Naphthalene, GR 99%+

Name: Naphthalene, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-011243

About Naphthalene, GR 99%+

Naphthalene is a hydrocarbon (AR grade) carrying the CAS registry number 91-20-3 at a purity of ≥99%. Its molecular formula is C10H8 and its molecular weight is 128.17 g/mol. It is also known as Naphthalin or Tar camphor.

It is supplied as white powder or crystals. Literature values give a melting point of 79.5-81.0 °C and a boiling point of 218 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Typical applications include pharmaceutical synthesis, dyes and pigments manufacture and rubber compounding. Our customers for this product work in pharmaceutical manufacturing, academic and industrial research and textiles and dyeing.

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

Typical applications

Pharmaceutical synthesis
Dyes & pigments manufacture
Rubber compounding

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Naphthalene, GR 99%+
Catalogue No.	VQ-011243
CAS Number	91-20-3
IUPAC name	naphthalene
Molecular formula	C₁₀H₈
Molecular weight	128.17 g/mol
Exact mass	128.0626
Grade	AR
Purity / assay	≥99%
HSN code	29029040
InChIKey	UFWIBTONFRDIAS-UHFFFAOYSA-N
SMILES	C1=CC=C2C=CC=CC2=C1
PubChem CID	931

Physical properties
Physical form	Crystalline
Appearance	White powder or crystals
Melting point	79.5-81.0 °C
Boiling point	218 °C
LogP (XLogP3)	3.3
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
UN number	UN 1334
Synonyms	Naphthalin, Tar camphor, White tar, Naphthene, Camphor tar, naphtalene, Naphthaline, Moth balls, Moth flakes, Mighty 150, Mighty RD1, napthalene

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H351Suspected of causing cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P264, P270, P273, P280, P301 + P317, P318, P330, P391, 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 91-20-3

Synthesis

Naphthalene, 99%

CAS: 91-20-3
Formula: C₁₀H₈
MW: 128.17 g/mol

VQ-011242

Scintillation

Naphthalene, scintillation grade, 99%+

CAS: 91-20-3
Formula: C₁₀H₈
MW: 128.17 g/mol

VQ-000067

Frequently asked questions

What is the CAS number of Naphthalene, GR 99%+?

The CAS Registry Number of Naphthalene, GR 99%+ is 91-20-3. It is also known as Naphthalin, Tar camphor, White tar.

What is the molecular formula and molecular weight of Naphthalene, GR 99%+?

Naphthalene, GR 99%+ has the molecular formula C10H8 and a molecular weight of 128.17 g/mol. Its IUPAC name is naphthalene.

Which grade and pack sizes of Naphthalene, GR 99%+ can I order?

We supply Naphthalene, GR 99%+ in AR (≥99%) grade, in 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 Naphthalene, GR 99%+?

Yes. Every lot of Naphthalene, GR 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 Naphthalene, GR 99%+ be shipped internationally?

Yes. Naphthalene, GR 99%+ is classified as hazardous (UN 1334), 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.