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Ammonium (-)-3-bromo-8-camphorsulfonate

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Ammonium (-)-3-bromo-8-camphorsulfonate Basic information

Product Name:
Ammonium (-)-3-bromo-8-camphorsulfonate
Synonyms:
  • AMMoniuM ((1S,3R,4R,7S)-3-broMo-1,7-diMethyl-2-oxobicyclo[2.2.1]heptan-7-yl)Methanesulfonate
  • Ammonium (-)-3-bromo-8-camphorsulfonate L-(-)-alpha-Bromocamphor-8-sulfonic acid ammonium salt
  • (1S,4R,7-anti)-3α-Bromo-1,7-dimethyl-2-oxobicyclo[2.2.1]heptane-7-methanesulfonic acid ammonium salt
  • L(-)-alpha-Bromocamphor-pi-sulfonic acid, ammonium salt,99%
  • L-(-)-α-Bromocamphor-Pi-Sulfonic Acid Ammonium Salt
  • L-(-)-a-Bromocamphor-8-sulfonic Acid Ammonium Salt
  • (1S,3R,4R,7S)-3-bromo-1,7-dimethyl-2-oxo-Bicyclo[2.2.1]heptane-7-methanesulfonic acid, ammonium salt
  • L-(-)-α-Bromocamphor-8-sulfonic Acid Ammonium Salt
CAS:
55870-50-3
MF:
C10H18BrNO4S
MW:
328.22
EINECS:
259-871-2
Product Categories:
  • Chiral Reagents
  • Sulfur & Selenium Compounds
Mol File:
55870-50-3.mol
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Ammonium (-)-3-bromo-8-camphorsulfonate Chemical Properties

Melting point:
290 °C
Density 
1.4048 (estimate)
storage temp. 
Inert atmosphere,Store in freezer, under -20°C
solubility 
DMSO, Methanol
form 
Solid
color 
Off-White
CAS DataBase Reference
55870-50-3(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
37/39-26-36
HS Code 
29147000

MSDS

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Ammonium (-)-3-bromo-8-camphorsulfonate Usage And Synthesis

Chemical Properties

white to off-white crystalline powder or needles

Uses

Ammonium (-)-3-bromo-8-camphorsulfonate is bromocamphor solutions use in optically resolutions.

Purification Methods

Pass a hot aqueous solution of it through an alumina column to remove water-soluble coloured impurities which remain on the column when the ammonium salt is eluted with hot water. The salt is crystallised from water and dried over CaCl2 in a desiccator [Craddock & Jones J Am Chem Soc 84 1098 1962, Kauffmann J Prakt Chem 33 295 1966]. [Beilstein 11 H 319, 11 I 77, 11, II 183, 11 III 595.]

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