Hydroxy napthol blue indicator, ACS

Name: Hydroxy napthol blue indicator, ACS
Brand: Vaqora Chemicals
SKU: VQ-020618

About Hydroxy napthol blue indicator, ACS

Vaqora Chemicals supplies Hydroxy napthol blue indicator in ACS grade, an indicator registered under CAS number 165660-27-5. Formula C20H12N2Na2O11S3, molecular weight 598.5 g/mol. Alternative names: Hydroxy naphthol blue disodium salt and Hydroxy naphthol blue disodium.

Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span titration end-point detection, pH determination and analytical testing. Our customers for this product work in academic and industrial research.

Vaqora Chemicals supplies Hydroxy napthol blue indicator in 5 g and 25 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Titration end-point detection
pH determination
Analytical testing

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Hydroxy napthol blue indicator, ACS
Catalogue No.	VQ-020618
CAS Number	165660-27-5
IUPAC name	disodium;3-hydroxy-4-[(2-hydroxy-4-sulfonatonaphthalen-1-yl)diazenyl]-7-sulfonaphthalene-2-sulfonate
Molecular formula	C₂₀H₁₂N₂Na₂O₁₁S₃
Molecular weight	598.5 g/mol
Exact mass	597.9399
Grade	ACS
HSN code	29270090
InChIKey	WPDDXLRAJOPBIR-UHFFFAOYSA-L
SMILES	C1=CC=C2C(=C1)C(=CC(=C2N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)O)O)S(=O)(=O)[O-].[Na+].[Na+]
PubChem CID	135889525

Physical properties
Physical form	Other
H-bond donors / acceptors	3 / 13
TPSA	259 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 165660-27-5

Practical

Hydroxy naphthol blue disodium salt, practical grade

CAS: 165660-27-5
Formula: C₂₀H₁₂N₂Na₂O₁₁S₃
MW: 598.5 g/mol

VQ-019692

Frequently asked questions

What is the CAS number of Hydroxy napthol blue indicator, ACS?

The CAS Registry Number of Hydroxy napthol blue indicator, ACS is 165660-27-5. It is also known as Hydroxy naphthol blue disodium salt, Hydroxy naphthol blue disodium.

What is the molecular formula and molecular weight of Hydroxy napthol blue indicator, ACS?

Hydroxy napthol blue indicator, ACS has the molecular formula C20H12N2Na2O11S3 and a molecular weight of 598.5 g/mol.

Which grade and pack sizes of Hydroxy napthol blue indicator, ACS can I order?

We supply Hydroxy napthol blue indicator, ACS in ACS grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hydroxy napthol blue indicator, ACS?

Yes. Every lot of Hydroxy napthol blue indicator, ACS 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 Hydroxy napthol blue indicator, ACS be shipped internationally?

Yes. Hydroxy napthol blue indicator, ACS 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.