| Identification | More | [Name]
Quinhydrone | [CAS]
106-34-3 | [Synonyms]
2,5-CYCLOHEXADIENE-1,4-DIONE CMPD WITH 1,4-BENZENEDIOL
GREEN HYDROQUINONE
HYDROQUINONE
HYDROQUINONE:BENZOQUINONE 1:1 COMPLEX
QUINHYDRONE
2,5-Cyclohexadiene-1,4-dione, compd. with 1,4-benzenediol (1:1)
2,5-Cyclohexadiene-1,4-dione,compd.with1,4-benzenediol(1:1)
2,5-cyclohexadiene-1,4-dionecompd.with1,4-benzenediol(1:1)
beta-Quinhydrone
Chinhydron
Hydroquinone, compd. with p-benzoquinone
hydroquinone,compd.withp-benzoquinone
p-Benzoquinhydrone
p-Benzoquinone, compd. with hydroquinone
p-Benzoquinone, compd. with hydroquinone (1:1)
p-benzoquinone,compd.withhydroquinone(1:1)
p-Benzoquinone-hydroquinone compound (1:1)
Quinhydrone
2,5-Cyclohexadiene-1,4-dionecompdwith1,4-benzenediol(1:1)
Greenhydroquinone
BALSAM CANADA, FILTERED FOR MICROSCOPY
QUINHYDRONE 98+% FOR ANALYTICAL PURPOSE | [EINECS(EC#)]
203-387-6 | [Molecular Formula]
C12H10O4 | [MDL Number]
MFCD00010310 | [Molecular Weight]
218.21 | [MOL File]
106-34-3.mol |
| Chemical Properties | Back Directory | [Appearance]
green crystalline powder | [Melting point ]
167-172 °C (lit.) | [Boiling point ]
285 °C | [bulk density]
300kg/m3 | [density ]
1.32 | [refractive index ]
1.4270 (estimate) | [storage temp. ]
Store below +30°C. | [solubility ]
4g/l | [form ]
Crystalline Powder | [color ]
Dark green | [Specific Gravity]
0.863 (20/4℃) | [Stability:]
Stable. Incompatible with strong oxidizing agents. | [Water Solubility ]
4 g/L (20 ºC) | [Sensitive ]
Light Sensitive | [Merck ]
14,8058 | [BRN ]
3919222 | [InChI]
1S/C6H6O2.C6H4O2/c2*7-5-1-2-6(8)4-3-5/h1-4,7-8H;1-4H | [InChIKey]
BDJXVNRFAQSMAA-UHFFFAOYSA-N | [SMILES]
Oc1ccc(O)cc1.O=C2C=CC(=O)C=C2 | [LogP]
0.644 (est) | [CAS DataBase Reference]
106-34-3(CAS DataBase Reference) | [NIST Chemistry Reference]
Quinhydrone(106-34-3) | [EPA Substance Registry System]
106-34-3(EPA Substance) |
| Safety Data | Back Directory | [Symbol(GHS) ]
 
GHS06,GHS09 | [Signal word ]
Danger | [Hazard statements ]
H301-H400 | [Precautionary statements ]
P264-P270-P273-P301+P310-P391-P405 | [Hazard Codes ]
Xn,N | [Risk Statements ]
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R50:Very Toxic to aquatic organisms. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S37/39:Wear suitable gloves and eye/face protection .
S29:Do not empty into drains . | [RIDADR ]
UN 2811 6.1/PG 3
| [WGK Germany ]
3
| [RTECS ]
VA4550000
| [TSCA ]
Yes | [HazardClass ]
6.1 | [PackingGroup ]
III | [HS Code ]
29146990 | [Storage Class]
6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects | [Hazard Classifications]
Acute Tox. 3 Oral
Aquatic Acute 1 | [Toxicity]
LD50 orally in rats: 225 mg/kg (Woodward) |
| Hazard Information | Back Directory | [Hazard]
Toxic by ingestion. | [Chemical Properties]
a dark green crystalline powder which is a complex formed by benzoquinone and hydroquinone.
Quinhydrone is a general reagent used in potentiometric titrations. It can also be used as a π-acceptor in the formation of charge-transfer complex of analytes for spectrophotometric analysis.
| [Uses]
In pH determinations (quinhydrone electrode). | [Uses]
Quinhydrone is a hydrogen bonded 1:1 charge transfer complex of hydroquinone and p-benzo-quinone having semiconducting properties.
Quinhydrone is addition compound of one mol hydroquinone and one mol Benzoquinone.
Quinhydrone electrode is a type of redox electrode which can be used to measure the hydrogen ion concentration (pH) of a solution in a chemical experiment.
Quinhydrone/methanol treatment for the measurement of carrier lifetime in crystalline silicon substrates has been reported. Surface passivation of silicon substrates by quinhydrone/ethanol treatment has been investigated. | [Uses]
Used to measure the hydrogen ion concentration (pH) of a solution in a chemical experiment. It provides an alternative to the commonly used glass electrode in a pH meter. | [Definition]
ChEBI: Quinhydrone is an addition compound. It contains a 1,4-benzoquinone and a hydroquinone. | [General Description]
Quinhydrone/methanol treatment for the measurement of carrier lifetime in crystalline silicon substrates has been reported. Surface passivation of silicon substrates by quinhydrone/ethanol treatment has been investigated. | [Purification Methods]
Crystallise quinhydrone from H2O at 65o , then dry it in vacuo.[Beilstein 7 H 617, 7 IV 2069.] |
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