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Corrosion inhibitors

8-Nitroquinoline

Also known as Quinoline, 8-nitro-, 8-Nitro-quinoline, 4msn

CAS 607-35-2Formula C9H6N2O2Molar mass 174.16 g/molEC 210-135-9
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard 7 suppliers listed
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8-Nitroquinoline chemical structure, C9H6N2O2, CAS 607-35-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Monoclinic prisms from alcohol
Melting point
91.5 °C
Solubility
Slightly soluble in water. Soluble in ethanol, ethyl ether, benzene, chloroform, and dil…
HS code
293349
Category
Corrosion inhibitors
Illustrative photo, 25 kg white woven sacks of powder on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 8-Nitroquinoline?

Plain description, key identifiers and synonyms

8-Nitroquinoline is a chemical substance with the molecular formula C9H6N2O2 and a molar mass of 174.16 g/mol. Its CAS registry number is 607-35-2.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
8-nitroquinoline
CAS number
607-35-2 CAS number cross-checked
EC number
210-135-9
Molecular formula
C9H6N2O2
UNII
YWO6S88V4V
MDL number
MFCD00006806
InChIKey
OQHHSGRZCKGLCY-UHFFFAOYSA-N
InChI
InChI=1S/C9H6N2O2/c12-11(13)8-5-1-3-7-4-2-6-10-9(7)8/h1-6H
SMILES (canonical and isomeric)
C1=CC2=C(C(=C1)[N+](=O)[O-])N=CC=C2

Synonyms

  • Quinoline, 8-nitro-
  • 8-Nitro-quinoline
  • 4msn
  • 8-Nitro quinoline
  • 8-Nitroquinoline, 98%

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

Appearance
Monoclinic prisms from alcoholexp.
Melting point
91.5 °Cexp.
Solubility
Slightly soluble in water. Soluble in ethanol, ethyl ether, benzene, chloroform, and dilute acid.exp.

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
174.16 g/molcalc.
Exact mass
174.0429 Dacalc.
LogP (octanol/water)
2.14calc.
Topological polar surface area
56.03 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
  • H351Suspected of causing cancer.
Precautionary statements (22)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • 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 + P317If swallowed: Get medical help.
  • 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.
  • P317Get medical help.
  • 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.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

8-Nitroquinoline suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 7 suppliers
7 of 7 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

7 suppliers in 3 countries

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8-Nitroquinoline price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Laboratory reagent.

Experimental corrosion inhibitor (e.g., in antifreezes).

How it is made

At 0 °C, mixed acid attacks the protonated quinoline to yield a 1:1 mixture of 5-nitroquinoline... and 8-nitroquinoline...

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 8-Nitroquinoline 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 8-Nitroquinoline is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 8-Nitroquinoline, based on the data on this page

What is 8-Nitroquinoline?

8-Nitroquinoline is a chemical substance with the molecular formula C9H6N2O2 and a molar mass of 174.16 g/mol. Its CAS registry number is 607-35-2.

What is the CAS number of 8-Nitroquinoline?

The CAS registry number of 8-Nitroquinoline is 607-35-2.

What is the molecular formula and weight of 8-Nitroquinoline?

The molecular formula of 8-Nitroquinoline is C9H6N2O2 and its molar mass is 174.16 g/mol.

What is 8-Nitroquinoline used for?

Laboratory reagent. Experimental corrosion inhibitor (e.g., in antifreezes).

Is 8-Nitroquinoline hazardous?

8-Nitroquinoline carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 8-Nitroquinoline?

8-Nitroquinoline 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 8-Nitroquinoline?

CompoundList lists 7 suppliers of 8-Nitroquinoline in China, Netherlands and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 8-Nitroquinoline?

Suppliers quote 8-Nitroquinoline 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 8-Nitroquinoline

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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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