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CAS RN: 6192-52-5 | Product Number: T0267
p-Toluenesulfonic Acid Monohydrate
Purity: >98.0%(T)(HPLC)
Synonyms:
- PTSA Monohydrate
Product Documents:
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| Product Number | T0267 |
Purity / Analysis Method
|
>98.0%(T)(HPLC) |
| Molecular Formula / Molecular Weight | C__7H__8O__3S·H__2O = 190.22 |
| 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 |
| CAS RN | 6192-52-5 |
Related CAS RN
|
104-15-4 |
| Reaxys Registry Number | 3568023 |
| PubChem Substance ID | 87576246 |
| Merck Index (14) | 9533 |
| MDL Number | MFCD00064387 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Neutralization titration) | 98.0 to 102.0 %(after drying) |
| Melting point | 103.0 to 107.0 °C |
| Solubility in Water | almost transparency |
| Drying loss | max. 3.0 % |
Properties (reference)
| Melting Point | 106 °C |
| Boiling Point | 140 °C/20 mmHg |
| Solubility in water | Soluble |
| Degree of solubility in water | 670 g/l |
| Solubility (soluble in) | Alcohol, Ether |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H314 : Causes severe skin burns and eye damage. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P260 : Do not breathe dusts or mists. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 : Wash contaminated clothing before reuse. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. P405 : Store locked up. |
Related Laws:
| RTECS# | DB7164000 |
Transport Information:
| UN Number | UN2585 |
| Class | 8 |
| Packing Group | III |
| H.S.code* | 2904.10-000 |
Application
Acetylation of Alcohols using Acetylating Reagents and Acid Catalysts

References
- 1)Total Synthesis of the Proposed Structure of Briarellin J
- 2)Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
- P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.
Application
t-Butyldimethylsilylation of Alcohols using TBS Reagents

References
- Facile Cleavage of Triethylsilyl (TES) Ethers Using o-Iodoxybenzoic Acid (IBX) without Affecting tert-Butyldimethylsilyl (TBS) Ethers
- Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
- P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.
Application
Trimethylsilylation of Alcohols using TMS Reagents

Reference
- Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
- P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.
Application
Acid Catalyzed Acetalization Using p-Toluenesulfonic Acid

Reference
- 2-Cyclohexyloxyethanol
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