Tetramethyl-p-benzoquinone supplier

Name
DUROQUINONE
EINECS 208-409-8
CAS No. 527-17-3
Article Data115
CAS DataBase
Density 1.039 g/cm³
Solubility
Melting Point 110-112 ºC(lit.)
Formula C10H12 O2
Boiling Point 230.1 ºC at 760 mmHg
Molecular Weight 164.204
Flash Point 83.6 ºC
Transport Information
Appearance YELLOW POWDER
Safety Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols Xi
Synonyms p-Benzoquinone,2,3,5,6-tetramethyl- (8CI); p-Benzoquinone, tetramethyl- (6CI); p-Benzoquinone,tetramethyl-, semiquinone (7CI); 2,3,5,6-Tetramethyl-1,4-benzoquinone;2,3,5,6-Tetramethyl-2,5-cyclohexadiene-1,4-dione;2,3,5,6-Tetramethyl-p-benzoquinone; 2,3,5,6-Tetramethylbenzoquinone;Duroquinone; NSC 2068; TMQ; Tetramethyl-1,4-benzoquinone; Tetramethyl-p-benzoquinone;Tetramethyl-p-quinone; Tetramethylbenzoquinone; Tetramethylquinone
PSA 34.14000
LogP 1.81100

Synthetic route

: 527-17-3, 70128-24-4
Duroquinone

: 34505-31-2
1,3-Dimethyl-2-nitro-benzene

A: 81-20-9
2,6-dimethylnitrobenzene

B: 527-17-3
2,3,5,6-Tetramethyl-1,4-benzoquinone anion radical

Conditions

Conditions	Yield
In water; isopropyl alcohol Rate constant; Thermodynamic data; Irradiation; electron transfer reaction ΔE exc.;

...Expand

: 527-17-3, 70128-24-4
Duroquinone

: C36H46N4(2-)*Mg(2+)

A: 527-17-3
2,3,5,6-Tetramethyl-1,4-benzoquinone anion radical

B: C36H46N4(1-)*Mg(2+)

Conditions

Conditions	Yield
In ethanol; dichloromethane at -68.1℃; Rate constant; Irradiation; dependence of photoelectron transfer upon excitation wavelength; delay time;

...Expand

: 527-17-3, 70128-24-4
Duroquinone

: C96H134N10O2(2-)*Mg(2+)

A: 527-17-3
2,3,5,6-Tetramethyl-1,4-benzoquinone anion radical

B: C96H134N10O2(1-)*Mg(2+)

Conditions

Conditions	Yield
In ethanol; dichloromethane at -68.1℃; Rate constant; Irradiation; dependence of photoelectron transfer upon excitation wavelength; delay time;

...Expand

: 527-17-3, 70128-24-4
Duroquinone

: 2683-82-1
2,3,7,8,12,13,17,18-octaethyl-porphyrin

A: 527-17-3
2,3,5,6-Tetramethyl-1,4-benzoquinone anion radical

B: 2,3,7,8,12,13,17,18-octaethylporphyrin radical cation

Conditions

Conditions	Yield
In ethanol; dichloromethane at -68.1℃; Rate constant; Irradiation; dependence of photoelectron transfer upon excitation wavelength; delay time;

...Expand

: 2,3,5,6-Tetramethyl-[1,4]benzoquinone; compound with ethanol

A: 64-17-5
ethanol

B: 527-17-3
2,3,5,6-Tetramethyl-1,4-benzoquinone anion radical

Conditions

Conditions	Yield
In benzonitrile Equilibrium constant;

: 527-17-3, 70128-24-4
Duroquinone

: 527-17-3
2,3,5,6-Tetramethyl-1,4-benzoquinone anion radical

Conditions

Conditions	Yield
With triethylamine In acetonitrile at 24℃; Kinetics; Further Variations:; Solvents; Irradiation;

: 64-17-5
ethanol

: 527-17-3
2,3,5,6-Tetramethyl-1,4-benzoquinone anion radical

: 2,3,5,6-Tetramethyl-[1,4]benzoquinone; compound with ethanol

Conditions

Conditions	Yield
In benzonitrile Equilibrium constant;

Tetramethyl-p-benzoquinone Chemical Properties

Molecule structure of Tetramethyl-p-benzoquinone (CAS NO.527-17-3) :

IUPAC Name: 2,3,5,6-tetramethylcyclohexa-2,5-diene-1,4-dione
Molecular Weight: 164.20108 g/mol
Molecular Formula: C₁₀H₁₂O₂
Density: 1.039 g/cm³
Boiling Point: 230.1 °C at 760 mmHg
Flash Point: 83.6 °C
Index of Refraction: 1.493
Molar Refractivity: 45.95 cm³
Molar Volume: 157.9 cm³
Polarizability: 18.21×10^-24 cm³
Surface Tension: 30.6 dyne/cm
Enthalpy of Vaporization: 46.67 kJ/mol
Vapour Pressure: 0.0672 mmHg at 25 °C
XLogP3: 2.2
H-Bond Acceptor: 2
Tautomer Count: 8
Exact Mass: 164.08373
MonoIsotopic Mass: 164.08373
Topological Polar Surface Area: 34.1
Heavy Atom Count: 12
Complexity: 268
Canonical SMILES: CC1=C(C(=O)C(=C(C1=O)C)C)C
InChI: InChI=1S/C10H12O2/c1-5-6(2)10(12)8(4)7(3)9(5)11/h1-4H3
InChIKey: WAMKWBHYPYBEJY-UHFFFAOYSA-N
EINECS: 208-409-8
Product Categories: Anthraquinones, Hydroquinones and Quinones; Benzoquinones

Tetramethyl-p-benzoquinone Uses

Tetramethyl-p-benzoquinone (CAS NO.527-17-3) is used in the formation of a "nanobrain" (16 duroquinone molecules surrounding a 17th in the middle).

Tetramethyl-p-benzoquinone Toxicity Data With Reference

1.		mic-esc 60 µLg/plate		MUREAV Mutation Research. 467 (2000),41.
2.		dnd-rat-lvr 400 µmol/L		CALEDQ Cancer Letters (Shannon, Ireland). 63 (1992),47.

Tetramethyl-p-benzoquinone Safety Profile

Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS: GU5410000

Tetramethyl-p-benzoquinone Specification

Tetramethyl-p-benzoquinone (CAS NO.527-17-3) is also called Duroquinone ; 2,3,5,6-Tetramethyl-1,4-benzoquinone ; 2,3,5,6-Tetramethyl-p-benzoquinone ; 2,3,5,6-Tetramethylbenzoquinone ; AI3-61045 ; CCRIS 2989 ; NSC 2068 ; Tetramethyl-1,4-benzoquinone ; Tetramethyl-p-quinone ; Tetramethylquinone ; p-Benzoquinone, 2,3,5,6-tetramethyl- ; p-Benzoquinone, tetramethyl- ; p-Benzoquinone, tetramethyl-, semiquinone ; 2,5-Cyclohexadiene-1,4-dione, 2,3,5,6-tetramethyl- . Tetramethyl-p-benzoquinone (CAS NO.527-17-3) is yellow powder.

Product Name

DUROQUINONE

Synthetic route

Tetramethyl-p-benzoquinone Chemical Properties

Tetramethyl-p-benzoquinone Uses

Tetramethyl-p-benzoquinone Toxicity Data With Reference

Tetramethyl-p-benzoquinone Safety Profile

Tetramethyl-p-benzoquinone Specification

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