1. Product information
| Product Name: | 2-Methyl-5-nitrobenzenesulfonic acid |
| Synonyms: | 2-Methyl-5-nitrobenzenesalfonicacid;2-methyl-5-nitro-benzenesulfonicaci;2-toluenesulfonicacid,5-nitro;4-Nitro-o-toluenesulfonicacid;4-nitrotoluene-2-sulphonicacid;5-nitro-2-methylbenzenesulfonicacid;5-nitro-o-toluenesulfonicaci;5-nitro-o-toluenesulfonicacid |
| CAS: | 121-03-9 |
| MF: | C7H7NO5S |
| MW: | 217.2 |
| EINECS: | 204-445-3 |
| Product Categories: | Intermediates of Dyes and Pigments |
| Mol File: | 121-03-9.mol |
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| 2-Methyl-5-nitrobenzenesulfonic acid Chemical Properties |
| Melting point | 135°C |
| Boiling point | 500°C (rough estimate) |
| density | 1.6040 (rough estimate) |
| vapor pressure | 0Pa at 20℃ |
| refractive index | 1.6100 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Methanol (Slightly), Water (Slightly) |
| pka | -1.14±0.33(Predicted) |
| form | Solid |
| color | Very Dark Brown |
| 2-Methyl-5-nitrobenzenesulfonic acid Usage And Synthesis |
| Uses | 5-Nitro-o-toluenesulfonic Acid is a precursor to 4,4''-dinitrostilbene-2,2''-disulfonic acid in fluorescent whitener. |
| Definition | ChEBI: The arenesulfonic acid that is toluene-2-sulfonic acid bearing a nitro substituent at C-4. |
| Production Methods | 4-Nitrotoluene is sulfonated with 25 % oleum at 60 ℃ and worked up to give a solution of the sodium salt of 2-Methyl-5-nitrobenzenesulfonic acid. |
| Flammability and Explosibility | Non flammable |
2. Packaging
For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.
For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product.
Or smaller package 1kg/bottle, 10kgs/bottle as request.
3. Shipping
4. Contact information
For more details, pls contact us freely.
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Mob: 86 13613820652
WhatsApp/Skype/Wechat/LINE: 86 13613820652
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