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Cas Database |
| Name |
Methyl alpha-D-galactopyranoside |
EINECS | 222-251-7 |
| CAS No. | 3396-99-4 | Density | 1.47 g/cm3 |
| PSA | 99.38000 | LogP | -2.56730 |
| Solubility | N/A | Melting Point |
116-117 oC |
| Formula | C7H14O6 | Boiling Point | 389.1 °C at 760 mmHg |
| Molecular Weight | 194.185 | Flash Point | 189.1 °C |
| Transport Information | N/A | Appearance | White Powder |
| Safety | 24/25-22 | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Galactopyranoside,methyl, a-D- (8CI);1-O-Methyl-a-D-galactopyranoside;Methyl a-D-galactopyranoside;Methyl a-D-galactoside;Methyl a-galactopyranoside;NSC 33684; |
Article Data | 154 |
Methyl alpha-D-galactopyranoside Synthetic route
| Conditions | Yield |
|---|---|
| With acetyl chloride for 0.583333h; Heating; microwave irradiation; | 100% |
| Amberlite IR-120 (H+) resin for 24h; Heating; | 55% |
| With hydrogenchloride | |
| With Amberlite IR 120 (H+ form) for 0.333333h; Reflux; Microwave irradiation; | |
| With acetyl chloride for 12h; Inert atmosphere; Reflux; |
- 14315-82-3
methyl 2,3,4,6-tetra-O-benzoyl-α-D-galactopyranoside
- 3396-99-4
methyl α-D-galactopyranoside
| Conditions | Yield |
|---|---|
| With palladium on activated charcoal; hydrogen In methanol; ethyl acetate for 3h; Molecular sieve; | 100% |
| Conditions | Yield |
|---|---|
| With polymer-supported potassium thiophenolate In tetrahydrofuran; methanol at 80℃; for 2.5h; | 98% |
| With Amberlyst A-26(OH) In methanol for 6h; Ambient temperature; | 94% |
| Conditions | Yield |
|---|---|
| With tris(2,4,6-trimethoxyphenyl)phosphine In methanol at 20℃; for 30h; | 93% |
| In methanol; water; triethylamine at 20℃; for 24h; | |
| With methanol; sodium methylate at 20℃; Reagent/catalyst; | 100 %Spectr. |
| With ammonium hydroxide In tetrahydrofuran; methanol |
| Conditions | Yield |
|---|---|
| tetrafluoroboric acid In acetonitrile at 20℃; for 0.2h; | 87.2% |
- 117858-45-4
methyl α-galactopyranoside 6-sulfate
A
- 23339-18-6, 34339-61-2, 34340-42-6, 61278-06-6, 132074-93-2
methyl 2,3-dideoxy-α-D-threo-hexopyranoside
B
- 3396-99-4
methyl α-D-galactopyranoside
| Conditions | Yield |
|---|---|
| With sodium hydroxide at 100℃; | A 86% B n/a |
| With sodium hydroxide at 100℃; Title compound not separated from byproducts; | A 86% B n/a |
- 67-56-1
methanol
- 10257-28-0
D-Galactose
A
- 153831-23-3
Methyl α,β-D-galactofuranoside
B
- 3396-99-4
methyl α-D-galactopyranoside
| Conditions | Yield |
|---|---|
| With iron(III) chloride Heating; | A 65% B 24% |
- 67-56-1
methanol
- 59-23-4
D-Galactose
A
- 3795-67-3
methyl α-D-galactofuranoside
B
- 1824-93-7
methyl-β-D-galactofuranoside
C
- 1824-94-8
methyl beta-D-galactopyranoside
D
- 3396-99-4
methyl α-D-galactopyranoside
| Conditions | Yield |
|---|---|
| With amberlite IR-120H In methanol at 35℃; for 48h; | A 17 % Spectr. B 60% C 6 % Spectr. D 9 % Spectr. |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; methanol |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; methanol; dimethylsulfite |
Methyl alpha-D-galactopyranoside Chemical Properties
IUPAC name: (2R,3R,4S,5R,6S)-2-(Hydroxymethyl)-6-methoxyoxane-3,4,5-triol
Molecular Formula: C7H14O6
Molecular Weight: 194.18 g/mol
EINECS: 222-251-7
Storage temp.: 2-8 °C
Melting point: 116-117 °C
Index of Refraction: 1.548
Surface Tension: 68.3 dyne/cm
Density: 1.47 g/cm3
Flash Point: 189.1 °C
Appearance: White Powder
Enthalpy of Vaporization: 73.83 kJ/mol
Boiling Point: 389.1 °C at 760 mmHg
Vapour Pressure: 1.15E-07 mmHg at 25 °C
Product Categories: Sugars, Carbohydrates & Glucosides;Sugars;Galactose;13C & 2H Sugars;Biochemistry;
Carbohydrates & Derivatives;Glycosides
Following is the structure of Methyl alpha-D-galactopyranoside (CAS NO.3396-99-4):
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Methyl alpha-D-galactopyranoside Toxicity Data With Reference
Methyl alpha-D-galactopyranoside (CAS NO.3396-99-4) hasn't been listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. And the toxicological properties have not been fully investigated.
Methyl alpha-D-galactopyranoside Safety Profile
Safety Statements: 24/25-22
S24/25:Avoid contact with skin and eyes.
S22:Do not breathe dust.
WGK Germany: 3
F: 3-10
Methyl alpha-D-galactopyranoside Specification
Methyl alpha-D-galactopyranoside , its cas register number is 3396-99-4. It also can be called hexopyranoside, methyl ; and Methyl hexopyranoside . It is stable. But it incompatible with strong oxidizing agents. Methyl alpha-D-galactopyranoside (CAS NO.3396-99-4) should avoid the condition like incompatible materials and light. Its hazardous decomposition products are carbon monoxide, carbon dioxide. Its hazardous polymerization will not occur.
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