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Ninhydrin, ACS reagent - CAS 485-47-2 - Formula C9H6O4

43846 485-47-2 Ninhydrin, ACS reagent 2,2-Dihydroxy-1,3-indanedione Alfa Aesar


Certificate of Analysis

Ninhydrin, ACS reagent

CAS: 485-47-2 MDL: MFCD00003791  EINECS: 207-618-1
Not regulated for shipping
Alternate Name: 2,2-Dihydroxy-1,3-indanedione


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
25g 47.00 Check Availability Add to Favorites Enter qty and click checkbox
100g 127.00 Check Availability Add to Favorites Enter qty and click checkbox
500g 492.00 Check Availability Add to Favorites Enter qty and click checkbox

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.

Other References

Merck: 14,6554
Beilstein: 1910963
Harmonized Tariff Code: 2914.39

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

Risk & Safety

Risk Phrases: 22-36/37/38
Harmful if swallowed. Irritating to eyes, respiratory system and skin.
Safety Phrases: 26-36/37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.
RTECS: NK5425000