Molekula
4-Hydroxybiphenyl (4-Phenylphenol)
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-Hydroxybiphenyl (4-phenylphenol) is an aromatic organic compound primarily used as a precursor in the synthesis of pharmaceuticals, agrochemicals, and polymers such as polycarbonates. It also serves as a UV stabilizer and fungicide in industrial applications. In addition, it is an intermediate for varnish and phenolic resins, dyes and nonionic emulsifiers, and is used in making rubber chemicals. This chemical has a CAS number of 92-69-3, with the molecular formula C6H5C6H4OH and a molecular weight of 170.21 g/mol. It is stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies 4-Hydroxybiphenyl 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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1 kg — $118.30 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | While solid |
| Ash | ≤ 0.1% |
| Assay HPLC | ≥ 99.0% |
| 2-Phenylphenol | ≤ 0.2% |
| 3-Phenylphenol | ≤ 0.1% |
| 4,4’-Biphenol | ≤ 0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Nearly white crystals |
| Melting Point | 164-165 °C |
| Boiling Point | 305-308 °C |
| Solubility (other solvents) | Soluble in oxygenated solvents |
| Vapour Pressure | 0.0000188 mmHg |
| pKa | pKa = 9.5 |
| log P (octanol/water) | 3.20 |
Source: PubChem CID 7103 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 35939801 |
| CAS Number | 92-69-3 |
| IUPAC Name | 4-phenylphenol |
| EC Number | 202-179-2 |
| Molecular Formula | C6H5C6H4OH |
| Molecular Weight | 170.21 |
| Exact Mass | 170.0732 |
| SMILES | C1=CC=C(C=C1)C2=CC=C(C=C2)O |
| InChIKey | YXVFYQXJAXKLAK-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H10O/c13-12-8-6-11(7-9-12)10-4-2-1-3-5-10/h1-9,13H |
| PubChem CID | 7103 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| HTS Code | 2907.19.8000 |
| Tariff Code | 2907199020 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P332+313 IF skin irritation occurs: Get medical advice/attention
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
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
No alternate names recorded for this product.
Frequently asked questions
What is 4-Hydroxybiphenyl (4-Phenylphenol) commonly used for?
4-Hydroxybiphenyl is primarily used as a precursor in the synthesis of pharmaceuticals, agrochemicals, and liquid crystal materials, as well as in the production of UV absorbers and antioxidants.
What is the chemical formula and molecular weight of 4-Hydroxybiphenyl?
The chemical formula is **C12H10O** (C6H5C6H4OH), and the molecular weight is **170.21 g/mol**.
What is the recommended storage condition for 4-Hydroxybiphenyl?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.
What purity grades of 4-Hydroxybiphenyl does Molekula supply?
Molekula supplies **technical grade (98%+ purity)** and **analytical/pharmaceutical grade** upon request—confirm availability for your specific needs.
Can Molekula supply 4-Hydroxybiphenyl in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 5 kg, 25 kg, and larger drums) for industrial and research-scale applications—contact us for custom quotes.
What documentation is provided with an order of 4-Hydroxybiphenyl?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.