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(-)-Camphorsulfonic acid

(-)-Camphorsulfonic acid structure

CAS No:
35963-20-3
Formula:
C10H16O4S
Chemical Name:
(-)-Camphorsulfonic acid
Synonyms:
Bicyclo[2.2.1]heptane-1-methanesulfonic acid,7,7-dimethyl-2-oxo-,(1R,4S)-;Bicyclo[2.2.1]heptane-1-methanesulfonic acid,7,7-dimethyl-2-oxo-,(1R)-;(1R,4S)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulfonic acid;(-)-10-Camphorsulfonic acid;l-Camphorsulfonic acid;(-)-Camphorsulfonic acid;(1R)-(-)-10-Camphorsulfonic acid;(1R)-10-Camphorsulfonic acid;l-10-Camphorsulfonic acid;(-)-(1R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulfonic acid;(1R)-Camphorsulfonic acid;(R)-(-)-10-Camphorsulfonic acid;(R)-Camphor-10-sulfonic acid;(R)-(-)-CSA;L(-)-Camphor-10-sulfonic acid;((1R,4S)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid;(-)-CSA;46242-49-3;137017-40-4;376392-98-2;1146435-75-7;1217513-85-3;1242240-49-8;1272762-55-6;1283735-12-5;1290628-10-2;1404526-19-7;1822297-65-3;2007907-04-0;2166358-65-0;2241798-99-0;2296714-02-6;2299297-59-7
Categories:
Chemical Reagents > Organic Reagents

Description

It is a kind of prismatic crystals and its melting point is 193-195 ° C (decompose). It is Insoluble in ether and slightly soluble in glacial acetic acid and ethyl acetate. And it is and moisture in wet air.

(-)-Camphorsulfonic acid Basic Attributes

Molecular Weight：

232.3

Exact Mass：

232.30

BRN：

2809676

EC Number：

252-817-9

HScode：

29147090

Characteristics

PSA：

79.8

XLogP3：

0.5

Appearance：

White to slightly beige Crystalline Powder

Density：

1.3±0.1 g/cm3

Melting Point：

39 °C

Refractive Index：

1.540

Water Solubility：

H2O: soluble

Storage Conditions：

2-8°C

Specific rotation：

-22 º (c=20,H2O)

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN 3261 8/PG 2

wgk germany：

hazard class code：

safety instructions：

26-36/37/39-45-24/25-27

Marks：

Stability/Shelf Life：

Stable. Hygroscopic. Incompatible with strong bases, strong oxidizing agents.

Precautionary statement(s)：

P280-P305 + P351 + P338-P310

Hazard Statements：

H314

(-)-Camphorsulfonic acid Use and Manufacturing

Methods of Manufacturing

Derived from the reaction of camphor and sulfuric acid. Add camphor and acetic anhydride to the reaction pot and stir to dissolve. After cooling, sulfuric acid was added dropwise and the reaction was maintained at 44-45°C for 48 hours. Then cool to 6-7°C, crystallize, filter, wash the crystal with a small amount of glacial acetic acid, and dry to obtain camphorsulfonic acid.

Uses

A chiral derivative of Camphor. Used in the preparation of a chiral recognition polymer that is used in the chiral separation of amino acids. A catalyst in direct animation of α-branched aldehydes (including important biological molecules such as α-Me phenylglycine) with near perfect enantioselectivity.

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