Ninhydrin, Spectrophotometric Grade

: Thermo Fisher Scientific

Ninhydrin, Spectrophotometric Grade

: Thermo Fisher Scientific

Ninhydrin, Spectrophotometric Grade

: Ninhydrin monohydrate, Trioxohydrindene monohydrate, 2,2-Dihydroxyindane-1,3-dione, 2,2-Dihydroxy-1,3-indanedione, Indanetrione hydrate, 2,2-Dihydroxyindan-1,3-dion, 1,2,3-Indantrione monohydrate

:485-47-2
:C₉H₆O₄
:MFCD00003791
:178.14 g/mol
:13,06582
:351 °C (1013 hPa)
:250 °C (dec.)
:0,862 g/cm³ (20 °C)
:Stue temperatur
:207-618-1

: Ninhydrin monohydrate, Trioxohydrindene monohydrate, 2,2-Dihydroxyindane-1,3-dione, 2,2-Dihydroxy-1,3-indanedione, Indanetrione hydrate, 2,2-Dihydroxyindan-1,3-dion, 1,2,3-Indantrione monohydrate

:485-47-2
:C₉H₆O₄
:MFCD00003791
:178.14 g/mol
:13,06582
:351 °C (1013 hPa)
:250 °C (dec.)
:0,862 g/cm³ (20 °C)
:Stue temperatur
:207-618-1

ACRO16587

Appearance:
White to light yellow Crystalline powder or crystals
Infrared spectrum:
Conforms
Sulfated ash:
≤0.1 %
pH:
4.0 to 5.6 (1 % in water)
Suitability:
(for amino acid analysis) Passes test
Specific optical rotation:
+13.5° to +15.5° (20°C, 589 nm) (c=10, 6 N HCl) (dried substance)
Titration with HClO4:
98.5 to 101.0 % (dried substance)
Sulfates:
≤300 ppm
Chlorides:
≤200 ppm
Ammonium (NH4):
≤200 ppm
Iron (Fe):
≤10 ppm
Ninhydrin-positive substances:
≤0.10 % (Any ninhydrin-positive substance)

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