Molekula
MADB (N,N-Bis(4-sulfobutyl)-3,5-dimethylaniline disodium salt)
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
MADB (N,N-Bis(4-sulfobutyl)-3,5-dimethylaniline disodium salt) is a water-soluble sulfonated aniline derivative used in dye and specialty chemical applications. It is a disodium salt with a molecular weight of 437.48 g/mol, formulated as C16H25NNa2O6S2. CAS number: 209518-16-1. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies MADB 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.
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1 g — $221.80 per pack
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Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Water | ≤5.0% |
| Loss on Drying | ≤1.0% |
| Assay | ≥98.0% |
| Identification (RAMAN) | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 41041204 |
| CAS Number | 209518-16-1 |
| IUPAC Name | disodium;4-[3,5-dimethyl-N-(4-sulfonatobutyl)anilino]butane-1-sulfonate |
| Molecular Formula | C16H25NNa2O6S2 |
| Molecular Weight | 437.48 |
| Exact Mass | 437.0919 |
| SMILES | CC1=CC(=CC(=C1)N(CCCCS(=O)(=O)[O-])CCCCS(=O)(=O)[O-])C.[Na+].[Na+] |
| InChIKey | SXHBILQYQWZSIW-UHFFFAOYSA-L |
| InChI | InChI=1S/C16H27NO6S2.2Na/c1-14-11-15(2)13-16(12-14)17(7-3-5-9-24(18,19)20)8-4-6-10-25(21,22)23;;/h11-13H,3-10H2,1-2H3,(H,18,19,20)(H,21,22,23);;/q;2*+1/p-2 |
| PubChem CID | 53393134 |
| REACH Code | Y113 |
| HTS Code | 29214265 |
| Tariff Code | 2921420090 |
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
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 1-Butanesulfonic acid, 4,4'-[(3,5-dimethylphenyl)imino]bis-, sodium salt (1:2)
- C16H25NNa2O6S2
- DISODIUM 4-[(3,5-DIMETHYLPHENYL)(4-SULFONATOBUTYL)AMINO]BUTANE-1-SULFONATE
- disodium;4-[3,5-dimethyl-N-(4-sulfonatobutyl)anilino]butane-1-sulfonate
- MADB
- MADB Robiot
- N,N-Bis(4-sulfobutyl)-3,5-dimethylaniline disodium salt
- Sodium 4,4'-((3,5-dimethylphenyl)azanediyl)bis(butane-1-sulfonate)
Frequently asked questions
What is MADB (N,N-Bis(4-sulfobutyl)-3,5-dimethylaniline disodium salt) commonly used for?
MADB is a water-soluble Trinder-type chromogenic hydrogen donor. It is used with 4-aminoantipyrine and peroxidase in colorimetric hydrogen peroxide-based enzymatic assays for clinical diagnostics.
What is the chemical formula and molecular weight of MADB?
The formula is C₁₆H₂₅NNa₂O₆S₂, and the molecular weight is 437.48 g/mol (confirmed via CAS 209518-16-1).
How should MADB be stored to maintain stability?
Store MADB at 2–8°C in a cool, dry place, protected from light and moisture. Avoid freeze-thaw cycles.
What purity grades or forms of MADB does Molekula supply?
Molekula supplies technical-grade MADB (typically ≥95% purity) as a solid powder or solution, depending on formulation needs. Custom specifications may be available upon request.
Can Molekula supply MADB in bulk quantities for industrial applications?
Yes, Molekula offers bulk packaging options (e.g., 5 kg, 25 kg, or larger) for industrial clients, with lead times and pricing tailored to order volume.
What documentation is provided with a MADB order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation (e.g., purity, heavy metals testing). Additional analytical reports are available upon request.
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