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CAS RN: 14979-11-4 | Product Number: A5008
Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]
![Chemical Structure of Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]](/medias/A5008.jpg?context=bWFzdGVyfHJvb3R8NTE0ODl8aW1hZ2UvanBlZ3xhRGRtTDJoaU5TODRPVEU1TnpNMU5UazVNVE0wTDBFMU1EQTRMbXB3Wnd8MWMxZjYwMDgzMjMxOTA0YjVkY2E2NzE5MWY1ZTE4Zjg0ODdlZWI5NDNjNjUzMDVlNjVhZjc3ZjY1Zjk4NzQ2Yg "Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]")
![Thumbnail of Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]](/medias/A5008.jpg?context=bWFzdGVyfHJvb3R8MTQwMTN8aW1hZ2UvanBlZ3xhR0V6TDJoaU1pODRPVE16TVRjM05qZzRNRGswTDBFMU1EQTRMbXB3Wnd8ZGJkZDk2YjJmNDRjYzQ1OGI4ODZkMjU3OTYyMjA3ODBlNThiMzU0ODQ2NGRiNzBiN2RhYTU4OGEzMGQyOWQwZg)
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![Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]](/_ui/responsive/theme-tci/images/missing_product_zoom.webp "Dimethylsulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]")
Purity:
Synonyms:
- 2,7-Bis[(4-methyl-2-sulfophenyl)azo]-1,8-dihydroxynaphthalene-3,6-disulfonic Acid
- 2,7-Bis(2-sulfo-p-tolylazo)-1,8-dihydroxy-3,6-naphthalenedisulfonic Acid
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
Shipping Information
|
|---|---|---|---|---|---|
| 1G |
£56.00
|
4 | ≥100 |
|
|
| 5G |
£180.00
|
1 | 8 |
|
* Stock available in Belgium: Shipment on the same day
* Stock available in Japan: Please check the Shipping Simulation for estimated shipments. (excludes regulated items and dry ice shipments)
| Product Number | A5008 |
| Molecular Formula / Molecular Weight | C__2__4H__2__0N__4O__1__4S__4 = 716.68 |
| Physical State (20 deg.C) | Solid |
Storage Temperature 
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| Packaging and Container
|
1G-Glass Bottle with Plastic Insert (View image) |
| CAS RN | 14979-11-4 |
| Reaxys Registry Number | 7068179 |
| PubChem Substance ID | 87563102 |
| MDL Number | MFCD00151118 |
Specifications
| Appearance | Yellow to Dark green to Black powder to crystal |
| Lambda max. | 570.0 to 580.0 nm(H2O) |
| Absorbance(E1%1cm) | min. 400(H2O, 570.0 to 580.0 nm) |
| Drying loss | max. 15.0 % |
| Ignition residue(Sulfate) | max. 7.0 %(after drying) |
| Sensitiveness | Turn Purplish Blue with Barium perchlorate aq and Turn Purple by adding Potassium sulfate aq |
| NMR | confirm to structure |
Properties (reference)
| Maximum Absorption Wavelength | 575 nm (H__2O) |
GHS
Related Laws:
| EC Number | 239-057-3 |
Transport Information:
| HS Number | 2927000090 |
PubMed Literature
Product Documents (Note: Some products will not have analytical charts available.)
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