Molekula
4-Hydroxydiphenylamine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4-Hydroxydiphenylamine is a chemical compound used in the synthesis of dyes, pharmaceuticals, and antioxidants. It is a solid with a molecular weight of 185.23 g/mol, a molecular formula of C12H11NO, and a CAS number of 122-37-2. It should be stored at ambient temperatures and handled with care due to its danger signal word. Molekula supplies 4-Hydroxydiphenylamine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £95.10 per pack ex VAT · £114.12 inc. VAT
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100 g — £325.00 per pack ex VAT · £390.00 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Grey to Light yellow or brown solids |
| Assay/Purity | ≥ 98.0% |
| Melting Point | 63 - 79°C |
| Water | ≤ 0.50% |
| Ash | ≤ 0.50% |
| Identification (RAMAN) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 73 °C |
Source: PubChem CID 31208 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 89968043 |
| CAS Number | 122-37-2 |
| IUPAC Name | 4-anilinophenol |
| EC Number | 204-538-9 |
| Molecular Formula | C6H5N(H)C6H4OH |
| Molecular Weight | 185.23 |
| Exact Mass | 185.0841 |
| SMILES | C1=CC=C(C=C1)NC2=CC=C(C=C2)O |
| InChIKey | JTTMYKSFKOOQLP-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H11NO/c14-12-8-6-11(7-9-12)13-10-4-2-1-3-5-10/h1-9,13-14H |
| PubChem CID | 31208 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29214420 |
| Tariff Code | 2921440090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 4-(phenylamino)phenol
- 4-Anilinophenol
- N-Phenyl-p-aminophenol
- p-Anilinophenol
- p-Hydroxydifenylamin
- p-Hydroxydiphenylamine
- p-Oxydiphenylamine
- Phenol, 4-(phenylamino)-
- Phenyl-p-aminophenol
- VTI 1
Frequently asked questions
What is 4-Hydroxydiphenylamine used for?
It is primarily used as an intermediate in the synthesis of dyes and pharmaceuticals.
What is the chemical formula and molecular weight of 4-Hydroxydiphenylamine?
The formula is C12H11NO and the molecular weight is 185.23 g/mol.
How should 4-Hydroxydiphenylamine be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for 4-Hydroxydiphenylamine?
We currently offer it in technical grade.
Can Molekula supply 4-Hydroxydiphenylamine in bulk?
Yes, we can supply bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of 4-Hydroxydiphenylamine?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.