1-Naphthol, 99%

Name: 1-Naphthol, 99%
Brand: Vaqora Chemicals
SKU: VQ-010114

About 1-Naphthol, 99%

Listed under CAS 90-15-3, 1-Naphthol is a phenolic building block available from Vaqora Chemicals in Synthesis grade with a typical assay of 99%. Formula C10H8O, molecular weight 144.17 g/mol. Systematically, it is named naphthalen-1-ol. Alternative names: a-Naphthol and 1-Hydroxynaphthalene.

In its supplied form it is an off white to brown flakes to powder to solid. Literature values give a melting point of 94-96 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, fine chemical synthesis, dyes and pigments manufacture and cosmetics and personal care. It is used across pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

Standard pack sizes are 100 g, 500 g, 5 kg and 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Fine chemical synthesis
Dyes & pigments manufacture
Cosmetics & personal care

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-Naphthol, 99%
Catalogue No.	VQ-010114
CAS Number	90-15-3
IUPAC name	naphthalen-1-ol
Molecular formula	C₁₀H₈O
Molecular weight	144.17 g/mol
Exact mass	144.0575
Grade	Synthesis
Purity / assay	99%
HSN code	29071510
InChIKey	KJCVRFUGPWSIIH-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C=CC=C2O
PubChem CID	7005

Physical properties
Physical form	Flakes
Appearance	Off white to brown flakes to powder to solid
Melting point	94-96 °C
LogP (XLogP3)	2.8
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
UN number	UN 2811
Synonyms	a-Naphthol, 1-Hydroxynaphthalene, alpha-naphthol, 1-Naphthalenol, Furro ER, Ursol ERN, Fouramine ERN, Fourrine ERN, Tertral ERN, Basf Ursol ERN, Fourrine 99, Nako TRB

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + 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

Other grades of CAS 90-15-3

AR

1-Naphthol, GR 99%+

CAS: 90-15-3
Formula: C₁₀H₈O
MW: 144.17 g/mol

VQ-010115

Reference Standard

Duloxetine EP Impurity D

CAS: 90-15-3
Formula: C₁₀H₈O
MW: 144.17 g/mol

In stock

Frequently asked questions

What is the CAS number of 1-Naphthol, 99%?

The CAS Registry Number of 1-Naphthol, 99% is 90-15-3. It is also known as a-Naphthol, 1-Hydroxynaphthalene, alpha-naphthol.

What is the molecular formula and molecular weight of 1-Naphthol, 99%?

1-Naphthol, 99% has the molecular formula C10H8O and a molecular weight of 144.17 g/mol. Its IUPAC name is naphthalen-1-ol.

Which grade and pack sizes of 1-Naphthol, 99% can I order?

We supply 1-Naphthol, 99% in Synthesis (99%) grade, in 100 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 1-Naphthol, 99%?

Yes. Every lot of 1-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-Naphthol, 99% be shipped internationally?

Yes. 1-Naphthol, 99% is classified as hazardous (UN 2811), 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.