Quinolinium Dichromate
- Product Name
- Quinolinium Dichromate
- CAS No.
- 56549-24-7
- Chemical Name
- Quinolinium Dichromate
- Synonyms
- quinolin-1-ium;Quinoline dichromate;QUINOLINIUM DICHROMATE;Quinolinium Dichromate >QUINOLINIUM DICHROMATE 95+%;QUINOLINIUM DICHROMATE 97%;QUINOLINIUM DICHROMATE ISO 9001：2015 REACH
- CBNumber
- CB8203111
- Molecular Formula
- C18H16Cr2N2O7
- Formula Weight
- 476.32
- MOL File
- 56549-24-7.mol
Quinolinium Dichromate Property
- Melting point:
- 164-167 °C (dec.)(lit.)
- storage temp.
- Refrigerator
- Water Solubility
- Soluble in water
- form
- Powder
- color
- Dark yellow to orange
Safety
- Hazard Codes
- O,T
- Risk Statements
- 45-8-23/24/25-36/37/38
- Safety Statements
- 53-17-26-27-36/37/39-45
- RIDADR
- 1479
- HS Code
- 2933.49.7000
- HazardClass
- 5.1
- PackingGroup
- III
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H272May intensify fire; oxidizer
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H350May cause cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P201Obtain special instructions before use.
P202Do not handle until all safety precautions have been read and understood.
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P220Keep/Store away from clothing/…/combustible materials.
P221Take any precaution to avoid mixing with combustibles/…
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P308+P313IF exposed or concerned: Get medical advice/attention.
P391Collect spillage. Hazardous to the aquatic environment
P405Store locked up.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- Q0058
- Product name
- Quinolinium Dichromate
- Purity
- >97.0%(T)
- Packaging
- 10g
- Price
- $75
- Updated
- 2025/07/31
- Product number
- Q0058
- Product name
- Quinolinium Dichromate
- Purity
- >97.0%(T)
- Packaging
- 25g
- Price
- $186
- Updated
- 2025/07/31
- Product number
- H954023
- Product name
- Quinolinium Dichromate
- Packaging
- 100mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- H954023
- Product name
- Quinolinium Dichromate
- Packaging
- 1g
- Price
- $75
- Updated
- 2021/12/16
- Product number
- 8924AL
- Product name
- Quinolinium Dichromate
- Packaging
- 1g
- Price
- $21
- Updated
- 2021/12/16
Quinolinium Dichromate Chemical Properties,Usage,Production
Chemical Properties
Light yellow to Brown powder to crystal.
Uses
Quinolinium dichromate (QDC) is found to be a mild reagent for the oxidation of organic compounds. It is particularly effective for oxidizing primary and secondary alcohols to their corresponding aldehydes and ketones, respectively. Like other chromium(VI) reagents, QDC is suitable for laboratory research and development as well as for chemical and pharmaceutical synthesis processes.
Preparation
Quinolinium dichromate was prepared according to the procedure describe by Balasubramanian et al. [5]
Synthesis of Quinolinium Dichromate: Quinidine (28 mL, 0.2 mol) was added slowly to a cooled solution of chromium trioxide (CrO₃, 20 g, 0.2 mol) in water (20 mL). After stirring for 0.5 hours, the reaction mixture was diluted with acetone (40 mL) and cooled to -15 °C. The yellow crystals that formed were collected by filtration, washed with acetone, and then recrystallized from water. The product was dried under vacuum for approximately 2 hours. Yield: 88%. Melting point: 150–151 °C.
Structure and conformation
Quinolinium Dichromate, (C9H8N)2[Cr2O7], crystallizes in the monoclinic space group P21/c, with eight cations and four anions in the unit cell. The quinolinium cations and a dichromate anion are connected through N—H...O and C—H...O intermolecular hydrogen bonds and by aromatic π–π-stacking interactions. The dichromate geometry is normal, with a Cr—O(bridging)—Cr angle of 135.1 (2)°.
References
[1] Sundar, T. V., et al. "Quinolinium dichromate,[C9H7NH+] 2· Cr2O72−." Structure Reports 59.6 (2003): m327-m329.
[2] K. SATISH BABU . Kinetics and mechanism of quinolinium chlorochromate mediated oxidation of sugar alcohols in Bronsted acid media[J]. Chemical Data Collections, 2020, 25: Article 100332. DOI:10.1016/j.cdc.2019.100332.
[3] NEBAHAT DEGIRMENBASI Beytiye O. Quinaldinium Fluorochromate and Quinaldinium Dichromate: Two New and Efficient Reagents for the Oxidation of Alcohols.[J]. ChemInform, 2004, 35 35. DOI:10.1002/chin.200435039.
[4] BERNADETTE KUOTSU. Quinolinium Dichromate Oxidation of Diols: A Kinetic Study[J]. The Journal of Organic Chemistry, 1996, 61 25: 8875-8877. DOI:10.1021/jo961079m.
[5] Rajalakshmi, K., T. Ramachandramoorthy, and S. Srinivasan. "Oxidation of cyclic ketones by benzyl triethylammonium chlorochromate by 1, 10-phenanthroline as catalyst—kinetic and mechanistic study." J. Chem. Pharm. Res 4 (2012): 894-900.
Quinolinium Dichromate Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Quinolinium Dichromate manufacturers
- Product
- QUINOLINIUM DICHROMATE 56549-24-7
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- KG/T
- Release date
- 2019-12-20