Quinhydrone CAS#106-34-3

Quinhydrone CAS#106-34-3

Quinhydrone CAS#106-34-3

Reliable Redox Indicator: Quinhydrone functions as an effective redox indicator, making it suitable for pH electrodes, electrochemical experiments, and organic synthesis.


High Purity Crystalline Form: Appears as a dark green crystalline solid, providing consistent quality and precise measurement performance in laboratory applications.


Versatile Applications: Can be applied across various scientific and industrial fields, including electrochemistry and organic synthesis, due to its stable 1:1 hydroquinone–benzoquinone complex.


Safe Handling Recommendations: Although light-sensitive, it can be safely stored under cool and dark conditions, ensuring longevity and reliability during use.

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Rigorous quality control and full regulatory compliance assured.

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Product Description

Product Description-Quinhydrone CAS#106-34-3


Quinhydrone (C₁₂H₁₀O₄), a 1:1 complex of hydroquinone and benzoquinone, is a dark green crystalline solid. It mainly serves as a redox indicator for pH electrodes, electrochemistry and organic synthesis. Light-sensitive, it requires cool, dark storage; protective gear is needed for handling.

Product Applications-Quinhydrone CAS#106-34-3


Used for preparing hydroquinone electrodes; used as a urease inhibitor.

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Product Data

Chemical Properties-Quinhydrone CAS#106-34-3



Melting point

167-172 °C (lit.)

Boiling point

285 °C

Density

1.32

Bulk density

300kg/m3

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℃)

Water Solubility

4 g/L (20 ºC)

Sensitive

Light Sensitive

Merck

14,8058

BRN

3919222

Stability

Stable. Incompatible with strong oxidizing agents.

LogP

0.644 (est)

CAS DataBase Reference

106-34-3(CAS DataBase Reference)

NIST Chemistry Reference

Quinhydrone(106-34-3)

EPA Substance Registry System

Quinhydrone (106-34-3)

Hazard Codes

Xn,N

Risk Statements

22-36/37/38-50

Safety Statements

26-36-61-37/39-29

RIDADR

UN 2811 6.1/PG 3

WGK Germany

3

RTECS

VA4550000

TSCA

Yes

HS Code

2942 00 00

HazardClass

6.1

PackingGroup

III

Toxicity

LD50 orally in rats: 225 mg/kg (Woodward)



Safety Information-Quinhydrone CAS#106-34-3



Hazard Codes

Xn,N

Risk Statements

22-36/37/38-50

Safety Statements

26-36-61-37/39-29

RIDADR

UN 2811 6.1/PG 3

WGK Germany

3

RTECS

VA4550000

TSCA

TSCA listed

HS Code

2942 00 00

HazardClass

6.1

PackingGroup

III

Storage Class

6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects

Hazard Classifications

Acute Tox. 3 OralAquatic Acute 1

Toxicity

LD50 orally in rats: 225 mg/kg (Woodward)


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