Calmagite, AR, for spectroscopy 60.0%

Name: Calmagite, AR, for spectroscopy 60.0%
Brand: Vaqora Chemicals
SKU: VQ-046153

About Calmagite, AR, for spectroscopy 60.0%

Listed under CAS 3147-14-6, Calmagite is an indicator available from Vaqora Chemicals in AR / Spectroscopy grade with a typical assay of 60.0%. Its molecular formula is C17H14N2O5S and its molecular weight is 358.4 g/mol. Systematically, it is named 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid.

Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for titration end-point detection, pH determination, analytical testing and biological staining. Buyers come mainly from academic and industrial research.

Standard pack sizes are 1 g, 5 g and 250 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Biological staining

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Calmagite, AR, for spectroscopy 60.0%
Catalogue No.	VQ-046153
CAS Number	3147-14-6
IUPAC name	3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid
Molecular formula	C₁₇H₁₄N₂O₅S
Molecular weight	358.4 g/mol
Exact mass	358.0623
Grade	AR / Spectroscopy
Purity / assay	60.0%
HSN code	29270090
InChIKey	VBRNLOQCBCPPHL-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1)O)N=NC2=C(C=C(C3=CC=CC=C32)S(=O)(=O)O)O
PubChem CID	2530

Physical properties
Physical form	Other
LogP (XLogP3)	3.4
H-bond donors / acceptors	3 / 7
TPSA	128 Å²
Synonyms	3-Hydroxy-4-(6-hydroxy-m-tolylazo)naphthalene-1-sulphonic acid, 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)azo]-, (4Z)-4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid, 1-Naphthalenesulfonic acid,3-hydroxy-4-[(2-hydroxy-5-methylphenyl)azo]-, 3-Hydroxy-4-((6-hydroxy-m-tolyl)azo)-1-naphthalenesulfonic acid, 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(6-hydroxy-m-tolyl)azo]-, 1-Naphthalenesulfonic acid, 3-hydroxy-4-((2-hydroxy-5-methylphenyl)azo)-, 1-Naphthalenesulfonic acid, 3-hydroxy-4-((6-hydroxy-m-tolyl)azo)-, 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalenesulfonic acid, 3-Hydroxy-4-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1-sulfonic acid, 1-Naphthalenesulfonic acid, 3-hydroxy-4-(2-hydroxy-5-methylphenylazo)-

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 3147-14-6

Calmagite 0.1% w/v aqueous indicator solution (for water hardness)

CAS: 3147-14-6
Formula: C₁₇H₁₄N₂O₅S
MW: 358.4 g/mol

VQ-045776

AR

Calmagite, GR

CAS: 3147-14-6
Formula: C₁₇H₁₄N₂O₅S
MW: 358.4 g/mol

VQ-000328

Frequently asked questions

What is the CAS number of Calmagite, AR, for spectroscopy 60.0%?

The CAS Registry Number of Calmagite, AR, for spectroscopy 60.0% is 3147-14-6. It is also known as 3-Hydroxy-4-(6-hydroxy-m-tolylazo)naphthalene-1-sulphonic acid, 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)azo]-.

What is the molecular formula and molecular weight of Calmagite, AR, for spectroscopy 60.0%?

Calmagite, AR, for spectroscopy 60.0% has the molecular formula C17H14N2O5S and a molecular weight of 358.4 g/mol. Its IUPAC name is 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid.

Which grade and pack sizes of Calmagite, AR, for spectroscopy 60.0% can I order?

We supply Calmagite, AR, for spectroscopy 60.0% in AR / Spectroscopy (60.0%) grade, in 1 g, 5 g, 250 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Calmagite, AR, for spectroscopy 60.0%?

Yes. Every lot of Calmagite, AR, for spectroscopy 60.0% 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 Calmagite, AR, for spectroscopy 60.0% be shipped internationally?

Yes. Calmagite, AR, for spectroscopy 60.0% 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.