Molekula
(S)-(-)-1,1'-Bi-2-naphthol, also known as (S)-BINOL
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
(S)-(-)-1,1'-Bi-2-naphthol, or (S)-BINOL, is a chiral organic compound widely used as a ligand in asymmetric catalysis, particularly in hydrogenation, Diels-Alder reactions, and other stereoselective transformations. It is also employed in chiral resolution and as a building block in organic synthesis. CAS 18531-99-2, molecular formula C20H14O2, molecular weight 286.32 g/mol. Store at ambient temperature. Hazard classification: Signal word Danger, with specific risks including serious eye irritation and skin irritation. Full SDS available on request. Molekula supplies (S)-BINOL 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 | White to off-white solid |
| Identification | Conforms toreference |
| Purity | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90037757 |
| CAS Number | 18531-99-2 |
| IUPAC Name | 1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol |
| EC Number | 210-014-0 |
| Molecular Formula | HOC10H6C10H6OH |
| Molecular Weight | 286.32 |
| Exact Mass | 286.0994 |
| SMILES | C1=CC=C2C(=C1)C=CC(=C2C3=C(C=CC4=CC=CC=C43)O)O |
| InChIKey | PPTXVXKCQZKFBN-UHFFFAOYSA-N |
| InChI | InChI=1S/C20H14O2/c21-17-11-9-13-5-1-3-7-15(13)19(17)20-16-8-4-2-6-14(16)10-12-18(20)22/h1-12,21-22H |
| PubChem CID | 11762 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29072900 |
| Tariff Code | 2907290090 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- 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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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 (S)-BINOL primarily used for?
(S)-BINOL is widely used as a chiral ligand in asymmetric catalysis, particularly in enantioselective reactions like Diels-Alder, epoxidation, and hydrogenation.
What is the molecular formula and molecular weight of (S)-BINOL?
The molecular formula is **HOC₁₀H₆C₁₀H₆OH**, and the molecular weight is **286.32 g/mol**.
How should (S)-BINOL be stored?
Store (S)-BINOL at **ambient temperature** in a cool, dry place, away from moisture and direct sunlight.
What purity grades of (S)-BINOL does Molekula offer?
Molekula supplies (S)-BINOL in **high-purity analytical and synthetic grades**, typically ≥99% enantiomeric excess (ee).
Can Molekula supply (S)-BINOL in bulk quantities?
Yes, Molekula can provide (S)-BINOL in bulk, with quantities tailored to your research or industrial needs.
What documentation is included with an order of (S)-BINOL?
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.