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Calmagite - indicator , CAS No.3147-14-6

CAS: 3147-14-6 Cat. No.: C106349 Molecular Weight: 358.37 EC Number: 221-563-0
COA
Calmagite - indicator CAS No(3147-14-6) by Aladdin Scientific
AVAILABLE TO ORDER
GRADE & PURITY Indicator ? Indicator grade — characterized dye giving a defined color change at a known transition. Use to signal pH or titration endpoints visually.
Synonyms
3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid | CALMAGITE [MI] | 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)azo]- | 3-Hydroxy-4-((6-hydroxy-m-tolyl)azo)-1-naphthalenesulfonic acid | 1-Naphthalenesulfon
Storage
Room temperature
Shipped In
Normal
★
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
C106349-1g
3
$13.90
5g
C106349-5g
4
$42.90
25g
C106349-25g
3

$105.90

$147.90
Save $42.00 (28.40%)
100g
C106349-100g
2

$285.90

$459.90
Save $174.00 (37.83%)
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SDS
Safety data
COA
Certificate
DS
Datasheet
SP
Spec sheet
Overview Specifications Names and Identifiers Documentation Advanced Data Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Documents & Articles Solution Calculators Reviews
🧪

Why this grade

indicator Indicator for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Metal indicator for Ca, Mg etc.; Used as an indicator in the titration of calcium or magnesium with EDTA; Used for the determination of magnesium in biological materials.

Specifications

Synonyms
3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid | CALMAGITE [MI] | 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)azo]- | 3-Hydroxy-4-((6-hydroxy-m-tolyl)azo)-1-naphthalenesulfonic acid | 1-Naphthalenesulfon
Specifications & Purity
indicator
Storage
Room temperature
Shipped In
Normal
Grade
Indicator
Names and Identifiers
Pubchem Sid504750576
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504750576
Canonical SmilesCC1=CC(=C(C=C1)O)N=NC2=C(C=C(C3=CC=CC=C32)S(=O)(=O)O)O
IUPAC Name3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid
InChIKeyVBRNLOQCBCPPHL-UHFFFAOYSA-N
INCHI1S/C17H14N2O5S/c1-10-6-7-14(20)13(8-10)18-19-17-12-5-3-2-4-11(12)16(9-15(17)21)25(22,23)24/h2-9,20-21H,1H3,(H,22,23,24)
Isomeric SMILES CC1=CC(=C(C=C1)O)N=NC2=C(C=C(C3=CC=CC=C32)S(=O)(=O)O)O
Molecular Weight 358.37
Reaxy-Rn 708596
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=708596&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

16 results found

Lot NumberCertificate TypeDateItem
F2208229Certificate of AnalysisMar 11, 2026 C106349
F2208231Certificate of AnalysisMar 11, 2026 C106349
A2628337Certificate of AnalysisJan 16, 2026 C106349
A2628339Certificate of AnalysisJan 16, 2026 C106349
A2628340Certificate of AnalysisJan 16, 2026 C106349
K2125949Certificate of AnalysisSep 08, 2025 C106349
H2520228Certificate of AnalysisJul 23, 2025 C106349
H2520229Certificate of AnalysisJul 23, 2025 C106349
H2520251Certificate of AnalysisJul 23, 2025 C106349
H2109221Certificate of AnalysisMay 12, 2025 C106349
B2327549Certificate of AnalysisOct 28, 2022 C106349
B2327550Certificate of AnalysisOct 28, 2022 C106349
B2327873Certificate of AnalysisOct 28, 2022 C106349
B2327874Certificate of AnalysisOct 28, 2022 C106349
F2208230Certificate of AnalysisMay 25, 2022 C106349
F2208232Certificate of AnalysisMay 25, 2022 C106349

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Chemical and Physical Properties
SolubilitySoluble in water,acetone, ethanol.
Melt Point(°C)330 °C
Molecular Weight358.400 g/mol
XLogP33.400
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count7
Rotatable Bond Count3
Exact Mass358.062 Da
Monoisotopic Mass358.062 Da
Topological Polar Surface Area128.000 Ų
Heavy Atom Count25
Formal Charge0
Complexity590.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Indicator (IND) Grade Demystified
Categories: Specifications, Grading and Purity
Tags:
Indicator Grade IND
Structural Characteristics, Color-Change Mechanisms, and Application Selection of Azo Dye-Type Indicators
Categories: Technical articles
Tags:
Methyl Red Congo Red dye-type indicator azo dye methyl orange Orange G Eriochrome Black T PAN PAR calmagite complexometric titration metal color reagent tissue staining
Solution Calculators
Reviews

Customer Reviews

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