2-Chloronaphthalene

Name: 2-Chloronaphthalene
Brand: Vaqora Chemicals
SKU: VQ-039992

About 2-Chloronaphthalene

Listed under CAS 91-58-7, 2-Chloronaphthalene is an API impurity reference standard available from Vaqora Chemicals. With the molecular formula C10H7Cl, it has a molar mass of 162.61 g/mol. Common synonyms include Naphthalene, 2-chloro- and beta-Chloronaphthalene.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of the parent drug substance to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Chloronaphthalene
Catalogue No.	VQ-039992
CAS Number	91-58-7
IUPAC name	2-chloronaphthalene
Molecular formula	C₁₀H₇Cl
Molecular weight	162.61 g/mol
Exact mass	162.0236
Grade	Reference Standard
HSN code	38229090
InChIKey	CGYGETOMCSJHJU-UHFFFAOYSA-N
SMILES	C1=CC=C2C=C(C=CC2=C1)Cl
PubChem CID	7056

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	Naphthalene, 2-chloro-, beta-Chloronaphthalene, 2-Chlornaftalen, .beta.-Chloronaphthalene, 2-naphthyl chloride, 7-chloronaphthalene, PCN 2

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, 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 2-Chloronaphthalene?

The CAS Registry Number of 2-Chloronaphthalene is 91-58-7. It is also known as Naphthalene, 2-chloro-, beta-Chloronaphthalene, 2-Chlornaftalen.

What is the molecular formula and molecular weight of 2-Chloronaphthalene?

2-Chloronaphthalene has the molecular formula C10H7Cl and a molecular weight of 162.61 g/mol. Its IUPAC name is 2-chloronaphthalene.

Which grade and pack sizes of 2-Chloronaphthalene can I order?

We supply 2-Chloronaphthalene in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Chloronaphthalene?

Yes. Every lot of 2-Chloronaphthalene 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-Chloronaphthalene be shipped internationally?

Yes. 2-Chloronaphthalene 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.