(S)-Binol, 99%

About (S)-Binol, 99%

(S)-Binol is a chiral building block carrying the CAS registry number 18531-99-2 at a purity of 99%. The compound has the formula C20H14O2, corresponding to a molecular weight of 286.3 g/mol. Its systematic (IUPAC) name is 1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol. It is also known as (-)-2,2'-Dihydroxy-1,1'-dinaphthyl or (S)-(-)-1,1'-Binaphthalene-2,2'-diol.

In its supplied form it is white to yellow powder or crystals. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span catalysis and coordination chemistry. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 5 g, 25 g, 100 g and 1 kg packs, (S)-Binol is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Catalysis
Coordination chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	(S)-Binol, 99%
Catalogue No.	VQ-011272
CAS Number	18531-99-2
IUPAC name	1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol
Molecular formula	C₂₀H₁₄O₂
Molecular weight	286.3 g/mol
Exact mass	286.0994
Purity / assay	99%
HSN code	29072990
InChIKey	PPTXVXKCQZKFBN-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C=CC(=C2C3=C(C=CC4=CC=CC=C43)O)O
PubChem CID	11762

Physical properties
Physical form	Crystalline
Appearance	White to yellow powder or crystals
LogP (XLogP3)	5.3
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	(-)-2,2'-Dihydroxy-1,1'-dinaphthyl, (S)-(-)-1,1'-Binaphthalene-2,2'-diol, (S)-(−)-1,1′-Bi(2-naphthol), 1,1'-Bi-2-naphthol, [1,1'-Binaphthalene]-2,2'-diol, binol, beta-Binaphthol, 1,1'-Binaphthyl-2,2'-diol, Bis-beta-naphthol, alpha-Binaphthyl-2,2'-diol, (S)-(-)-1,1'-Bi-2-naphthol, (R)-(+)-1,1'-Bi-2-naphthol

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of (S)-Binol, 99%?

The CAS Registry Number of (S)-Binol, 99% is 18531-99-2. It is also known as (-)-2,2'-Dihydroxy-1,1'-dinaphthyl, (S)-(-)-1,1'-Binaphthalene-2,2'-diol, (S)-(−)-1,1′-Bi(2-naphthol).

What is the molecular formula and molecular weight of (S)-Binol, 99%?

(S)-Binol, 99% has the molecular formula C20H14O2 and a molecular weight of 286.3 g/mol. Its IUPAC name is 1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol.

Which grade and pack sizes of (S)-Binol, 99% can I order?

We supply (S)-Binol, 99% in (99%) grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (S)-Binol, 99%?

Yes. Every lot of (S)-Binol, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can (S)-Binol, 99% be shipped internationally?

Yes. (S)-Binol, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.