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33437 Sigma-Aldrich

Ninhydrin

puriss. p.a., ≥99%

Synonym: 1,2,3-Indantrione monohydrate, 2,2-Dihydroxy-1,3-indanedione, Trioxohydrindene monohydrate

  • CAS Number 485-47-2

  • Empirical Formula (Hill Notation) C9H6O4

  • Molecular Weight 178.14

  •  Beilstein Registry Number 1910963

  •  EC Number 207-618-1

  •  MDL number MFCD00003791

  •  PubChem Substance ID 329754547

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, I-N, Puriss p.a., Puriss p.a. More...
InChI Key   FEMOMIGRRWSMCU-UHFFFAOYSA-N
grade   puriss. p.a.
assay   ≥99%
ign. residue   ≤0.1% (as SO4)
pH   4.6-5.0 (20 °C, 1%)
mp   250 °C (dec.)(lit.)
storage temp.   2-8°C

Description

Application

Used for the detection of free amino groups in amino acids, peptides and proteins.

Ninhydrin (triketohydrindene hydrate) may be used as reagent for the quantification of amino acids and peptides by photometric method and colorimetric method. It may be used to prepare the ninhydrin reagent, by mixing ninhydrin and hydrindantin (reduced form of ninhydrin) in dimethyl sulfoxide. This reagent is used in manual ninhydrin method for the quantitative determination of amino acids.

Other Notes

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Price and Availability

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Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
NK5425000

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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