Camphor-10-sulfonic acid (β)
ALDRICH/147923 - 98%
Synonym: CSA
CAS Number: 5872-08-2
Empirical Formula (Hill Notation): C10H16O4S
Molecular Weight: 232.30
EC Number: 227-527-0
MDL Number: MFCD00074827
Linear Formula: C10H16O4S
Product Type: Chemical
assay | 98% |
form | solid |
InChI | 1S/C10H16O4S/c1-9(2)7-3-4 |
InChI key | MIOPJNTWMNEORI-GMSGAONNSA |
mp | 203-206 °C (dec.) (lit.) |
Quality Level | 200 |
SMILES string | [H][C@@]12CC[C@@](CS(O)(= |
Application: | Camphor-10-sulfonic acid (β) (CSA) is extensively used as an acid catalyst. • It can be used in a catalytic amount to protect hydroxyl groups as tetrahydropyranyl (THP) ethers using dihydropyran. • It also catalyzes the protection of ketones as ketals. • It is a useful catalyst for the intramolecular ring opening of epoxides. • CSA can also be used to catalyze nucleophile-promoted alkyne-iminium cyclization in the total synthesis of pumiliotoxin A. |
General description: | Camphorsulfonic acid is a organosulphur compound. |
Packaging: | 100, 500 g in glass bottle |
Symbol | GHS05 |
Signal word | Danger |
Hazard statements | H314 |
Precautionary statements | P260 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
Hazard Codes | C |
Risk Statements | 34 |
Safety Statements | 26-36/37/39-45 |
RIDADR | UN 3261 8 / PGII |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | 98% |
mp | 203-206 °C (dec.) (lit.) |
UNSPSC | 12352106 |