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4064-06-6,Di-acetone-a-D-galactopyranose, CAS: 4064-06-6

4064-06-6,
1,2:3,4-Di-O-isopropylidene-D-galactose; DIACETONE-ALPHA-D-GAL; DIACETONE-D-GALACTOSE; Diisopropylidenegalactose; 1,2,3,4-di-O-Isopropylidenegalactopyranose; 1,2:3,4-DI-O-ISOPROPYLIDENE-D-GALACTOPYRANOSE;
C12H20O6 / 260.28
MFCD00063225

CAS: 4064-06-6

Product name: 1,2:3,4-Di-O-isopropylidene-D-galactopyranose

CAS: 4064-06-6 M.F.: C12H20O6 M.W.: 260.28

Items

Standards

Results

Appearance

A white or slightly yellowish syrup

Positive

Solubility

Soluble in CHCl3 and

less soluble in petroleum ether

Complies

Appearance of solution

Dissolve0.5gin 10mL of CHCl3,

and the solution should be clear

Complies

NMR and ESI-MS

Should comply

Complies

Identification

IR and TLC

Positive

Optical Activity

[α]20/D (c = 3% in CHCl3)

-58o ~ -60 o

-59.2 o

Refractive Index

n20/D

1.4 ~ 1.5

1.46

Density

1.13 ~ 1.15

1.14

Residue on ignition

Max. 0.5%

0.05%

Heavy metal

Max. 20ppm

Complies

TLC (15%H2SO4-C2H5OH)

One spot

Complies

Assay

Min. 97%

99.2%

References:
1. Santoyo Ganzalez F, Baer HH, Carbohyr. Res. 1990, 15, 202, p33
2. Lee YC, Carbohydr. Res. 1982, 16, 101, p39



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