2-Naphthol, 99%

Name: 2-Naphthol, 99%
Brand: Vaqora Chemicals
SKU: VQ-010149

About 2-Naphthol, 99%

Listed under CAS 135-19-3, 2-Naphthol is a phenolic building block available from Vaqora Chemicals (Synthesis grade) with a typical assay of 99%. Formula C10H8O, molecular weight 144.17 g/mol. The IUPAC name is naphthalen-2-ol. Alternative names: ß-Naphthol and 2-Hydroxynaphthalene.

The material typically appears as off white to beige to brown powder or flakes. Literature values give a melting point of 120-122 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis, indicator for titrations, fluorescent labelling and dyes and pigments manufacture. Our customers for this product work in pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

We offer 2-Naphthol in 250 g, 500 g, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Indicator for titrations
Fluorescent labelling
Dyes & pigments manufacture

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Naphthol, 99%
Catalogue No.	VQ-010149
CAS Number	135-19-3
IUPAC name	naphthalen-2-ol
Molecular formula	C₁₀H₈O
Molecular weight	144.17 g/mol
Exact mass	144.0575
Grade	Synthesis
Purity / assay	99%
HSN code	29071520
InChIKey	JWAZRIHNYRIHIV-UHFFFAOYSA-N
SMILES	C1=CC=C2C=C(C=CC2=C1)O
PubChem CID	8663

Physical properties
Physical form	Flakes
Appearance	Off white to beige to brown powder or flakes
Melting point	120-122 °C
LogP (XLogP3)	2.7
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
UN number	UN 3077
Synonyms	ß-Naphthol, 2-Hydroxynaphthalene, 2-Naphthalenol, beta-naphthol, Betanaphthol, Isonaphthol, Developer A, Developer BN, Naphthol B, 2-Naphtol, beta-Hydroxynaphthalene, Azogen developer A

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H332Harmful if inhaled
H400Very toxic to aquatic life

Precautionary statements: P261, P264, P270, P271, P273, P301 + P317, P304 + P340, P317, P330, P391, 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

Other grades of CAS 135-19-3

AR

2-Naphthol, GR 99%+

CAS: 135-19-3
Formula: C₁₀H₈O
MW: 144.17 g/mol

VQ-010150

Reference Standard

Tolnaftate Impurity A

CAS: 135-19-3
Formula: C₁₀H₈O
MW: 144.17 g/mol

In stock

Frequently asked questions

What is the CAS number of 2-Naphthol, 99%?

The CAS Registry Number of 2-Naphthol, 99% is 135-19-3. It is also known as ß-Naphthol, 2-Hydroxynaphthalene, 2-Naphthalenol.

What is the molecular formula and molecular weight of 2-Naphthol, 99%?

2-Naphthol, 99% has the molecular formula C10H8O and a molecular weight of 144.17 g/mol. Its IUPAC name is naphthalen-2-ol.

Which grade and pack sizes of 2-Naphthol, 99% can I order?

We supply 2-Naphthol, 99% in Synthesis (99%) grade, in 250 g, 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Naphthol, 99%?

Yes. Every lot of 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 2-Naphthol, 99% be shipped internationally?

Yes. 2-Naphthol, 99% is classified as hazardous (UN 3077), 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.