Ninhydrin, Spectrophotometric Grade

Supplier: Thermo Scientific Chemicals

ThermoScintific Chemicals

ThermoScintific Chemicals

Irritant Warning

Warning

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

16587-1000 16587-0250 16587-5000

TS16587-1000EA 252 USD

TS16587-1000 TS16587-0250 TS16587-5000

Ninhydrin, Spectrophotometric Grade

Ninhydrin

Formula: C₉H₆O₄
MW: 178.14 g/mol
Melting Pt: 250 °C (dec.)
Storage Temperature: Ambient

MDL Number: MFCD00003791
CAS Number: 485-47-2
EINECS: 207-618-1
Merck Index: 1306582

https://us.vwr.com/stibo/web/std.lang.all/70/01/2297001.jpg

Specification Test Results

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)
Ninhydrin-positive substances	≤0.5 % (Total)

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