der Haut vermeiden.
S22:Staub nicht einatmen.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen. - Chemische Eigenschaften almost white to beige crystalline powder
- Chemische Eigenschaften White to beige powder; sweet, hawthorn, balsam, mimosa aroma
- Occurrence Reported found in cloudberry, coffee, cranberry, mango, sherry, and wort.
-
synthetische
Preparation by Fries rearrangement of phenyl acetate with Lewis acids
aluminium chloride
in nitrobenzene at 20–25° or at 50–60°
in chlorobenzene between 45° and 65°, sealed tube and subjected to high power microwave irradiation for 2 min only (36%)
in nitroethane at 60° (44%)
in carbon disulfide at 45° (40%)
in petroleum ether at 50° (20%)
but between 130° and 175° (40–60%)
aluminium chloride–sodium chloride mixture at 240–250° (10%)
boron trifluoride at 90° (56%)
scandium tris(trifluoromethanesulfonate), in nitromethane, at 50° (39%)
titanium tetrachloride at 90–100° (34%)
ferric chloride at 65° (25%)
zinc chloride at 125° (8%)
hydrofluoric acid, between 20° and 100° (94%)
polyphosphoric acid, between 20° and 100° (69%) (50–53%)(44%)
Nafion-XR 500, sulfonic acid type at 100°
ZSM-5, in sulfolane, at 180° (28%)
H-ZSM-5 at 400° or at 210° (6%)
H-Nu-2 at 170° (15%)
HY (Si/Al = 3) or fluorided alumina (Al2O3-F; 3 % wt. F), at 400°. - Definition ChEBI: A monohydroxyacetophenone carrying a hydroxy substituent at position 4'.
- Aroma threshold values Floral type, medium strength odor; recommend smelling in a 10.00% solution or less.
- Synthesis Reference(s) Tetrahedron Letters, 32, p. 5829, 1991 DOI: 10.1016/S0040-4039(00)93567-6
- läuterung methode Crystallise it from diethyl ether, aqueous EtOH or *benzene/pet ether. [Beilstein 8 H 87, 8 IV 339.]
4'-Hydroxyacetophenone Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
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99-93-4, 4'-Hydroxyacetophenone Verwandte Suche:
- 4-Hydroxybenzaldehyd 4-Methoxyphenol p-Hydroxyvalerophenon Paroxypropion 4'-Hydroxybutyrophenon 4'-Nitroacetophenon 4-Methoxyacetophenon 4'-Bromacetophenon 2'-Hydroxyacetophenone 1-(2,4-Dichlorphenyl)ethan-1-on 4'-Aminoacetophenon 2',4',6'-Trihydroxyacetophenon Acetophenon 1-(3,5-Dihydroxyphenyl)ethan-1-on 1-[4-(β-D-Glucopyranosyloxy)phenyl]ethan-1-on 2-Hydroxy-1-phenylethan-1-on 1-(5-Fluor-2-hydroxyphenyl)ethan-1-on 2',6'-Dihydroxyacetophenon
- 1-(4-hydroxyphenyl)-ethanon
- 4’-hydroxy-acetophenon
- 4-Hydroksyacetofenol
- Acetophenone, p-hydroxy-
- Ethanone, 1-(4-hydroxyphenyl)-
- Hydroxyacetophenone, para
- HYDROXYACETOPHENONE-4
- HYDROXYBENZOPHENONE-4
- ACETYLPHENOL
- AKOS BBS-00003226
- 4-ACETOPHENOL
- 4-ACETYLPHENOL
- 4-BENZOYLPHENOL
- 4'-HYDROXYACETOPHENONE
- 4-HYDROXYACETOPHENONE
- 4-HYDROXYPHENYL METHYL KETONE
- 1-(4-HYDROXY-PHENYL)-ETHANONE
- 4'-Hydroxyacetophenone 4-Acetylphenol
- 4-HydraxyAcetophenone
- 4-HYDROXY ACETOPHENONE (p-HYDROXY ACETOPHENONE)
- 4'-Hydroxyacetophenone,99%
- 4-HYDROXYLACETOPHENONE
- PARA-METHYLKETOPHENOL
- PARA-ACETYLPHENOL
- Acetophenone,4'-hydroxy-
- D-Hydroxyacetophehone
- 4''-HYDROXYACETOPHENONESALBUTAMOL
- 4'-Hydroxyacetophenone
- 4'-Hydroxyacetophenone,98%
- Hydroxyce Tophenone
- Acetaminophen Impurity E
- LGB-HAP
- 2,5-dimethyl-1H-pyrazolo[1,5-a]pyrimidin-7-one
- Paracetamol EP Impurity E (4'-Hydroxyacetophenone)
- 4'-Hydroxyacetophenone IN STOCK
- 4'-Hydroxyacetophenone factory China
- 4'-Hydroxyacetophenone Factory 4-Acetylphenol
- Methyl p-hydroxyphenyl ketone
- methyl-p-hydroxyphenylketone
- p-Acetylphenol
- para-Hydroxyacetophenone
- Phenol, p-acetyl-
- p-hydroxy-acetophenon
- p-Hydroxyphenyl methyl ketone
- p-hydroxyphenylmethylketone
- Piceol
- p-Oxyacetophenone
- USAF kf-15
- usafkf-15
- POB
- P-HYDROXYACETOPHENONE
- P-HYDROXYBENZOPHENONE
- P-BENZOYLPHENOL
- P-ACETOPHENOL
- 1-(4-hydroxyphenyl)-1-ethanone
- HYDROXYACETOPHENONE, P- (RG)
- 4'-Hydroxyacetophene
- 4'-Hydroxyacetopheno