Molekula
2-Hydroxybiphenyl (2-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
2-Hydroxybiphenyl, also called 2-phenylphenol, is an organic compound primarily used as a fungicide, disinfectant and preservative, including in wood preservation, crop protection and post-harvest treatment of citrus fruit, as well as an intermediate in pharmaceutical synthesis. It appears as a white to off-white crystalline solid with a faint phenolic odor. This chemical has a CAS number of 90-43-7, a molecular formula of C6H5C6H4OH, and a molecular weight of 170.21. It is stable under ambient storage conditions but requires careful handling due to its warning-level hazards. Molekula supplies 2-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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Flakes |
| Assay/Purity | ≥99% |
| Solubility (10% NaOH) | 500 g/l |
| Solubility 20°C in water | 0.5-0.6 g/l |
| Solubility 20°C in ethanol | 5900 g/l |
| Solubility 20°C in isopropanol | 3300 g/l |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless to pinkish crystals |
| Odour | Mild characteristic odor |
| Melting Point | 58-60 °C |
| Boiling Point | 286 °C |
| Density | 1.2 (relative, water = 1) |
| Water Solubility | Insoluble in water |
| Solubility (other solvents) | Soluble in fixed alkali hydroxide solutions and most organic solvents |
| Vapour Pressure | 0.07 Pa at 20 °C |
| pKa | pKa = 9.55 |
| log P (octanol/water) | 3.09 |
Source: PubChem CID 7017 (HSDB, ICSC, Joint FAO/WHO Expert Committee on Food Additives (JECFA))
Identification
| Property | Value |
|---|---|
| SKU | 90031725 |
| CAS Number | 90-43-7 |
| IUPAC Name | 2-phenylphenol |
| EC Number | 201-993-5 |
| Molecular Formula | C6H5C6H4OH |
| Molecular Weight | 170.21 |
| Exact Mass | 170.0732 |
| SMILES | C1=CC=C(C=C1)C2=CC=CC=C2O |
| InChIKey | LLEMOWNGBBNAJR-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H10O/c13-12-9-5-4-8-11(12)10-6-2-1-3-7-10/h1-9,13H |
| PubChem CID | 7017 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| Tariff Code | 29071990 |
Safety & GHS
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H400 Very toxic to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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 2-Hydroxybiphenyl (2-Phenylphenol) commonly used for?
It is primarily used as a fungicide in wood preservation, as an intermediate in organic synthesis, and in the production of UV absorbers and antioxidants.
What is the chemical formula and molecular weight of 2-Hydroxybiphenyl?
The chemical formula is C12H10O (or C6H5C6H4OH), and the molecular weight is 170.21 g/mol.
What safety classification does 2-Hydroxybiphenyl have, and how should it be stored?
The product has a signal word of 'Warning' under GHS. Store it in a tightly sealed container at ambient temperature, away from incompatible substances.
What grades or purities of 2-Hydroxybiphenyl does Molekula supply?
Molekula supplies technical grade (98%+ purity) and analytical/ACS grade for research and industrial applications.
Can Molekula supply 2-Hydroxybiphenyl in bulk quantities?
Yes, we offer bulk packaging options (e.g., 5 kg, 25 kg, and 100 kg drums) for large-scale industrial and commercial needs.
What documentation is provided with an order of 2-Hydroxybiphenyl?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and a packing list with batch-specific details.
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.