Quinhydrone
- Product Name
- Quinhydrone
- CAS No.
- 106-34-3
- Chemical Name
- Quinhydrone
- Synonyms
- GREEN HYDROQUINONE;HYDROQUINONE:BENZOQUINONE 1:1 COMPLEX;Hydroquinone Monoester,Hydroquinone diester;Chinhydron;uinhydrone;QUINHYDRONE;QuinhydroneGr;Quinhydrone,98%;Quinhydrone 97%;benzoquinhydrone
- CBNumber
- CB9292163
- Molecular Formula
- C12H10O4
- Formula Weight
- 218.21
- MOL File
- 106-34-3.mol
Quinhydrone Property
- Melting point:
- 167-172 °C (lit.)
- Boiling point:
- 285 °C
- 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℃)
- 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)
Safety
- 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)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H301Toxic if swalloed
H400Very toxic to aquatic life
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P273Avoid release to the environment.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P391Collect spillage. Hazardous to the aquatic environment
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- 282960
- Product name
- Quinhydrone
- Purity
- 97%
- Packaging
- 25g
- Price
- $39
- Updated
- 2024/03/01
- Product number
- 282960
- Product name
- Quinhydrone
- Purity
- 97%
- Packaging
- 100g
- Price
- $123
- Updated
- 2024/03/01
- Product number
- 1.02284
- Product name
- Quinhydrone
- Purity
- GR for analysis
- Packaging
- 100g
- Price
- $220
- Updated
- 2024/03/01
- Product number
- Q0008
- Product name
- Quinhydrone
- Packaging
- 25g
- Price
- $34
- Updated
- 2024/03/01
- Product number
- Q0008
- Product name
- Quinhydrone
- Packaging
- 100g
- Price
- $94
- Updated
- 2024/03/01
Quinhydrone Chemical Properties,Usage,Production
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.
Definition
The so-called quinhydrone electrode, containing equivalent amounts of p-benzoquinone and hydroquinone, is used to determine hydrogen ion concentrations of unknown solutions. Hydroquinone is used principally as a photographic developing agent. The main advantages of the quinhydrone electrode are low internal resistance, rapid response, high accuracy, simplicity, free of errors due to the presence of nonreducing gases, and free of salt errors. Major limitations are that it contaminates the solution, cannot be used to monitor a flowing solution, the solution must be free of strong oxidizing and reducing agents, and it is limited to a pH range of 1 to 9. In alkaline solution, the weakly acidic H2Q is neutralized and is subject to oxidation by air and dissolved oxygen. The main application of the quinhydrone electrode is in nonaqueous solvents where reproducible results are obtained in a variety of solvents. The tetra-chloro derivative (chloranil electrode) is even more useful.
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.
Hazard
Toxic by ingestion.
Purification Methods
Crystallise quinhydrone from H2O at 65o , then dry it in vacuo.[Beilstein 7 H 617, 7 IV 2069.]
Quinhydrone Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Quinhydrone manufacturers
- Product
- Quinhydrone 106-34-3
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2023-08-28
- Product
- Quinhydrone 106-34-3
- Price
- US $25.00/ASSAYS
- Min. Order
- 100化验
- Purity
- 99.5%
- Supply Ability
- 100 mt
- Release date
- 2021-06-22
- Product
- Quinhydrone 106-34-3
- Price
- US $80.00-50.00/KG
- Min. Order
- 1KG
- Purity
- 99.9%
- Supply Ability
- 20tons
- Release date
- 2020-09-02