L(+)-Weinsäure Ph. Eur.

Lieferant: Thermo Scientific
Gefahr

Synonyms: natürliche Weinsäure(R,R)-(+)-2,3-Dihydroxybutandisäure(R,R)-(+)-Weinsäure(R,R)-(+)-2,3-Dihydroxysuccinsäure(R,R)-(+)-2,3-Dihydroxybernsteinsäure(R,R)-(+)-2,3-Dihydroxy-1,4-butandisäureL(+)-Threarsäure

ACRO388280010EA 84.5 CHF
ACRO388280010
L(+)-Weinsäure Ph. Eur.
L(+)-Weinsäure
Formel: C₄H₆O₆
MW: 150,09 g/mol
Siedepunkt: 399 °C (1013 hPa)
Melting Pt: 168…172 °C
Flash-Pt: 210 °C (geschlossener Tiegel)
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00064207
CAS-Nummer: 87-69-4
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Spezifikation Testergebnisse

Appearance Colorless to white to almost white Crystalline powder or crystals
Loss on drying ≤0.2 % (1 g, 105°C)
Sulfated ash ≤0.1 % (1 g)
Appearance of solution (5 g in 50 ml water) clear and not more intensely colored than ref. soln. Y6
Identification A Passes test
Identification B Passes test
Specific optical rotation +12.0° to +12.8° (20°C, 589 nm) (c=20, H2O) (on dried substance)
Titration with NaOH 99.5 to 101.0 % (on dried substance)
Sulfates ≤150 ppm
Chlorides ≤100 ppm
Calcium (Ca) ≤200 ppm
Impurity ≤350 ppm (as anhydrous oxalic acid)

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