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Cas Database |
| Name |
m-Tolualdehyde |
EINECS | 210-632-0 |
| CAS No. | 620-23-5 | Density | 1.023 g/cm3 |
| PSA | 17.07000 | LogP | 1.80750 |
| Solubility | slightly soluble in water | Melting Point |
<25 °C |
| Formula | C8H8O | Boiling Point | 199 °C at 760 mmHg |
| Molecular Weight | 120.151 | Flash Point | 78.3 °C |
| Transport Information | N/A | Appearance | clear yellow to brown liquid |
| Safety | 23-24/25-37/39-26 | Risk Codes | 36/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
m-Tolualdehyde(8CI);3-Methylbenzaldehyde;3-Methylphenylcarboxaldehyde;3-Tolualdehyde;NSC1244;NSC 89859;m-Formyltoluene;m-Methylbenzaldehyde; |
Article Data | 415 |
m-Tolualdehyde Synthetic route
| Conditions | Yield |
|---|---|
| With triethylsilane; palladium diacetate; sodium hydrogencarbonate; sodium carbonate at 20℃; under 760.051 Torr; for 48h; | 90% |
| With rhodium(III) chloride trihydrate; hydrogen; triethylamine; triphenylphosphine In N,N-dimethyl acetamide at 90℃; under 7500.75 Torr; for 12h; Autoclave; | 90% |
| With sodium formate In N,N-dimethyl-formamide at 110℃; under 760.051 Torr; for 5h; | 86% |
| With sodium formate In N,N-dimethyl-formamide at 100℃; under 760.051 Torr; for 10h; | 84% |
| With 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride In benzene at 110℃; under 66195.7 Torr; for 2h; | 68 % Chromat. |
- 52707-50-3, 52707-55-8, 41977-54-2
3-methylbenzaldehyde oxime
- 620-23-5
m-tolyl aldehyde
| Conditions | Yield |
|---|---|
| With N,N'-dichlorophenobarbital In acetonitrile at 20℃; | 95% |
| With molybdenum(V) chloride; zinc In acetonitrile at 20℃; for 0.0833333h; | 94% |
| With potassium permanganate; 1-n-butyl-3-methylimidazolim bromide at 20℃; for 1h; Ionic liquid; chemoselective reaction; | 91% |
- 120158-57-8
1,1-diacetoxy-1-(3-methylphenyl)-methane
- 620-23-5
m-tolyl aldehyde
| Conditions | Yield |
|---|---|
| With sulphated zirconia In acetonitrile at 60℃; for 0.3h; Microwave irradiation; | 100% |
| With sulfonated rice husk ash In acetonitrile at 60℃; for 0.0333333h; | 91% |
| With saccharin sulfonic acid at 90℃; for 0.05h; Neat (no solvent); | 90% |
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In water; acetonitrile at 25℃; for 10h; UV-irradiation; | 92% |
| With potassium 12-tungstocobaltate(III) In water; acetonitrile for 0.166667h; Microwave irradiation; | 90% |
| With dipotassium peroxodisulfate In water at 90℃; for 12h; Green chemistry; | 80% |
| With oxygen; copper diacetate In dimethyl sulfoxide at 120℃; for 18h; Sealed tube; | 71% |
| With iron(III) chloride; oxygen In N,N-dimethyl-formamide at 110℃; | 67% |
| Conditions | Yield |
|---|---|
| With dichloro [1,1'-bis(diphenylphosphino)propane]palladium(II); 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 80℃; under 7500.75 Torr; for 20h; Autoclave; Green chemistry; | 86% |
| With carbon supported Pd nanoparticles; 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 80℃; under 7500.75 Torr; for 12h; Sealed tube; Green chemistry; | 82% |
| With rhodium(III) iodide; hydrogen; acetic anhydride; triethylamine; triphenylphosphine In N,N-dimethyl acetamide at 100℃; for 24h; Autoclave; | 80% |
| Conditions | Yield |
|---|---|
| With iodine; triethylamine; triphenylphosphine In toluene at 80℃; Inert atmosphere; Sealed tube; | 81% |
