147923
Camphor-10-sulfonic acid (β)
98%
Synonym(s):
CSA
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About This Item
Empirical Formula (Hill Notation):
C10H16O4S
CAS Number:
Molecular Weight:
232.30
UNSPSC Code:
12352106
NACRES:
NA.22
PubChem Substance ID:
EC Number:
227-527-0
Beilstein/REAXYS Number:
3205973
MDL number:
Assay:
98%
Form:
solid
Quality Segment
assay
98%
form
solid
mp
203-206 °C (dec.) (lit.)
functional group
ketone, sulfonic acid
SMILES string
[H][C@@]12CC[C@@](CS(O)(=O)=O)(C(=O)C1)C2(C)C
InChI
1S/C10H16O4S/c1-9(2)7-3-4-10(9,8(11)5-7)6-15(12,13)14/h7H,3-6H2,1-2H3,(H,12,13,14)/t7-,10-/m1/s1
InChI key
MIOPJNTWMNEORI-GMSGAONNSA-N
General description
Camphorsulfonic acid is a organosulphur compound.
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.
signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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