1,2,3-Indantrione(CAS 485-47-2)
UN No.:
UN 1170 3 /PG II
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 1G | In Stock | 3 USD
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| 98% | RG | 5G | In Stock | 4 USD
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| 98% | RG | 25G | In Stock | 12 USD
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| 98% | RG | 100G | In Stock | 30 USD
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| 98% | RG | 500G | In Stock | 147 USD
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| 98% | RG | 2.5KG | In Stock | 1042 USD
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| 99% | RG | 1G | In Stock | 3 USD
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| 99% | RG | 5G | In Stock | 5 USD
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| 99% | RG | 25G | In Stock | 13 USD
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| 99% | RG | 100G | In Stock | 50 USD
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| 99% | RG | 500G | In Stock | 249 USD
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| 99% | RG | 2.5KG | In Stock | 1236 USD
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Quality System
Applications of 485-47-2
| Industry | Application | Process |
|---|---|---|
| Forensics | Fingerprint developing reagent | Spray or immerse latent fingerprint surfaces with ninhydrin solution (typically 0.5–1% in ethanol or acetone), then heat (approximately 80–100°C) or allow to stand at room temperature to react with amino acids and form purple Ruhemann’s purple for fingerprint visualization. |
| Biochemistry | Qualitative and quantitative analysis of amino acids, peptides, and proteins | Heat α-amino acids with ninhydrin in a weakly acidic buffer (e.g., acetate buffer, pH 5.0) at 100°C for 15–20 minutes in a water bath; measure absorbance of the resulting blue-purple product at 570 nm via spectrophotometry. |
| Clinical diagnostics | Screening for amino acid metabolic disorders (e.g., maple syrup urine disease, phenylketonuria) in urine and blood | Determine total urinary amino acid concentration using the ninhydrin colorimetric method; after deproteinization, react samples with ninhydrin reagent and assess amino acid levels semi-quantitatively based on color intensity. |
| Pharmaceutical manufacturing | Impurity detection in quality control of active pharmaceutical ingredients (APIs) and intermediates | Use as a derivatization reagent in HPLC to react with impurities containing primary amine or α-amino acid structures, thereby enhancing UV absorption or fluorescence response to improve detection sensitivity and selectivity. |
| Education and research | Common chromogenic reagent in biochemistry teaching laboratories | After paper chromatography or thin-layer chromatography (TLC) of amino acids, spray ninhydrin developer onto the plate and apply mild heating to visualize separated spots as purple bands for amino acid identification and Rf value determination. |
Physical and chemical properties of 485-47-2
Acidity coefficient |
8.47±0.20(Predicted) |
|---|---|
Boiling Point |
449.3±45.0 °C at 760 mmHg |
BRN |
1910963 |
Decomposition |
241 °C |
Density |
1.7±0.1 g/cm3 |
Exact Mass |
178.026611 |
Flash Point |
239.7±25.2 °C |
Index of Refraction |
1.737 |
LogP |
1.07 |
Melting Point |
466 to 469 °F (Decomposes) (NTP, 1992) |
Merck |
14,6554 |
Molecular Formula |
C9H6O4 |
Molecular Weight |
178.141 |
Odor |
Odorless |
pH |
4.6-5.0 (10g/l, H2O, 20℃) |
pH Range |
4.6 - 5.0 |
PSA |
74.60000 |
Sensitivity |
Light Sensitive |
Solubility |
Solubility in water: soluble |
Stability |
Stable. Incompatible with amines, alkalies, strong bases. Light-sensitive. |
Storage condition |
Store at RT. |
Vapour density |
6.16 (vs air) |
Vapour Pressure |
0.00000024 [mmHg] |
Water Solubility |
0.1-0.5 g/100 mL at 20 ºC |
Spectrums of 485-47-2
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 485-47-2
Cas:100343-43-9
Cas:65299-21-0
Cas:605-37-8
Cas:623-11-0
Q&A for CAS 485-47-2
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
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Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
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If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 485-47-2
Pictograms |
 |
|---|---|
Signal Word |
Warning |
Hazard Statements |
H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
Safety Data Sheet |
Download COA of 485-47-2
Operate under the ISO 9001 system
