Toluene-4-Sulfonic Acid Monohydrate 500G
for analysis EMSURE® ACS
Manufacturer: Merck
Catalog ID: 109613.0500
Stock: In Stock
Description
| Catalogue Number | 109613 |
| Replaces | TX0770; TX0770-3 |
| Synonyms | p-Toluenesulfonic acid, Tosylic acid, Tosic acid, PTSA |
Product Information
| CAS number | 6192-52-5 |
| EC index number | 016-030-00-2 |
| EC number | 203-180-0 |
| Grade | ACS |
| Hill Formula | C₇H₈O₃S * H₂O |
| Chemical formula | CH₃C₆H₄SO₃H * H₂O |
| Molar Mass | 190.22 g/mol |
| HS Code | 2904 10 00 |
Physicochemical Information
| Boiling point | 140 °C (27 hPa) |
| Flash point | 180 °C |
| Ignition temperature | 600 °C |
| Melting Point | 56 °C Elimination of water of crystallisation |
| pH value | 1 (650 g/l, H₂O, 20 °C) (anhydrous substance) |
| Bulk density | 510 kg/m3 |
| Solubility | 750 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 2570 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (acidimetric, calc. on anhydrous substance) | ≥ 99.0 % |
| Identity | passes test |
| Appearance of solution | conforms |
| Sulphate (SO₄) | ≤ 0.3 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.01 % |
| Na (Sodium) | ≤ 0.002 % |
| TLC-Test | passes test |
| Sulfated ash | ≤ 0.1 % |
| Water (according to Karl Fischer) | 9.5 - 11.5 % |
