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| CAS No.: | 608-43-5 |
|---|---|
| Name: | 2,3-Dimethylhydroquinone |
| Molecular Structure: | |
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| Formula: | C8H10 O2 |
| Molecular Weight: | 138.166 |
| Synonyms: | Hydroquinone,2,3-dimethyl- (7CI,8CI); 1,4-Dihydroxy-2,3-dimethylbenzene;2,3-Dimethyl-1,4-benzenediol; 2,3-Dimethyl-p-hydroquinone;2,3-Dimethylhydroquinone; 2,3-Xylohydroquinone; 4-Hydroxy-2,3-Dimethylphenol;NSC 108080; o-Xylene-3,6-diol; o-Xylohydroquinone |
| EINECS: | 215-317-1 |
| Density: | 1.162g/cm3 |
| Melting Point: | 223-225 °C(lit.) |
| Boiling Point: | 291.5 °C at 760 mmHg |
| Flash Point: | 145.4 °C |
| Solubility: | slightly soluble |
| Appearance: | grey to purple powder |
| Hazard Symbols: |
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| Risk Codes: | R36/37/38 |
| Safety: | 26-36 |
| PSA: | 40.46000 |
| LogP: | 1.71460 |
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Chemistry
IUPAC Name: 2,3-dimethylbenzene-1,4-diol
Empirical Formula: C8H10O2
Molecular Weight: 138.1638g/mol
Structure of 1,4-Benzenediol,2,3-dimethyl- (CAS NO.608-43-5):
Index of Refraction: 1.582
Molar Refractivity: 39.66 cm3
Molar Volume: 118.8 cm3
Polarizability: 15.72×10-24cm3
Surface Tension: 47.8 dyne/cm
Density: 1.162 g/cm3
Flash Point: 145.4 °C
Enthalpy of Vaporization: 55.22 kJ/mol
Melting Point: 223-225 °C(lit.)
Boiling Point: 291.5 °C at 760 mmHg
Vapour Pressure: 0.00111 mmHg at 25°C
Physical Appearance: grey to purple powder
Water Solubility: Slightly soluble in water
Stability: Stable. Incompatible with strong oxidizing agents.
Product Categories: Anthraquinones, Hydroquinones and Quinones;Polymer Additives;Polymer Science;Stabilizers
Canonical SMILES: CC1=C(C=CC(=C1C)O)O
InChI: InChI=1S/C8H10O2/c1-5-6(2)8(10)4-3-7(5)9/h3-4,9-10H,1-2H3
InChIKey: BXJGUBZTZWCMEX-UHFFFAOYSA-N
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
F: 8-9-23
Specification
1,4-Benzenediol,2,3-dimethyl- , its cas register number is 608-43-5. It also can be called 2,3-Dimethylhydroquinone
2,3-Xylohydroquinone ; NSC 108080 ; o-Xylene-3,6-diol ; o-Xylohydroquinone . 1,4-Benzenediol,2,3-dimethyl- (CAS NO.608-43-5) is irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.