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Home > Products >  China Biggest Factory & Manufacturer supply D-Galactal 50MT/Year

China Biggest Factory & Manufacturer supply D-Galactal 50MT/Year CAS NO.21193-75-9

  • FOB Price: USD: 1.00-2.00 /Kilogram Get Latest Price
  • Min.Order: 500 Kilogram
  • Payment Terms: L/C,D/A,D/P,T/T,Other
  • Available Specifications:

    AAAAA(50-100)KilogramAAAAA(100-500)Kilogram

  • Product Details

Keywords

  • D-Galactal
  • 21193-75-9
  • D-Galactal

Quick Details

  • ProName: China Biggest Factory & Manufacturer s...
  • CasNo: 21193-75-9
  • Molecular Formula: 21193-75-9
  • Appearance: white powder
  • Application: chemicals industry
  • DeliveryTime: 3-5 days
  • PackAge: 25KG/Drum
  • Port: Shanghai Guangzhou Qingdao Shenzhen
  • ProductionCapacity: 50 Metric Ton/Month
  • Purity: 99%
  • Storage: 2-8°C
  • Transportation: By air /Sea/ coruier
  • LimitNum: 500 Kilogram
  • Grade: Industrial Grade,Food Grade,Pharma Gra...
  • Color: white
  • Melting point: ≥350°C
  • Boiling point: 363.24°C (rough estimate)
  • density: 1.667
  • solubility: 1 M NaOH: 10 mg/mL, dark green
  • Water Solubility: <0.1 g/100 mL at 21 oC
  • Stability: Stable. Combustible. Incompatible with...

Superiority

D-Galactal Basic information
Product Name: D-Galactal
Synonyms: GALACTAL;GALACTAL, D-;D-GALACTAL;D-Galactat;2-(Hydroxymethyl)-3,4-dihydro-2H-pyran-3,4-diol;1,5-ANHYDRO-2-DEOXY-D-LYXO-HEX-1-ENITOL;(2R,3R,4R)-2-(hydroxymethyl)-3,4-dihydro-2H-pyran-3,4-diol;(2R)-2α-(Hydroxymethyl)-3,4-dihydro-2H-pyran-3α,4α-diol
CAS: 21193-75-9
MF: C6H10O4
MW: 146.14
EINECS: 244-264-7
Product Categories: 13C & 2H Sugars;Biochemistry;Galactose;Glycals;Sugars;Carbohydrates & Derivatives
Mol File: 21193-75-9.mol
D-Galactal Structure
 
D-Galactal Chemical Properties
Melting point  99-103 °C (lit.)
Boiling point  325.5±42.0 °C(Predicted)
density  1.414±0.06 g/cm3(Predicted)
refractive index  -22 ° (C=1.2, MeOH)
storage temp.  2-8°C
storage temp.  Hygroscopic, -20°C Freezer, Under Inert Atmosphere
solubility  Acetonitrile (Slightly), Methanol (Slightly)
form  White to Off-White
pka 12.79±0.60(Predicted)
color  Solid
optical activity [α]22/D 21.5°, c = 1.2 in methanol
BRN  81690
Stability: Moisture Sensitive
InChIKey YVECGMZCTULTIS-HSUXUTPPSA-N
CAS DataBase Reference 21193-75-9(CAS DataBase Reference)
 
Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-24/25
WGK Germany  3
HS Code  29329990
MSDS Information
Provider Language
ACROS English
SigmaAldrich English
 
D-Galactal Usage And Synthesis
Chemical Properties White Powder
Uses D-Galactal is an important building block for both solution- and solid-phase synthesis of oligosaccharides.
Uses

Important building block for both solution- and solid-phase synthesis of oligosaccharides.
Purification Methods Recrystallise D-galactal from EtOAc, EtOH or EtOAc/MeOH. [Overend et al. J Chem Soc 675 1950, Wood & Fletcher J Am Chem Soc 79 3234 1957, Distler & Jourdian J Biol Chem 248 6772 1973, Beilstein 17 III/IV 2332.]
 
D-Galactal Preparation Products And Raw materials
Raw materials barium methanolate-->3,4,6-Tri-O-acetyl-D-galactal-->Tri-O-acetyl-D-glucal-->D-Galactopyranose pentaacetate-->2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide-->beta-D-Galactose pentaacetate-->D-(+)-GALACTOSE-->Methanol-->Sodium methoxide
Preparation Products 6-O-(TRIISOPROPYLSILYL)-D-GALACTAL
 

Details

D-Galactal Basic information
Product Name: D-Galactal
Synonyms: GALACTAL;GALACTAL, D-;D-GALACTAL;D-Galactat;2-(Hydroxymethyl)-3,4-dihydro-2H-pyran-3,4-diol;1,5-ANHYDRO-2-DEOXY-D-LYXO-HEX-1-ENITOL;(2R,3R,4R)-2-(hydroxymethyl)-3,4-dihydro-2H-pyran-3,4-diol;(2R)-2α-(Hydroxymethyl)-3,4-dihydro-2H-pyran-3α,4α-diol
CAS: 21193-75-9
MF: C6H10O4
MW: 146.14
EINECS: 244-264-7
Product Categories: 13C & 2H Sugars;Biochemistry;Galactose;Glycals;Sugars;Carbohydrates & Derivatives
Mol File: 21193-75-9.mol
D-Galactal Structure
 
D-Galactal Chemical Properties
Melting point  99-103 °C (lit.)
Boiling point  325.5±42.0 °C(Predicted)
density  1.414±0.06 g/cm3(Predicted)
refractive index  -22 ° (C=1.2, MeOH)
storage temp.  2-8°C
storage temp.  Hygroscopic, -20°C Freezer, Under Inert Atmosphere
solubility  Acetonitrile (Slightly), Methanol (Slightly)
form  White to Off-White
pka 12.79±0.60(Predicted)
color  Solid
optical activity [α]22/D 21.5°, c = 1.2 in methanol
BRN  81690
Stability: Moisture Sensitive
InChIKey YVECGMZCTULTIS-HSUXUTPPSA-N
CAS DataBase Reference 21193-75-9(CAS DataBase Reference)
 
Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-24/25
WGK Germany  3
HS Code  29329990
MSDS Information
Provider Language
ACROS English
SigmaAldrich English
 
D-Galactal Usage And Synthesis
Chemical Properties White Powder
Uses D-Galactal is an important building block for both solution- and solid-phase synthesis of oligosaccharides.
Uses

Important building block for both solution- and solid-phase synthesis of oligosaccharides.
Purification Methods Recrystallise D-galactal from EtOAc, EtOH or EtOAc/MeOH. [Overend et al. J Chem Soc 675 1950, Wood & Fletcher J Am Chem Soc 79 3234 1957, Distler & Jourdian J Biol Chem 248 6772 1973, Beilstein 17 III/IV 2332.]
 
D-Galactal Preparation Products And Raw materials
Raw materials barium methanolate-->3,4,6-Tri-O-acetyl-D-galactal-->Tri-O-acetyl-D-glucal-->D-Galactopyranose pentaacetate-->2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide-->beta-D-Galactose pentaacetate-->D-(+)-GALACTOSE-->Methanol-->Sodium methoxide
Preparation Products 6-O-(TRIISOPROPYLSILYL)-D-GALACTAL
 

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