Molekula
Azomethine-H monosodium salt hydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Azomethine-H monosodium salt hydrate is an analytical reagent, a Schiff-base condensation product of H-acid with salicylaldehyde, used primarily for the colorimetric (spectrophotometric) determination of boron (borate), for example in soil, water and plant analysis. Its analytical use relies on forming a complex with boric acid, and it is also used for the fluorimetric determination of boron. This chemical has a CAS number of 206752-32-1, with the molecular formula C17H12NNaO8S2·H2O and a molecular weight of 463.419 g/mol. It should be stored at ambient conditions and handled with caution, as indicated by its "Warning" signal word. Molekula supplies Azomethine-H monosodium salt hydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £85.00 per pack ex VAT · £102.00 inc. VAT
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25 g — £221.00 per pack ex VAT · £265.20 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Yellow to orange powder |
| Assay | ≥95.0% |
| Water (KF) | ≤8.0% |
| Identification (IR) | Passes test |
| Spec. absorptivity A 1% 1cm (236nm; 0.004% 1cm) | ≥1200.0 |
| Suitability (for photometric determination of boron) | Conforms. |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90032280 |
| CAS Number | 206752-32-1 |
| IUPAC Name | sodium;5-hydroxy-4-[(2-hydroxyphenyl)methylideneamino]-7-sulfonaphthalene-2-sulfonate;hydrate |
| EC Number | 227-698-1 |
| Molecular Formula | C17H12NNaO8S2.H2O |
| Molecular Weight | 463.419 |
| Exact Mass | 463.0008 |
| SMILES | C1=CC=C(C(=C1)C=NC2=C3C(=CC(=C2)S(=O)(=O)[O-])C=C(C=C3O)S(=O)(=O)O)O.O.[Na+] |
| InChIKey | AAIGDXDVSZJVSW-UHFFFAOYSA-M |
| InChI | InChI=1S/C17H13NO8S2.Na.H2O/c19-15-4-2-1-3-10(15)9-18-14-7-12(27(21,22)23)5-11-6-13(28(24,25)26)8-16(20)17(11)14;;/h1-9,19-20H,(H,21,22,23)(H,24,25,26);;1H2/q;+1;/p-1 |
| PubChem CID | 3083920 |
| REACH Code | Y110 |
| HTS Code | 2925296000 |
| Tariff Code | 2925290090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- AZOMETHIN-H MONOSODIUM SALT HYDRATE
- Azomethine H
- Azomethine-H hydrate monosodium salt
- Azomethine-H monosodium hydrate
- Azomethine-H monosodium salt hydrate p.a.
- Azomethine-H sodium
- Azomethine-H sodium hydrate
- AzomethineH, monosodium salt
- Sodium hydrogen 4-hydroxy-5-(salicylideneamino)naphthalene-2,7-disulphonate
Frequently asked questions
What is Azomethine-H monosodium salt hydrate commonly used for?
Azomethine-H monosodium salt hydrate is primarily used as a reagent for the colorimetric (spectrophotometric) determination of boron (borate), for example in soil, water and plant analysis, based on its complex formation with boric acid. It is also used for the fluorimetric determination of boron.
What is the chemical formula and molecular weight of Azomethine-H monosodium salt hydrate?
The chemical formula is C₁₇H₁₂NNaO₈S₂·H₂O, and the molecular weight is 463.419 g/mol.
How should Azomethine-H monosodium salt hydrate be stored?
Store at ambient temperature in a dry, well-ventilated area, away from direct sunlight and incompatible substances.
What grade or purity level is available for this product?
Molekula supplies this product in analytical/biochemical grade with high purity, suitable for research and diagnostic applications.
Can Molekula supply Azomethine-H monosodium salt hydrate in bulk quantities?
Yes, we can provide bulk quantities upon request, subject to availability and minimum order quantities.
What documentation comes with an order of Azomethine-H monosodium salt hydrate?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
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