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Heterocyclic compounds

Quinolinium dichromate

Also known as oxido-(oxido(dioxo)chromio)oxy-dioxochromium, quinolin-1-ium, Diquinolin-1-ium mu-oxidohexakis(oxido)dichromate(2-)

CAS 56549-24-7Formula C18H16Cr2N2O7Molar mass 476.33 g/molEC 621-797-7
GHS signal word: Danger. Pictograms: Oxidiser, Acute toxicity (severe), Harmful or irritant, Serious health hazard
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Quinolinium dichromate chemical structure, C18H16Cr2N2O7, CAS 56549-24-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
56549-24-7
Formula
C18H16Cr2N2O7
Molar mass
476.33 g/mol
EC number
621-797-7
HS code
293349
Category
Heterocyclic compounds

What is Quinolinium dichromate?

Plain description, key identifiers and synonyms

Quinolinium dichromate is a chemical substance with the molecular formula C18H16Cr2N2O7 and a molar mass of 476.33 g/mol. Its CAS registry number is 56549-24-7. The IUPAC name is oxido-(oxido(dioxo)chromio)oxy-dioxochromium, bis(quinolin-1-ium).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
oxido-(oxido(dioxo)chromio)oxy-dioxochromium, bis(quinolin-1-ium)
CAS number
56549-24-7 CAS number cross-checked
EC number
621-797-7
Molecular formula
C18H16Cr2N2O7
MDL number
MFCD00059108
InChIKey
PYEIMZCGCWSHSV-UHFFFAOYSA-P
InChI
InChI=1S/2C9H7N.2Cr.7O/c2*1-2-6-9-8(4-1)5-3-7-10-9;;;;;;;;;/h2*1-7H;;;;;;;;;/q;;;;;;;;;2*-1/p+2
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C=CC=[NH+]2.C1=CC=C2C(=C1)C=CC=[NH+]2.[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-]

Synonyms

  • oxido-(oxido(dioxo)chromio)oxy-dioxochromium, quinolin-1-ium
  • Diquinolin-1-ium mu-oxidohexakis(oxido)dichromate(2-)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
476.33 g/molcalc.
Exact mass
475.9768 Dacalc.
LogP (octanol/water)
0.38calc.
Topological polar surface area
151.9 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
2calc.
Heavy atoms
29calc.
Rings
4calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2ncccc2c1

c1ccc2ncccc2c1

2 rings, 10 atoms, the Quinoline ring system.

21,766 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS03: Oxidiser
Oxidiser
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H272May intensify fire, oxidiser.
  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H331Toxic if inhaled.
  • H335May cause respiratory irritation.
  • H350May cause cancer.
Precautionary statements (27)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P220Keep away from clothing and other combustible materials.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Quinolinium dichromate suppliers

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Quinolinium dichromate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Quinolinium dichromate is traded under.

HS 2933.49Indicative HS code

Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…

World exports in 2024
$939M
−14.6% vs 2023, imports $1.48B
2019 to 2024
Top exporters
  1. China30.1%
  2. India * partner reported16.7%
  3. Switzerland * partner reported14.1%
Top importers
  1. United Kingdom19.2%
  2. Germany16.0%
  3. Romania8.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Quinolinium dichromate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Quinolinium dichromate, based on the data on this page

What is Quinolinium dichromate?

Quinolinium dichromate is a chemical substance with the molecular formula C18H16Cr2N2O7 and a molar mass of 476.33 g/mol. Its CAS registry number is 56549-24-7. The IUPAC name is oxido-(oxido(dioxo)chromio)oxy-dioxochromium, bis(quinolin-1-ium).

What is the CAS number of Quinolinium dichromate?

The CAS registry number of Quinolinium dichromate is 56549-24-7.

What is the molecular formula and weight of Quinolinium dichromate?

The molecular formula of Quinolinium dichromate is C18H16Cr2N2O7 and its molar mass is 476.33 g/mol.

Is Quinolinium dichromate hazardous?

Quinolinium dichromate carries the GHS signal word "Danger". Main hazards: may intensify fire, oxidiser, toxic if swallowed, toxic in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Quinolinium dichromate?

Quinolinium dichromate is usually classified under HS code 293349 (Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Quinolinium dichromate?

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What is the price of Quinolinium dichromate?

Suppliers quote Quinolinium dichromate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Quinolinium dichromate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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