Ninhydrin, Spectrophotometric Grade

Supplier: THERMO FISHER SCIENTIFIC CHEMICALS

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ThermoScintific Chemicals

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16587-0250 16587-1000 16587-5000

TS16587-0250EA 88 USD

TS16587-0250 TS16587-1000 TS16587-5000

Ninhydrin, Spectrophotometric Grade

Ninhydrin

Formula: C₉H₆O₄
Melting Pt: 250 °C (dec.)
Storage Temperature: Ambient

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

https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=d0ff1a5cd0c772262dac61a6c63dbdeca97baa2c&vid=82a2af851edec4c197cf469f23c01bcfac3216a4&prid=web&clid=SAPDAM

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	≤0.5 % (Total)

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