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Published TCIMAIL newest issue No.198
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CAS RN: 3688-92-4 | Product Number: H0240
Thorin [for Determination of Th, etc.]
![Chemical Structure of Thorin [for Determination of Th, etc.]](/medias/H0240.jpg?context=bWFzdGVyfHJvb3R8NTcyNDB8aW1hZ2UvanBlZ3xhRE14TDJneE5DODRPVEl4T1RBM056ZzVPRFUwTDBnd01qUXdMbXB3Wnd8MzA2NDczMzdiMGVmYjgzZTE2MzVmYjMxYmQ1YzE4NTRhOTllYjJjY2NiYThiYmM3Y2Y3N2U0NmI0NTc4OTkzOQ "Thorin [for Determination of Th, etc.]")
![Thumbnail of Thorin [for Determination of Th, etc.]](/medias/H0240.jpg?context=bWFzdGVyfHJvb3R8MTYxMzR8aW1hZ2UvanBlZ3xhRGM0TDJnelpTODRPVE0xTXpZMU16UTFNekV3TDBnd01qUXdMbXB3Wnd8ZWFiM2EyNDhlNzAzYjcxODI5ODZmOTgyMzAyMTVkMGEwYzM3MzZiYjdiZmU4NWQzYTcyNmY1MmUwMGFlYTA3Yw)
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![Thorin [for Determination of Th, etc.]](/_ui/responsive/theme-tci/images/missing_product_zoom.jpg "Thorin [for Determination of Th, etc.]")
Purity: >97.0%(T)
Synonyms:
- 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonic Acid Disodium Salt
- Aspan
- 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)benzenearsonic Acid Disodium Salt
- Thoron
- Disodium 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonate
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 1G |
€30.00
|
Contact Us | ≥60 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
| Product Number | H0240 |
Purity / Analysis Method 
|
>97.0%(T) |
| Molecular Formula / Molecular Weight | C__1__6H__1__1AsN__2Na__2O__1__0S__2 = 576.29 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Hygroscopic |
| Packaging and Container
|
1G-Glass Bottle with Plastic Insert (View image) |
| CAS RN | 3688-92-4 |
| PubChem Substance ID | 87570668 |
| MDL Number | MFCD00003888 |
Specifications
| Appearance | Orange to Brown to Dark red powder to crystal |
| Purity(HPLC) | min. 95.0 area% |
| Purity(Iodometric Titration) | min. 97.0 %(after drying) |
| Lambda max. | 480.0 to 490.0 nm(H2O) |
| Absorbance | min. 0.500(25mg/L, H2O, 480.0 to 490.0 nm)(calcd.on dried substance) |
| Drying loss | max. 20.0 % |
| Sensitiveness | Colorimetric Test : Turn Yellow red with Sodium sulfate and turn Red by adding Barium perchlorate |
| NMR | confirm to structure |
Properties (reference)
| Maximum Absorption Wavelength | 485 nm (H__2O) |
| Solubility in water | Slightly soluble |
| Solubility (insoluble in) | Ether, Ethanol |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H301 + H331 : Toxic if swallowed or if inhaled. H410 : Very toxic to aquatic life with long lasting effects. |
| Precautionary Statements | P261 : Avoid breathing dust. P273 : Avoid release to the environment. P264 : Wash skin thoroughly after handling. P391 : Collect spillage. P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth. P403 + P233 : Store in a well-ventilated place. Keep container tightly closed. |
Related Laws:
| EC Number | 222-993-1 |
Transport Information:
| UN Number | UN3465 |
| Class | 6.1 |
| Packing Group | II |
| HS Number | 2931900090 |
PubMed Literature
Product Documents (Note: Some products will not have analytical charts available.)
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Specifications
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