2,6-Dimethyl-4-nitrophenol
2,6-Dimethyl-4-nitrophenol (CAS 2423-71-4) is an organic compound with the linear formula O₂NC₆H₂(CH₃)₂OH and a molecular weight of 167.16 g/mol. This phenol derivative serves as a valuable building block in chemical synthesis. Its primary applications include its use in studies related to molecular binding and as an internal standard in analytical chemistry, particularly for the determination of related nitrophenol compounds in biological samples.
- IUPAC
- 4-Nitro-2,6-xylenol
- Synonyms
- O2NC6H2(CH3)2OH4-Nitro-2,6-xylenol

Analytical Standard
2,6-Dimethyl-4-nitrophenol is employed as an internal standard in the quantitative analysis of 4-nitrophenol and 3-methyl-4-nitrophenol in human urine, utilising liquid chromatography coupled with tandem mass spectrometry.
Biochemical Research
The compound has been used in studies investigating the binding characteristics of p-nitrophenol and its phenolate form with cyclohexaamylose, contributing to the understanding of host-guest interactions.
Organic Synthesis
As a functionalised phenol, it serves as a versatile building block for the synthesis of more complex organic molecules and derivatives in research and development settings.
| Molecular weight | 167.16 |
|---|---|
| Linear formula | O2NC6H2(CH3)2OH |
| Assay | 98% |
| Application | 2,6-Dimethyl-4-nitrophenol was used to study the disposition requirement for binding of p-nitrophenol and sodium p-nitrophenolate like substrates with cyclohexaamylaose1. It was used as internal standard in determination of 4-nitrophenol and 3-methyl-4-nitrophenol in human urine by liquid chromatography combined with tandem mass spectrometry 2. |
| Melting point | 168 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,6-Dimethyl-4-nitrophenol used for?
+
2,6-Dimethyl-4-nitrophenol is used in biochemical research to study binding interactions and as an internal standard in analytical methods, such as liquid chromatography-tandem mass spectrometry, for quantifying related nitrophenol compounds.
What are the CAS number and chemical formula for 2,6-Dimethyl-4-nitrophenol?
+
The CAS number is 2423-71-4, and its linear formula is O₂NC₆H₂(CH₃)₂OH.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,6-Dimethyl-4-nitrophenol with a purity of 98%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
What are the main safety considerations for handling 2,6-Dimethyl-4-nitrophenol?
+
This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used. Ensure good ventilation and avoid inhaling dust.
How is 2,6-Dimethyl-4-nitrophenol packed, shipped, and exported?
+
We ensure secure and compliant packaging for all our chemicals, suitable for domestic and international export. Specific packaging details can be provided upon request.
How can I request a sample or a quote for 2,6-Dimethyl-4-nitrophenol?
+
To request a sample or a formal quotation, please contact our sales department via the website or direct email, providing your contact details and the quantity required.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis