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Metabolites & Degradation Products

4-Hydroxydiphenylamine

Reference StandardAvailable on request

Buy 4-Hydroxydiphenylamine (CAS 122-37-2) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-042321.

Pack sizes
4-Hydroxydiphenylamine chemical structure
CAS number122-37-2
FormulaC12H11NO
Molar mass185.22 g/mol
Physical formSolid
HS code38229090
InChIKeyJTTMYKSFKOOQLP-UHFFFAOYSA-N
IUPAC name4-anilinophenol

About 4-Hydroxydiphenylamine

Analytical teams working on Paracetamol use 4-Hydroxydiphenylamine as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 122-37-2, formula C12H11NO and molar mass 185.22 g/mol. It is handled as a solid.

Where it is used

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Safe handling

Classified under GHS with signal word Danger and hazard statements H312, H315, H318 and H319. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Paracetamol

See every impurity, metabolite and related compound we list for this API.

Paracetamol standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 4-Hydroxydiphenylamine
Product name4-Hydroxydiphenylamine
Catalogue numberZX-042321
CAS number122-37-2
IUPAC name4-anilinophenol
Molecular formulaC12H11NO
Molar mass185.22 g/mol
Exact mass185.0841
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors2 / 2
Topological polar surface area32.3 Ų
HS code38229090
InChIKeyJTTMYKSFKOOQLP-UHFFFAOYSA-N
SMILESC1=CC=C(C=C1)NC2=CC=C(C=C2)O
PubChem CID31208
Synonyms4-(phenylamino)phenol, p-Anilinophenol, Phenol, 4-(phenylamino)-, p-Hydroxydiphenylamine, p-Oxydiphenylamine, 4-Phenylaminophenol, N-Phenyl-p-aminophenol, Phenyl-p-aminophenol, p-Hydroxydifenylamin, VTI 1, Phenol, p-anilino-, Diphenylamine, 4-hydroxy-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 4-Hydroxydiphenylamine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 4-Hydroxydiphenylamine

Which CAS number identifies 4-Hydroxydiphenylamine?
4-Hydroxydiphenylamine is registered under CAS 122-37-2. You may also see it listed as 4-(phenylamino)phenol, p-Anilinophenol, Phenol, 4-(phenylamino)-. Our catalogue number for this item is ZX-042321.
What are the formula and molar mass of 4-Hydroxydiphenylamine?
For 4-Hydroxydiphenylamine, its formula is C12H11NO and its molar mass is 185.22 g/mol. The systematic (IUPAC) name is 4-anilinophenol. InChIKey JTTMYKSFKOOQLP-UHFFFAOYSA-N lets you match it in any structure database.
How is 4-Hydroxydiphenylamine used in pharmaceutical QC?
4-Hydroxydiphenylamine is a characterised reference material linked to Paracetamol. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 4-Hydroxydiphenylamine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 4-Hydroxydiphenylamine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 4-Hydroxydiphenylamine to my country?
Yes. Because 4-Hydroxydiphenylamine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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