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CAS RN: 6192-52-5 | Product Number: T0267

p-Toluenesulfonic Acid Monohydrate


Purity: >98.0%(T)(HPLC)
Synonyms:
  • PTSA Monohydrate
Documents:
25G
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500G
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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
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 104.0 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 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
*This code is applied to the products when TCI exports from Japan and not for import in your country.
Application
Acetylation of Alcohols using Acetylating Reagents and Acid Catalysts

T0267

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

T0267

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

T0267

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

T0267

Reference


PubMed Literature


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