| With iodine; triethylamine; triphenylphosphine In toluene at 80℃; for 2h; Sealed tube; | 77% |
| With palladium diacetate; triethylamine; dicyclohexyl-carbodiimide; tricyclohexylphosphine In N,N-dimethyl-formamide at 80℃; for 10h; Inert atmosphere; Sealed tube; | 67% |
| Conditions | Yield |
|---|---|
| With water; sodium hydroxide at 20℃; for 0.05h; Microwave irradiation; | 98% |
| With 4-methylmorpholine N-oxide; 1-ethyl-3-methyl-1H-imidazol-3-ium chloride; potassium iodide at 100℃; for 0.0333333h; Microwave irradiation; Ionic liquid; | 90% |
| With 4-methylmorpholine N-oxide In tetrahydrofuran at 20℃; for 12h; Reflux; | 80% |
| Conditions | Yield |
|---|---|
| With iodosylbenzene; Cl-CH2-PS supported 5-amino-1,10-phenanthroline-Ru In acetonitrile at 60℃; for 2h; | 100% |
| Stage #1: 3-methylbenzyl alcohol With iron(III) chloride hexahydrate; oxygen; silica gel In toluene for 0.0833333h; Autoclave; Stage #2: With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In toluene at 80℃; under 3750.38 Torr; for 8h; Autoclave; | 99% |
| With dihydrogen peroxide In water at 100℃; for 6.5h; chemoselective reaction; | 99% |
| Conditions | Yield |
|---|---|
| With dipotassium hydrogenphosphate; fac-tris(2-phenylpyridinato-N,C2')iridium(III); tris-(trimethylsilyl)silane; dimethyl dicarbonate In acetonitrile at 20℃; for 6h; Schlenk technique; Inert atmosphere; Sealed tube; Irradiation; | 90% |
| With potassium phosphate; sodium hypophosphite; 2,2-dimethylpropanoic anhydride; palladium diacetate; tricyclohexylphosphine In tetrahydrofuran at 60℃; for 16h; | 73% |
| ueber <3-Methyl-α-phenylimino-benzyl>-phenyl-carbamidsaeure-aethylester; |
| Conditions | Yield |
|---|---|
| With bis-triphenylphosphine-palladium(II) chloride; 2,2'-azobis(isobutyronitrile); oxygen; triethylamine In N,N-dimethyl-formamide at 110℃; under 760.051 Torr; for 4h; Schlenk technique; Sealed tube; | 63% |
m-Tolualdehyde Chemical Properties
Empirical Formula: C8H8O
Molecular Weight: 120.1485 g/mol
Index of Refraction: 1.557
Density: 1.023 g/cm3
Flash Point: 78.3 °C
Enthalpy of Vaporization: 43.52 kJ/mol
Boiling Point: 199 °C at 760 mmHg
Vapour Pressure: 0.349 mmHg at 25 °C
Water solubility: Slightly soluble
Sensitive: Air Sensitive
Appearance: Clear yellow to brownish liquid
Structure of p-Tolualdehyde (CAS NO.620-23-5):
Product Category of p-Tolualdehyde (CAS NO.620-23-5): Benzene derivatives;Aromatic Aldehydes & Derivatives (substituted)
m-Tolualdehyde Toxicity Data With Reference
p-Tolualdehyde (CAS NO.620-23-5) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated.
m-Tolualdehyde Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/38
R36/38:Irritating to eyes and skin.
Safety Statements: 23-24/25-37/39-26
S23:Do not breathe vapour.
S24/25:Avoid contact with skin and eyes.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
m-Tolualdehyde Specification
m-Tolualdehyde , its cas register number is 620-23-5. It also can be called m-Tolualdehyde ; Benzaldehyde, 3-methyl- ; and 3-Methylbenzaldehyde . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately. Notes to physician: Treat supportively and symptomatically.
In addition, p-Tolualdehyde (CAS NO.620-23-5) is air sensitive. It is not compatible with strong oxidizing agents, strong reducing agents, strong bases, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, carbon dioxide.
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