Dehydracetsäure, Natrium-Salz

Bezeichnung:Dehydracetsäure, Natrium-Salz

CAS-Nr4418-26-2

Englisch Name:Sodium dehydroacetate

CBNumberCB4390163

SummenformelC8H7NaO4

Molgewicht190.13

MOL-Datei4418-26-2.mol

Synonyma

Natrium-1-(3,4-dihydro-6-methyl-2,4-dioxo-2H-pyran-3-yliden)ethanolat

Dehydracetsäure, Natrium-Salz

Dehydracetsäure, Natrium-Salz physikalisch-chemischer Eigenschaften

Schmelzpunkt	~295 °C (dec.)
Dichte	1.499[at 20℃]
Dampfdruck	0Pa at 25℃
storage temp.	Store below +30°C.
Löslichkeit	330g/l
pka	5.36[at 20 ℃]
Aggregatzustand	Powder
Farbe	White to yellow
PH	8.8-9.3 (100g/l, H2O, 20℃)
Wasserlöslichkeit	Soluble in water, propylene glycol and methanol. Insoluble in acetone and benzene.
BRN	4893653
Stabilität	Stable. Incompatible with strong oxidizing agents.
InChIKey	ZPNRBQVNNIDJHX-UHFFFAOYSA-M
LogP	-4.38 at 20℃
CAS Datenbank	4418-26-2(CAS DataBase Reference)
EPA chemische Informationen	3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione sodium (4418-26-2)

Sicherheit

Kennzeichnung gefährlicher	Xn
R-Sätze:	22
S-Sätze:	24/25
WGK Germany	1
RTECS-Nr.	UP8225000
Selbstentzündungstemperatur	360 °C
TSCA	Yes
HS Code	29322980
Giftige Stoffe Daten	4418-26-2(Hazardous Substances Data)
Toxizität	LD50 orally in Rabbit: 500 mg/kg

Gefahreninformationscode (GHS)

Sodium dehydroacetate Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R22:Gesundheitsschädlich beim Verschlucken.
Beschreibung
Sodium dehydroacetate is the sodium salt of dehydroacetate. It is mainly used as a new generation food preservative and food additive, being used extensively in sauce, fruit, bread, cake, moon cake, margarine and beverage. Sodium dehydroacetate (DHA-S) has a wide spectrum of antimicrobial activity that accounts for its use in cosmetic products as a preservative and antimicrobial agent. It is effective in the treatment of both bacteria and fungi. It is also a kind of anticoagulant agent through depleting the blood level of vitamin K.
Chemische Eigenschaften
White to yellowish powder
Verwenden
Geogard(R) 111S preservative is based on dehydroacetic acid (DHA), the sodium salt form (NaDHA) and therefore are recognized by major cosmetic, toiletry and fragrance regulatory authorities worldwide for use in cosmetic and personal care products.
Verwenden
Dehydroacetic acid sodium salt (DHS-Na) is used in the food industry as preservative for fruits, vegetables, fruit juice, honey, beer, milk, protein and fat products; in human and veterinary medicine as bactericide and fungicide. Product Data Sheet
Verwenden
sodium dehydroacetate is a preservative against bacteria and fungi that is used at concentration levels of 1.0 percent or less. It is useful in combination with parabens. It may cause skin irritation.
Allgemeine Beschreibung
White powder. Used as a fungicide, plasticizer, toothpaste, preservative in food.
Air & Water Reaktionen
Water soluble.
Reaktivität anzeigen
Sodium dehydroacetate reacts with acids. May react viogrously with strong oxidizing acids.
Flammability and Explosibility
Not classified
Sicherheitsprofil
Poison by intravenous route. Moderately toxic by ingestion. An experimental teratogen. Experimental reproductive effects. An eye irritant. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O
Einzelnachweise
Forester, John. "Preservative solutions containing sodium dehydroacetate with or without sodium borate decahydrate and/or disodium edetate." US, US4248634. 1981.
Sakaguchi, Yuka, et al. "Anticoagulant effect of sodium dehydroacetate (DHA-S) in rats." Journal of Applied Toxicology 28.4(2008):524-529.
Ye, Yinzhi. "Use of Sodium Dehydroacetate in Food." China Food Additives (2002).

Sodium dehydroacetate Upstream-Materialien And Downstream Produkte

Dehydracetsäure, Natrium-Salz Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

4418-26-2, Sodium dehydroacetate Verwandte Suche:

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