30740
Dehydroacetic acid
≥98.0% (T)
Sinonimo/i:
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
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100 G
42,70 €
500 G
75,50 €
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Cambia visualizzazione
100 G
42,70 €
500 G
75,50 €
About This Item
Formula empirica (notazione di Hill):
C8H8O4
Numero CAS:
Peso molecolare:
168.15
Beilstein:
6129
Numero CE:
Numero MDL:
Codice UNSPSC:
12352100
ID PubChem:
NACRES:
NA.22
Stato:
powder
Saggio:
≥98.0% (T)
Prodotti consigliati
Livello qualitativo
Saggio
≥98.0% (T)
Stato
powder
P. ebollizione
270 °C (lit.)
Punto di fusione
111-113 °C (lit.)
Gruppo funzionale
ester
ketone
Stringa SMILE
CC(=O)C1C(=O)OC(C)=CC1=O
InChI
1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3
PGRHXDWITVMQBC-UHFFFAOYSA-N
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Descrizione generale
Dehydroacetic acid is one of the food additives found in red wine and was determined by ultra-fast liquid chromatography-tandem quadrupole mass spectrometry (UFLC-MS/MS)[1].
Avvertenze
Warning
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Acute Tox. 4 Oral
Codice della classe di stoccaggio
13 - Non Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
314.6 °F
Punto d’infiammabilità (°C)
157 °C
Dispositivi di protezione individuale
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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Xiao-Hong Chen et al.
Journal of chromatography. A, 1263, 34-42 (2012-10-10)
A novel and effective dispersive solid-phase extraction (dSPE) procedure with rapid magnetic separation using ethylenediamine-functionalized magnetic polymer as an adsorbent was developed. The new procedure had excellent clean-up ability for the selective removal of the matrix in red wine. An
Ségolène De Vaugelade et al.
Rapid communications in mass spectrometry : RCM, 32(11), 862-870 (2018-03-10)
The present work is devoted to the structural elucidation of by-products issued from the direct ultraviolet-visible (UV-vis) irradiation of dehydroacetic acid (DHA) in solution and in cosmetic emulsion. Analyses were carried out using gas chromatography coupled with ion trap mass
Luiz C Dias et al.
Journal of agricultural and food chemistry, 57(4), 1399-1405 (2009-01-28)
A short and efficient approach to a range of new chiral and achiral functionalized (E)-enaminopyran-2,4-diones starting with commercially available dehydroacetic acid is described. The phytotoxic properties of these (E)-enaminopyran-2,4-diones were evaluated by their ability to interfere with the growth of
C S Mantzoros et al.
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To test the hypothesis that androgens may play a role in the pathogenesis of atherosclerosis and hypertension, we investigated the association of delta 5 dehydroepiandrosterone sulfate [DHEAS]) and delta 4 (free testosterone [FT]) androgens with the resting, seated blood pressure
T Hata et al.
British journal of obstetrics and gynaecology, 105(3), 360-361 (1998-04-09)
We studied the effect of dehydroepiandrosterone sulphate (DHAS) on placental blood flow in 11 women with an uncomplicated pregnancy between 37 and 39 weeks of gestation. Power Doppler enhancement of the placenta was performed before and 60 minutes after the
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