Calmagite 0.1% w/v aqueous indicator solution (for water hardness)
- CAS
- 3147-14-6
- Formula
- C17H14N2O5S
- MW
- 358.4 g/mol
ZX-037255
Indicators, Chelating Agents & Test Papers
Calmagite, GR
ARAvailable on request
Buy Calmagite, GR (CAS 3147-14-6) from Zemixal: C17H14N2O5S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-000328.
CAS number3147-14-6
FormulaC17H14N2O5S
Molar mass358.4 g/mol
Physical formPowder
HS code29270090
InChIKeyVBRNLOQCBCPPHL-UHFFFAOYSA-N
IUPAC name3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid
About Calmagite, GR
Calmagite, GR sits in our indicators, Chelating Agents & Test Papers section and ships worldwide from stock or short lead time. Identity at a glance (AR): CAS 3147-14-6, formula C17H14N2O5S and molar mass 358.4 g/mol. Typical appearance is dark brown to very dark brown and black powder or powder with chunks.
Use cases we see most often
- Titration end-point detection
- pH determination
- Analytical testing
- Indicator for titrations
Storage and safety notes
Literature values: melting point 330 °C. It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.
Order it in 1 g, 5 g, 25 g, 250 g and 5 x 1 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Titration end-point detection
- pH determination
- Analytical testing
- Indicator for titrations
Applications
Grade guides
Specifications and identifiers
| Product name | Calmagite, GR |
|---|---|
| Catalogue number | ZX-000328 |
| CAS number | 3147-14-6 |
| IUPAC name | 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid |
| Molecular formula | C17H14N2O5S |
| Molar mass | 358.4 g/mol |
| Exact mass | 358.0623 |
| Grade | AR |
| Physical form | Powder |
| Appearance | Dark brown to very dark brown and black powder or powder with chunks |
| Melting point | 330 °C |
| XLogP3 | 3.4 |
| H-bond donors / acceptors | 3 / 7 |
| Topological polar surface area | 128 Ų |
| HS 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 |
| Synonyms | 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)naphthalene-1-sulfonic acid, 3-Hydroxy-4-(6-hydroxy-m-tolylazo)naphthalene-1-sulphonic acid, Calmagite, Indicator Grade, 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 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 1 g | Quoted on request | |
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 250 g | Quoted on request | |
| 5 x 1 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Calmagite, GR
Which CAS number identifies Calmagite, GR?
Calmagite, GR is registered under CAS 3147-14-6. You may also see it listed as 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)naphthalene-1-sulfonic acid, 3-Hydroxy-4-(6-hydroxy-m-tolylazo)naphthalene-1-sulphonic acid. Our catalogue number for this item is ZX-000328.
What are the formula and molar mass of Calmagite, GR?
For Calmagite, GR, its formula is C17H14N2O5S and its molar mass is 358.4 g/mol. The systematic (IUPAC) name is 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid. InChIKey VBRNLOQCBCPPHL-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Calmagite, GR?
This listing is AR grade. Standard packs are 1 g, 5 g, 25 g, 250 g, 5 x 1 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Calmagite, GR?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Calmagite, GR to my country?
Yes. Because Calmagite, GR is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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