Get FREE SHIPPING when you spend $99 or more | ATOMFAIR

Awaiting product image

Atomfair 3-Chloro-4-nitrophenol C6H4ClNO3 CAS 491-11-2

3-Chloro-4-nitrophenol (CAS No. 491-11-2) is a high-purity chlorinated nitrophenol compound with the molecular formula C6H4ClNO3. This fine chemical is widely utilized in organic synthesis, pharmaceutical intermediates, and agrochemical research due to its reactive phenolic and nitro functional groups. The compound appears as a yellow to light brown crystalline powder with a melting point of approximately 75-78°C. It is soluble in organic solvents such as ethanol, acetone, and dimethyl sulfoxide (DMSO) but exhibits limited solubility in water. Suitable for laboratory and industrial applications, our product is rigorously tested for purity (typically ≥97% by HPLC) and consistency, ensuring reliable performance in synthetic…

Category:

Description

3-Chloro-4-nitrophenol (CAS No. 491-11-2) is a high-purity chlorinated nitrophenol compound with the molecular formula C6H4ClNO3. This fine chemical is widely utilized in organic synthesis, pharmaceutical intermediates, and agrochemical research due to its reactive phenolic and nitro functional groups. The compound appears as a yellow to light brown crystalline powder with a melting point of approximately 75-78°C. It is soluble in organic solvents such as ethanol, acetone, and dimethyl sulfoxide (DMSO) but exhibits limited solubility in water. Suitable for laboratory and industrial applications, our product is rigorously tested for purity (typically ≥97% by HPLC) and consistency, ensuring reliable performance in synthetic workflows. Store in a cool, dry place away from strong oxidizers and light to maintain stability.

Properties

  • CAS Number: 491-11-2
  • Complexity: 158
  • IUPAC Name: 3-chloro-4-nitro-phenol
  • InChI: InChI=1S/C6H4ClNO3/c7-5-3-4(9)1-2-6(5)8(10)11/h1-3,9H
  • InChI Key: DKTRZBWXGOPYIX-UHFFFAOYSA-N
  • Exact Mass: 172.9879707
  • Molecular Formula: C6H4ClNO3
  • Molecular Weight: 173.55
  • SMILES: C1=CC(=C(C=C1O)Cl)[N+](=O)[O-]
  • Topological: 66.1
  • Monoisotopic Mass: 172.9879707
  • Synonyms: 3-CHLORO-4-NITROPHENOL, Phenol, 3-chloro-4-nitro-, BRN 1950821, EINECS 207-730-0, DTXSID3075416, DTXCID1040665, 207-730-0, 4-06-00-01357 (beilstein handbook reference), dktrzbwxgopyix-uhfffaoysa-n, 491-11-2, 2-Chloro-4-hydroxynitrobenzene, 4-nitro-3-chlorophenol, MFCD00466090, 3-Chlor-4-nitrophenol, 3-Chloro 4-nitrophenol, VFG7H7L4GQ, SCHEMBL1551981, SCHEMBL10521677, BCP30239, BBL104262, SBB088799, STL388963, AKOS000299823, CS-W008663, MB01255, AC-27959, AS-19811, FC140090, SY109271, DB-023319, NS00031855, EN300-56891, AF-936/31260047, Z859818112

Application

3-Chloro-4-nitrophenol serves as a versatile intermediate in the synthesis of dyes, pigments, and pharmaceuticals. It is employed in the preparation of herbicides and fungicides due to its bioactive properties. Researchers also utilize this compound in coupling reactions and as a precursor for more complex nitroaromatic derivatives.

Safety and Hazards

GHS Hazard Statements

  • H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (50%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (50%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (50%)
  • Skin Irrit. 2 (50%)
  • Eye Irrit. 2A (50%)
  • STOT SE 3 (50%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Related products