Molekula
Ninhydrin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ninhydrin is an organic compound widely used as a reagent for detecting amino acids, peptides, and proteins in chromatography and forensic analysis, producing a distinctive blue-purple color upon reaction. It is also employed in fingerprint detection due to its ability to react with amino acids in sweat residues. This chemical has a CAS number of 485-47-2, with a molecular formula of C9H6O4 and a molecular weight of 178.14. It is stored at ambient conditions and carries a signal word of Warning. Molekula supplies Ninhydrin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — $66.50 per pack
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50 g — $114.00 per pack
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100 g — $183.50 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Off white/ pale yellow crystalline powder |
| Melting Point | 248 - 252°C |
| Identification | Conforms to reference |
| pH | 4 - 6 |
| Solubility | 0.1g in 10ml water is clear pale yellow solution |
| Assay (Anhydrous) | ≥99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.00000024 mmHg |
Source: PubChem CID 10236 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 65877998 |
| CAS Number | 485-47-2 |
| IUPAC Name | 2,2-dihydroxyindene-1,3-dione |
| EC Number | 207-618-1 |
| Molecular Formula | C9H6O4 |
| Molecular Weight | 178.14 |
| Exact Mass | 178.0266 |
| SMILES | C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O |
| InChIKey | FEMOMIGRRWSMCU-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H6O4/c10-7-5-3-1-2-4-6(5)8(11)9(7,12)13/h1-4,12-13H |
| PubChem CID | 10236 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2914.39.9000 |
| Tariff Code | 2914390090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,2,3-Indantrione monohydrate
- 1,2,3-Indantrione, 2-hydrate
- 1,3-Indandione, 2,2-dihydroxy-
- 1H-Indene-1,3(2H)-dione, 2,2-dihydroxy-
- 2,2-Dihydroxy-1,3-indandione
- 2,2-Dihydroxy-1,3-indanedione
- 2,2-Dihydroxy-1H-indene-1,3(2H)-dione
- Indantrione Monohydrate
- Ninhydrin hydrate
- Triketohydrindene hydrate
Frequently asked questions
What is ninhydrin commonly used for?
Ninhydrin is primarily used for detecting amino acids, peptides, and proteins in chromatography, as well as in forensic analysis to develop latent fingerprints.
What is the chemical formula and molecular weight of ninhydrin?
The chemical formula is **C₉H₆O₄**, and the molecular weight is **178.14 g/mol**.
What safety classification does ninhydrin fall under?
Ninhydrin is labeled with the **signal word 'Warning'** and requires handling with standard laboratory precautions (gloves, eye protection).
How should ninhydrin be stored?
Store ninhydrin in a tightly sealed container at **ambient temperature**, away from moisture and direct sunlight.
Does Molekula supply ninhydrin in bulk quantities?
Yes, Molekula can supply ninhydrin in bulk, with quantities tailored to your research or industrial needs—contact us for pricing and lead times.
What documentation is provided with a ninhydrin order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.