1,1′-Bi-2-naphthol, 99%

Name: 1,1′-Bi-2-naphthol, 99%
Brand: Vaqora Chemicals
SKU: VQ-010111

About 1,1′-Bi-2-naphthol, 99%

1,1′-Bi-2-naphthol (CAS 602-09-5) is a phenolic building block offered by Vaqora Chemicals with a typical assay of 99%. The compound has the formula C20H14O2, corresponding to a molecular weight of 286.3 g/mol. Systematically, it is named 1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol. Alternative names: (±)-1,1′-Binaphthalene-2,2′-diol and (±)-2,2′-Dihydroxy-1,1′-dinaphthyl.

In its supplied form it is white to yellow to grey to brown powder or crystals or chunks. Literature values give a melting point of 214-217 °C. 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 coordination chemistry and organic synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer 1,1′-Bi-2-naphthol in 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Coordination chemistry
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,1′-Bi-2-naphthol, 99%
Catalogue No.	VQ-010111
CAS Number	602-09-5
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	28439019
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 to grey to brown powder or crystals or chunks
Melting point	214-217 °C
LogP (XLogP3)	5.3
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	(±)-1,1′-Binaphthalene-2,2′-diol, (±)-2,2′-Dihydroxy-1,1′-dinaphthyl, 2,2′-Dihydroxybinaphthalene, 2,2′-Dihydroxydinaphthyl, 2,2′-Dinaphthol, BINOL, 1,1'-Bi-2-naphthol, [1,1'-Binaphthalene]-2,2'-diol, beta-Binaphthol, 1,1'-Binaphthyl-2,2'-diol, Bis-beta-naphthol, alpha-Binaphthyl-2,2'-diol

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 1,1′-Bi-2-naphthol, 99%?

The CAS Registry Number of 1,1′-Bi-2-naphthol, 99% is 602-09-5. It is also known as (±)-1,1′-Binaphthalene-2,2′-diol, (±)-2,2′-Dihydroxy-1,1′-dinaphthyl, 2,2′-Dihydroxybinaphthalene.

What is the molecular formula and molecular weight of 1,1′-Bi-2-naphthol, 99%?

1,1′-Bi-2-naphthol, 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 1,1′-Bi-2-naphthol, 99% can I order?

We supply 1,1′-Bi-2-naphthol, 99% in (99%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,1′-Bi-2-naphthol, 99%?

Yes. Every lot of 1,1′-Bi-2-naphthol, 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 1,1′-Bi-2-naphthol, 99% be shipped internationally?

Yes. 1,1′-Bi-2-naphthol, 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.