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ChemicalBook--->CAS DataBase List--->106-34-3

106-34-3

106-34-3 Structure

106-34-3 Structure
IdentificationMore
[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 PropertiesBack 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
[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 DataBack Directory
[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
[Toxicity]

LD50 orally in rats: 225 mg/kg (Woodward)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

FERROUS SULFATE-->Ammonium iron(III) sulfate
Hazard InformationBack Directory
[Hazard]

Toxic by ingestion.
[Chemical Properties]

a dark green crystalline powder which is a complex formed by benzoquinone and hydroquinone.
Quinhydrone
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.]
Spectrum DetailBack Directory
[Spectrum Detail]

Quinhydrone(106-34-3)MS
Quinhydrone(106-34-3)1HNMR
Quinhydrone(106-34-3)IR1
Quinhydrone(106-34-3)IR2
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Quinhydrone, 97%(106-34-3)
[TCI AMERICA]

Quinhydrone(106-34-3)
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