(±)-Camphor-10-sulfonic acid

• Catalog No.: A12620
• CAS Number: 5872-08-2
• M. F.: C10H16O4S
• M. W.: 232.29664
• Purity: 98%

SYNONYMS

• Title: (+/-)-樟脑-10-磺酸
• IUPAC name: {7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl}methanesulfonic acid
• IUPAC Traditional name: camphorsulfonic acid
• Synonyms: (±)-CSA

DATABASE IDS

• Beilstein Number: 3205973
• CAS Number: 5872-08-2
• MDL Number: MFCD00074827
• EC Number: 227-527-0

PROPERTIES

• Purity: 98%
• Melting Point: ca 200°C dec.
• GHS Hazard statements: H314-H318
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• Risk Statements: 34
• RTECS: DT5077100
• Safety Statements: 20-26-36/37/39-45-60
• Storage Warning: Hygroscopic
• TSCA Listed: 是
• Hazard Class: 8
• UN Number: UN3261
• Packing Group: III

REFERENCES

• Useful acid catalyst, giving high yields in the formation of THP ethers from alcohols; see, e.g.: J. Chem. Soc., Chem. Commun., 413 (1986); Org. Synth., 76, 178 (1998). Catalyst for cycloprotection of 1,2-diols with 1,2-Cyclohexanedione, A14401: Synlett, 793 (1996); Org. Synth., 75, 170 (1997). Preferred catalyst for the intramolecular cyclization of hydroxy epoxides to tetrahydrofurans or tetrahydropyrans: J. Am. Chem. Soc., 111, 5330 (1989).