2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
Synonym(s):2,3,4,6-Tetra-O-acetyl-α-D -galactopyranosyl bromide
- CAS NO.：3068-32-4
- Empirical Formula: C14H19BrO9
- Molecular Weight: 411.2
- MDL number: MFCD00063686
- EINECS: 221-324-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:11:04
What is 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide?
Chemical properties
White Crystalline Solid
The Uses of 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
Temperature and moisture sensitive; Store in freezer; Stabilized with 2% CaCO3
What are the applications of Application
Acetobromo-α-D-galactose is used as an organic condensation reagent for chemistries
Purification Methods
Purify acetobromo-D-galactose as for the glucose analogue (next entry). If the compound melts lower than 87o or is highly coloured, then dissolve it in CHCl3 (ca 3 volumes) and extract with H2O (2 volumes), 5% aqueous NaHCO3, and again with H2O and dry it over Na2SO4. Filter and evaporate it in a vacuum. The partially crystalline solid or syrup is dissolved in dry Et2O (must be very dry) and recrystallised by adding pet ether (b 40-60o) to give a white product. [McKellan & Horecker Biochemical Preparations 11 111 1960, Beilstein 17/6 V 369.]
Properties of 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
| Melting point: | 83-85 °C |
| Boiling point: | 412.0±45.0 °C(Predicted) |
| alpha | 210 º (c=3, CHCl3) |
| Density | 1.7028 (rough estimate) |
| refractive index | 1.4490 (estimate) |
| storage temp. | Inert atmosphere,Store in freezer, under -20°C |
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly), Water (Sli |
| form | Solid |
| color | White to Pale Yellow |
| Water Solubility | Sparingly soluble |
| BRN | 96671 |
| Stability: | Temperature Sensitive; Store in freezer; Stabilized with 2% CaCO3 |
| CAS DataBase Reference | 3068-32-4(CAS DataBase Reference) |
Safety information for 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide manufacturer
Siri Organics
Hyderabad
Phone:91-9490021226
Whatsapp: 91-9490021226
product: 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
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