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4-(4-Methylphenoxy)benzoic acid

CAS 21120-65-0H3CC6H4OC6H4CO2HChemical Synthesis

4-(4-Methylphenoxy)benzoic acid (CAS: 21120-65-0) is a chemical compound with the formula H3CC6H4OC6H4CO2H and a molecular weight of 228.24 g/mol. This carboxylic acid derivative serves as a valuable building block in organic synthesis. It is frequently employed in the development of advanced materials and pharmaceutical intermediates, offering a unique structural motif for further chemical modification.

IUPAC
4-(p-Tolyloxy)benzoic acid
Synonyms
4-(p-Tolyloxy)benzoic acid
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4-(4-Methylphenoxy)benzoic acid (H3CC6H4OC6H4CO2H) — chemical structure, CAS 21120-65-0; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksC13 to C42+Carbonyl CompoundsCarboxylic AcidsChemical Synthesis
01 /Applications

Organic Synthesis Intermediate

Utilised as a key intermediate in the synthesis of more complex organic molecules. Its structure, featuring both a carboxylic acid group and a phenoxy linkage, allows for diverse chemical transformations.

Material Science

Can be incorporated into the design of novel polymers and functional materials. The aromatic rings and carboxylic acid functionality contribute to properties relevant in material science research.

Pharmaceutical Research

Serves as a building block in the discovery and development of new pharmaceutical agents. Its structural features may be advantageous for creating compounds with specific biological activities.

02 /Properties
Molecular weight228.24
Linear formulaH3CC6H4OC6H4CO2H
Assay97%
Melting point178-182 °C
03 /Safety & handling
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
GHS hazard pictogram: Environmental hazard (GHS09)
Environmental hazard
Warning

Hazard statements

  • H302Harmful if swallowed
  • H319Causes serious eye irritation
  • H400Very toxic to aquatic life

Precautionary statements

  • P273Avoid release to the environment
  • P305IF IN EYES
Protective equipmentdust mask type N95 (US), Eyeshields, Gloves
Transport (UN / ADR)UN 3077 9 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn,N
Risk statements (R)22-36-50/53
Safety statements (S)26-60-61

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
21120-65-0
MDL number
MFCD01631893
05 /Quality & supply

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.

06 /Frequently asked questions

What is 4-(4-Methylphenoxy)benzoic acid used for?

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4-(4-Methylphenoxy)benzoic acid is primarily used as a building block and intermediate in organic synthesis, particularly in material science and pharmaceutical research.

What is the CAS number and chemical formula for 4-(4-Methylphenoxy)benzoic acid?

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The CAS number is 21120-65-0 and the chemical formula is H3CC6H4OC6H4CO2H.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 4-(4-Methylphenoxy)benzoic acid with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.

What are the main hazards associated with 4-(4-Methylphenoxy)benzoic acid?

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This compound is classified with GHS07 and GHS09 symbols, carrying a Warning signal word. It is harmful if swallowed (H302), causes serious eye irritation (H319), and is very toxic to aquatic life with long-lasting effects (H400). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used during handling. Avoid release into the environment (P273).

How is 4-(4-Methylphenoxy)benzoic acid packed and shipped?

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As a global supplier and exporter, Tech Serve Solutions ensures secure and compliant packaging for all shipments, adhering to international regulations for hazardous materials like UN 3077.

How can I request a sample or quote for 4-(4-Methylphenoxy)benzoic acid?

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Please contact our sales department through the website or by phone to request a sample or a detailed quotation for 4-(4-Methylphenoxy)benzoic acid.

Need 4-(4-Methylphenoxy)benzoic acid in a specific grade or volume?