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 known as 2-Phenylphenol, is a phenolic compound used as a fungicide, bactericide, and preservative in industrial and agricultural applications. Typical applications include post-harvest fungicide treatment of citrus fruit, sapstain control in freshly cut lumber, disinfectant formulations, and antimicrobial protection of metalworking fluids, adhesives and textiles. It is a white to pale yellow crystalline solid with a molecular formula of C12H10O, a molecular weight of 170.21 g/mol, and a CAS number of 90-43-7. It is stable at ambient storage conditions and classified as a hazardous substance with a signal word of Danger. 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
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 — £92.10 per pack ex VAT · £110.52 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 | White solid |
| Melting Point | 56 -59 Deg C |
| Water | <0.2% |
| Assay | >99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 124 °C |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Neutral |
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 | 17965820 |
| 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 | UN1759 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2907.19.8000 |
| Tariff Code | 2907199090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
-
Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- EUH380 May cause endocrine disruption in humans
- EUH430 May cause endocrine disruption in the environment
- H314 (sub cat. 1C) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H335 May cause respiratory irritation
- H351 Suspected of causing cancer
- H370 Causes damage to organs
- H372 Causes damage to organs through prolonged or repeated exposure
- 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
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, 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
No alternate names recorded for this product.
Frequently asked questions
What is 2-Hydroxybiphenyl used for?
2-Hydroxybiphenyl is primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and agrochemicals.
What is the chemical formula and molecular weight of 2-Hydroxybiphenyl?
The formula is C6H5C6H4OH and the molecular weight is 170.21 g/mol.
How should 2-Hydroxybiphenyl be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for 2-Hydroxybiphenyl?
Molekula offers 2-Hydroxybiphenyl in technical grade; custom grades are available upon request.
Can Molekula supply 2-Hydroxybiphenyl in bulk?
Yes, Molekula can supply 2-Hydroxybiphenyl in bulk quantities; please contact sales for pricing and availability.
What documentation comes with an order of 2-Hydroxybiphenyl?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available 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.