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| CAS No.: | 634-36-6 |
|---|---|
| Name: | 1,2,3-Trimethoxy benzene |
| Article Data: | 100 |
| Molecular Structure: | |
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| Formula: | C9H12O3 |
| Molecular Weight: | 168.192 |
| Synonyms: | 3,4,5-Trimethoxybenzole;NSC 10124;Pyrogallol trimethyl ether;Tri-O-methylpyrogallol;1,2,3-Trimethoxy benzene; |
| EINECS: | 211-207-2 |
| Density: | 1.041 g/cm3 |
| Melting Point: | 43-47 °C(lit.) |
| Boiling Point: | 235 °C at 760 mmHg |
| Flash Point: | 70.4 °C |
| Appearance: | white to dark beige powder |
| Risk Codes: | 36/37/38 |
| Safety: | 22-24/25 |
| PSA: | 27.69000 |
| LogP: | 1.71240 |
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- 634-36-6
1,2,3-trimethoxybenzene
| Conditions | Yield |
|---|---|
| With 1,8-diazabicyclo[5.4.0]undec-7-ene at 90℃; for 5h; Product distribution; Further Variations:; Temperatures; Solvents; Pressures; reaction times; microwave irradiation; | 99% |
| With N,N'-dimethylimidazolium-2-carboxylate In acetonitrile at 160℃; for 1.33333h; Microwave irradiation; Green chemistry; | 93% |
| N,N,N',N'-tetrabutyl-N''-methylguanidine at 180℃; for 4.5h; | 82 % Chromat. |
- 143287-98-3
3,4,5-trimethoxyphenyl trifluoromethanesulfonate
- 634-36-6
1,2,3-trimethoxybenzene
| Conditions | Yield |
|---|---|
| With hydrogen; diethylamine; palladium on activated charcoal In methanol at 20℃; for 4h; | 99% |
| With ammonium acetate; magnesium; palladium on activated charcoal In methanol at 20℃; for 1h; | 89% |
| With methanol; magnesium; palladium on activated charcoal at 20℃; for 12h; |
| Conditions | Yield |
|---|---|
| With potassium hydroxide; iso-butanol; palladium diacetate; triphenylphosphine at 100℃; for 1h; | 99% |
| With 4-methyl-morpholine; tetrahydroxydiboron; 5%-palladium/activated carbon In 1,2-dichloro-ethane at 50℃; for 3h; | 98% |
| With methanol; gold; hydrogen; caesium carbonate at 100℃; under 3800.26 Torr; for 150h; | 93% |
| Conditions | Yield |
|---|---|
| Stage #1: 2-hydroxyresorcinol With sodium hydroxide In acetone at 20℃; for 0.5h; Stage #2: dimethyl sulfate In acetone at 20℃; for 10h; | 98% |
| Stage #1: 2-hydroxyresorcinol With sodium hydroxide at 20℃; for 0.5h; Stage #2: dimethyl sulfate at 20℃; for 10h; | 98% |
| With sodium hydroxide | 98% |
| Conditions | Yield |
|---|---|
| With palladium nanoparticles supported on fibrous silica In cyclohexane at 130℃; Molecular sieve; | 95% |
| With hydrogen In tetrahydrofuran at 165℃; under 15001.5 - 26252.6 Torr; for 1.5h; Solvent; Autoclave; | 90.6% |
| With palladium diacetate In cyclohexane at 140℃; for 24h; Molecular sieve; air; | 68% |
- 25245-29-8
5-iodo-1,2,3-trimethoxybenzene
- 634-36-6
1,2,3-trimethoxybenzene
| Conditions | Yield |
|---|---|
| With 2-(2-methoxyethoxy)ethyl alcohol; oxygen; sodium hydride In 1,4-dioxane at 20℃; for 24h; Schlenk technique; chemoselective reaction; | 95% |
| With hydrogen; triethylamine In methanol; water at 120℃; under 22502.3 Torr; for 52h; Autoclave; | 82% |
| Conditions | Yield |
|---|---|
| With lithium borohydride; C30H21F6N2NiO2P In tetrahydrofuran at 70℃; for 3h; Schlenk technique; Inert atmosphere; | 94% |
| Conditions | Yield |
|---|---|
| With potassium carbonate In acetone | 93% |
| for 6h; | 80% |
| With potassium hydroxide | |
| With potassium carbonate In acetone |
| Conditions | Yield |
|---|---|
| With chlorobis(cyclooctene)-iridium(I) dimer; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; lithium chloride In water; 1,3,5-trimethyl-benzene at 170℃; for 20h; Schlenk technique; Inert atmosphere; | 93% |
| With oxygen; palladium diacetate; sodium carbonate In cyclohexane at 130℃; for 48h; Molecular sieve; Schlenk technique; | 86% |
- 634-36-6
1,2,3-trimethoxybenzene
| Conditions | Yield |
|---|---|
| In water; isopropyl alcohol for 14h; Irradiation; | 89% |
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Chemistry
Molecular Structure:
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Molecular Formula: C9H12O3
Molecular Weight: 168.1898
IUPAC Name: 1,2,3-Trimethoxybenzene
Synonyms of 1,2,3-Trimethoxybenzene (CAS NO.634-36-6): AI3-02077 ; EINECS 211-207-2 ; Methylsyringol (VAN) ; NSC 10124 ; Pyrogallol trimethyl ether ; Tri-O-methylpyrogallol ; Benzene, 1,2,3-trimethoxy-
CAS NO: 634-36-6
Product Categories: Aromatic Hydrocarbons (substituted) & Derivatives ; Benzene derivates
Melting Point: 43-47 °C
Index of Refraction: 1.485
Molar Refractivity: 46.28 cm3
Molar Volume: 161.4 cm3
Surface Tension: 29.8 dyne/cm
Density: 1.041 g/cm3
Flash Point: 70.4 °C
Enthalpy of Vaporization: 45.26 kJ/mol
Boiling Point: 235 °C at 760 mmHg
Vapour Pressure: 0.0784 mmHg at 25°C
Uses
1,2,3-Trimethoxybenzene (CAS NO.634-36-6) is a pharmaceutical intermediate mainly used for synthesis of Trimetazidine.
Safety Profile
Safety Information of 1,2,3-Trimethoxybenzene (CAS NO.634-36-6):
Risk Statements:36/37/38
36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements:22-24/25
22:Do not breathe dust
24/25:Avoid contact with skin and eyes
WGK Germany:3
HS Code:29093090