dibenzoyl-L-weinsuremonohydrat

Bezeichnung:dibenzoyl-L-weinsuremonohydrat

CAS-Nr2743-38-6

Englisch Name:Dibenzoyl-L-tartaric acid

CBNumberCB3240490

SummenformelC18H14O8

Molgewicht358.3

MOL-Datei2743-38-6.mol

Synonyma

dibenzoyl-L-weinsuremonohydrat

dibenzoyl-L-weinsuremonohydrat physikalisch-chemischer Eigenschaften

Schmelzpunkt	152-155 °C(lit.)
Siedepunkt	234 °C / 7mmHg
Dichte	1.3806 (rough estimate)
Dampfdruck	0Pa at 20℃
Brechungsindex	-116 ° (C=1, EtOH)
storage temp.	Refrigerator
Löslichkeit	DMSO (Slightly), Ethanol (Slightly), Methanol (Slightly)
pka	1.85±0.25(Predicted)
Aggregatzustand	Solid or Crystalline Powder
Farbe	Off-white to orange to pale brown
Optische Aktivität	[α]20/D 116°, c = 9 in ethanol
Wasserlöslichkeit	Slightly soluble in water.
BRN	709854
InChIKey	YONLFQNRGZXBBF-ZIAGYGMSSA-N
LogP	1.01 at 20℃
CAS Datenbank	2743-38-6(CAS DataBase Reference)
EPA chemische Informationen	Butanedioic acid, 2,3-bis(benzoyloxy)-, (2R,3R)- (2743-38-6)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36
S-Sätze:	26-36
WGK Germany	3
RTECS-Nr.	WW8070000
F	3-9
TSCA	Yes
HS Code	29181990

Gefahreninformationscode (GHS)

Dibenzoyl-L-tartaric acid Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36:Reizt die Augen.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Beschreibung
Dibenzoyl-L-tartaric acid is a kind of white crystalline powder, and odorless, mildly bitter flavor, be slightly soluble in water, and pH value is 3-4, in acid, dissolves in ethanol and acetone and other organic solvent. Be widely used in chiral separation of racemic amine compounds. Because it is cheap, has stable properties, and is easy to recycle, it has good industrial application value.
Chemische Eigenschaften
Dibenzoyl-L-tartaric acid is white to light yellow crystal powde
Verwenden
(-)-Dibenzoyl-L-tartaric acid, anhydrous is used as a reagent used to produce chiral salts. Also used as organic chemical synthesis intermediate.
Flammability and Explosibility
Not classified
Sicherheitsprofil
Dibenzoyl-L-tartaric acid is an eye irritant. When heated to decomposition it emits acrid smoke and irritating fumes.
Synthese
A synthetic method of Dibenzoyl-L-tartaric acid includes the following steps: with L-tartaric acid and benzoyl chloride as raw materials, copper sulfate as a catalyst and toluene as a solvent, carrying out reaction to prepare L-dibenzoyl tartaric anhydride, carrying out hydrolysis with an equal amount of water and toluene to obtain the L-dibenzoyl tartaric acid, wherein the toluene serving as the solvent, as well as the water and the toluene in the hydrolysis step, can be repeatedly utilized.

Dibenzoyl-L-tartaric acid Upstream-Materialien And Downstream Produkte

dibenzoyl-L-weinsuremonohydrat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

2743-38-6, Dibenzoyl-L-tartaric acid Verwandte Suche:

Send Inquriy