Naphtholhydroxamic acid, 97%

Name: Naphtholhydroxamic acid, 97%
Brand: Vaqora Chemicals
SKU: VQ-000389

About Naphtholhydroxamic acid, 97%

Naphtholhydroxamic acid is an indicator in Synthesis grade carrying the CAS registry number 7797-81-1 with a typical assay of 97%. With the molecular formula C12H7NO3, it has a molar mass of 213.19 g/mol. Its systematic (IUPAC) name is 2-hydroxybenzo[de]isoquinoline-1,3-dione. Common synonyms include N-Hydroxynaphthalimide and N-Hydroxy-1,8-naphthalimide.

In its supplied form it is light orange to yellow to green powder or crystals. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span titration end-point detection, pH determination and analytical testing. Typical end-use sectors are academic and industrial research.

Vaqora Chemicals supplies Naphtholhydroxamic acid in 1 g, 5 g, 25 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Titration end-point detection
pH determination
Analytical testing

Industries

Specifications & identifiers

Chemical identifiers
Product name	Naphtholhydroxamic acid, 97%
Catalogue No.	VQ-000389
CAS Number	7797-81-1
IUPAC name	2-hydroxybenzo[de]isoquinoline-1,3-dione
Molecular formula	C₁₂H₇NO₃
Molecular weight	213.19 g/mol
Exact mass	213.0426
Grade	Synthesis
Purity / assay	97%
HSN code	29189900
InChIKey	KTWCUGUUDHJVIH-UHFFFAOYSA-N
SMILES	C1=CC2=C3C(=C1)C(=O)N(C(=O)C3=CC=C2)O
PubChem CID	82263

Physical properties
Physical form	Crystalline
Appearance	Light orange to yellow to green powder or crystals
LogP (XLogP3)	1.7
H-bond donors / acceptors	1 / 3
TPSA	57.6 Å²
Synonyms	N-Hydroxynaphthalimide, N-Hydroxy-1,8-naphthalimide, Naphthalhydroxamic acid, Naphthalimide, N-hydroxy-, 1H-Benz[de]isoquinoline-1,3(2H)-dione, 2-hydroxy-, 1H-Benz(de)isoquinoline-1,3(2H)-dione, 2-hydroxy-, N-(OH)NaPhI, 1,8 N-hydroxynaphthalimide, N-Hydroxy-1,8-naphthalenedicarboximide, 2-Hydroxy-1H-benzo[de]isoquinoline-1,3(2H)-dione, 2-Hydroxy-1H-benz(de)isoquinoline-1,3(2H)-dione, 1H-Benz[de]isoquinoline-1, 2-hydroxy-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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

Other grades of CAS 7797-81-1

n-Hydroxy napthalimide sodium salt

CAS: 7797-81-1
Formula: C₁₂H₇NO₃
MW: 213.19 g/mol

VQ-012521

Frequently asked questions

What is the CAS number of Naphtholhydroxamic acid, 97%?

The CAS Registry Number of Naphtholhydroxamic acid, 97% is 7797-81-1. It is also known as N-Hydroxynaphthalimide, N-Hydroxy-1,8-naphthalimide, Naphthalhydroxamic acid.

What is the molecular formula and molecular weight of Naphtholhydroxamic acid, 97%?

Naphtholhydroxamic acid, 97% has the molecular formula C12H7NO3 and a molecular weight of 213.19 g/mol. Its IUPAC name is 2-hydroxybenzo[de]isoquinoline-1,3-dione.

Which grade and pack sizes of Naphtholhydroxamic acid, 97% can I order?

We supply Naphtholhydroxamic acid, 97% in Synthesis (97%) grade, in 1 g, 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 Naphtholhydroxamic acid, 97%?

Yes. Every lot of Naphtholhydroxamic acid, 97% 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 Naphtholhydroxamic acid, 97% be shipped internationally?

Yes. Naphtholhydroxamic acid, 97% 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.