CompoundList

3-Bromo-4-nitrosophenol

Also known as 2,5-Cyclohexadiene-1,4-dione, 2-bromo-, 1-oxime, 3-Bromo-4-hydroxyimino-2,5-cyclohexadiene-1-one, 2,5-Cyclohexadien-1-one, 3-bromo-4-hydroxyimino-

3-Bromo-4-nitrosophenol chemical structure, C6H4BrNO2, CAS 634603-83-1
2D chemical structure

Key facts

What buyers check first

CAS number
634603-83-1
Formula
C6H4BrNO2
Molar mass
202.01 g/mol
EC number
882-002-9
HS code
290899
Category
Nitriles, nitro and azo compounds

What is 3-Bromo-4-nitrosophenol?

Plain description, key identifiers and synonyms

3-Bromo-4-nitrosophenol is a chemical substance with the molecular formula C6H4BrNO2 and a molar mass of 202.01 g/mol. Its CAS registry number is 634603-83-1.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-bromo-4-nitrosophenol
CAS number
634603-83-1Other or deprecated CAS: 13362-38-4
EC number
882-002-9
Molecular formula
C6H4BrNO2
UNII
4S39RYZ343
InChIKey
ORVHTCOFHGULQZ-UHFFFAOYSA-N
InChI
InChI=1S/C6H4BrNO2/c7-5-3-4(9)1-2-6(5)8-10/h1-3,9H
SMILES (canonical and isomeric)
C1=CC(=C(C=C1O)Br)N=O

Synonyms

  • 2,5-Cyclohexadiene-1,4-dione, 2-bromo-, 1-oxime
  • 3-Bromo-4-hydroxyimino-2,5-cyclohexadiene-1-one
  • 2,5-Cyclohexadien-1-one, 3-bromo-4-hydroxyimino-
  • p-Benzoquinone, bromo-, 1-oxime
  • p-Benzoquinone, 2-bromo-, 1-oxime
  • 3-Bromo-4-hydroxyimino-2,5-cyclohexadien-1-one
  • 4-07-00-02085 (Beilstein Handbook Reference)
  • Phenol, 3-bromo-4-nitroso-
  • 2, 3-bromo-4-hydroxyimino-
  • 3-Bromo-4-(hydroxyimino)cyclohexa-2,5-dien-1-one
  • 2,4-dione, 2-bromo-, 1-oxime
  • p-Benzoquinone, 3-bromo-, 4-oxime
  • 1,4-Benzoquinone, 1-oxime, 2-bromo-
  • 2-Bromo-2,5-cyclohexadiene-1,4-dione 1-oxime

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
202.01 g/molcalc.
Exact mass
200.9425 Dacalc.
LogP (octanol/water)
2.55calc.
Topological polar surface area
49.66 ร…ยฒcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H318Causes serious eye damage.
  • H351Suspected of causing cancer.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (13)
  • P203Obtain, read and follow all safety instructions before use.
  • 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.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P305 + P354 + P338If in eyes: Immediately rinse 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.
  • P330Rinse mouth.
  • 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

3-Bromo-4-nitrosophenol suppliers

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3-Bromo-4-nitrosophenol 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

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 3-Bromo-4-nitrosophenol is traded under.

HS 2908.99Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols orโ€ฆ

World exports in 2024
$77.7M
+4.6% vs 2023, imports $83.7M
2019 to 2024
Top exporters
  1. China32.2%
  2. India * partner reported22.2%
  3. Spain8.5%
Top importers
  1. United States13.9%
  2. Spain10.6%
  3. Turkey8.3%

* Partner reported figures, a lower bound.

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

The HS code shown for 3-Bromo-4-nitrosophenol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3-Bromo-4-nitrosophenol, based on the data on this page

What is 3-Bromo-4-nitrosophenol?

3-Bromo-4-nitrosophenol is a chemical substance with the molecular formula C6H4BrNO2 and a molar mass of 202.01 g/mol. Its CAS registry number is 634603-83-1.

What is the CAS number of 3-Bromo-4-nitrosophenol?

The CAS registry number of 3-Bromo-4-nitrosophenol is 634603-83-1. Other or deprecated CAS numbers: 13362-38-4.

What is the molecular formula and weight of 3-Bromo-4-nitrosophenol?

The molecular formula of 3-Bromo-4-nitrosophenol is C6H4BrNO2 and its molar mass is 202.01 g/mol.

What is 3-Bromo-4-nitrosophenol used for?

Known uses and roles of 3-Bromo-4-nitrosophenol include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 3-Bromo-4-nitrosophenol hazardous?

3-Bromo-4-nitrosophenol carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes serious eye damage, suspected of causing cancer. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 3-Bromo-4-nitrosophenol?

3-Bromo-4-nitrosophenol is usually classified under HS code 290899 (Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols orโ€ฆ). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 3-Bromo-4-nitrosophenol?

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What is the price of 3-Bromo-4-nitrosophenol?

Suppliers quote 3-Bromo-4-nitrosophenol 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 3-Bromo-4-nitrosophenol

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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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