Ninhydrin, ACS reagent

CAS Number 485-47-2 Synonyms
  • 2,2-Dihydroxy-1,3-indanedione
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Ninhydrin, ACS reagent

MDL: MFCD00003791
EINECS: 207-618-1

Chemical Properties

Formula: C9H6O4  Melting point: 251° dec.
Formula weight: 178.14  Sensitivity: Light Sensitive
Form: Crystalline Solubility: Soluble in water and alcohol


Reagent for determination of amino acids and amine containing compounds, as an intermediate.

Grade Specs

Maximum level of impurities: Appearance White to brownish-white crystals, Identification and melting point P.T., Solubility P.T., Sensitivity to amino acids P.T.

GHS Hazard and Precautionary Statements

Hazard Statements : H302-H315-H319-H335

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P261-P280-P305+P351+P338-P304+P340-P405-P501A

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Harmful or Irritant

Other References

Merck: 14,6554
Beilstein: 1910963
Harmonized Tariff Code: 2914.39
RTECS: NK5425000
Ninhydrin, ACS reagent - CAS 485-47-2 - Formula C9H6O4


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