Molekula
4-Hydroxydiphenylamine 97%
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 (CAS 122-37-2) is a high-purity antioxidant used primarily in rubber, plastics, and petroleum industries to inhibit oxidation and extend product lifespan. It appears as a white to off-white crystalline powder with a molecular formula of C6H5N(H)C6H4OH and a molecular weight of 185.23 g/mol. Store at ambient conditions. Signal word: Danger. Molekula supplies 4-Hydroxydiphenylamine 97% 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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
Specifications available on request — see Documents below or contact our sales team.
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 | 90036440 |
| 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
-
Corrosive
GHS05
-
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 (97%) commonly used for?
It is primarily used as an antioxidant in rubber, plastics, and fuels to prevent oxidative degradation and extend shelf life.
What is the molecular formula and molecular weight of 4-Hydroxydiphenylamine?
The molecular formula is **C12H11NO** (C6H5N(H)C6H4OH), and the molecular weight is **185.23 g/mol**.
What is the hazard classification (Signal word) for this product?
The product is classified with the **Signal word: Danger**, indicating significant hazards (e.g., acute toxicity).
How should 4-Hydroxydiphenylamine (97%) be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture, heat, and direct sunlight.
Can Molekula supply 4-Hydroxydiphenylamine in bulk quantities?
Yes, Molekula can provide bulk quantities of 4-Hydroxydiphenylamine (97%) upon request, subject to availability and order volume.
What documentation is provided with an order of 4-Hydroxydiphenylamine?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.