Ninhydrin, GR 99%+

Name: Ninhydrin, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-008146

About Ninhydrin, GR 99%+

Ninhydrin (CAS 485-47-2) is a carbonyl building block offered by Vaqora Chemicals in AR grade at a purity of ≥99%. Its molecular formula is C9H6O4 and its molecular weight is 178.14 g/mol. Systematically, it is named 2,2-dihydroxyindene-1,3-dione. Alternative names: 1,2,3-Indantrione monohydrate and 2,2-Dihydroxy-1,3-indanedione.

It is supplied as white to off-white to pale yellow powder or crystals. Key physical data: a melting point of 250 - 254 °C (dec.). Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis, condensation and reductive amination, API intermediates and protein and peptide research. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Ninhydrin in 5 g, 10 g, 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Condensation & reductive amination
API intermediates
Protein & peptide research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ninhydrin, GR 99%+
Catalogue No.	VQ-008146
CAS Number	485-47-2
IUPAC name	2,2-dihydroxyindene-1,3-dione
Molecular formula	C₉H₆O₄
Molecular weight	178.14 g/mol
Exact mass	178.0266
Grade	AR
Purity / assay	≥99%
HSN code	29142990
InChIKey	FEMOMIGRRWSMCU-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O
PubChem CID	10236

Physical properties
Physical form	Crystalline
Appearance	White to off-white to pale yellow powder or crystals
Melting point	250 - 254 °C (dec.)
LogP (XLogP3)	0.1
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	1,2,3-Indantrione monohydrate, 2,2-Dihydroxy-1,3-indanedione, Trioxohydrindene monohydrate, Ninhydrin hydrate, 2,2-Dihydroxy-1H-indene-1,3(2H)-dione, 1H-Indene-1,3(2H)-dione, 2,2-dihydroxy-, Triketohydrindene hydrate, 2,2-Dihydroxy-1,3-indandione, 1,2,3-Indantrione, 2-hydrate, 1,3-Indandione, 2,2-dihydroxy-, Indantrione Monohydrate, Monohydrate, Indantrione

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P305 + P351 + P338

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 485-47-2

Ninhydrin solution

CAS: 485-47-2
Formula: C₉H₆O₄
MW: 178.14 g/mol

VQ-003614

AR / Spectroscopy

Ninhydrin, AR, for spectroscopy >99%

CAS: 485-47-2
Formula: C₉H₆O₄
MW: 178.14 g/mol

VQ-045845

Frequently asked questions

What is the CAS number of Ninhydrin, GR 99%+?

The CAS Registry Number of Ninhydrin, GR 99%+ is 485-47-2. It is also known as 1,2,3-Indantrione monohydrate, 2,2-Dihydroxy-1,3-indanedione, Trioxohydrindene monohydrate.

What is the molecular formula and molecular weight of Ninhydrin, GR 99%+?

Ninhydrin, GR 99%+ has the molecular formula C9H6O4 and a molecular weight of 178.14 g/mol. Its IUPAC name is 2,2-dihydroxyindene-1,3-dione.

Which grade and pack sizes of Ninhydrin, GR 99%+ can I order?

We supply Ninhydrin, GR 99%+ in AR (≥99%) grade, in 5 g, 10 g, 25 g, 100 g, 1 kg, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ninhydrin, GR 99%+?

Yes. Every lot of Ninhydrin, GR 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ninhydrin, GR 99%+ be shipped internationally?

Yes. Ninhydrin, GR 99%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.