Molekula
Bathophenanthrolinedisulfonic acid, 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
Bathophenanthrolinedisulfonic acid, disodium salt is a chelating agent and analytical reagent widely used in photometric determination of iron (II) concentrations in water, soil, and biological samples. It forms stable complexes with metal ions, aiding in precise quantification. This compound has a CAS number of 52746-49-3, a molecular formula of C24H16N2Na2O7S2, and a molecular weight of 536.49 g/mol. It is stored at ambient conditions and carries a signal word of "Warning" for safety handling. Molekula supplies Bathophenanthrolinedisulfonic acid, disodium salt 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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100 mg — £30.90 per pack ex VAT · £37.08 inc. VAT
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1 g — £194.90 per pack ex VAT · £233.88 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Pale cream to pink powder |
| Chloride (Cl-) | <50ppm |
| Purity (dry basis) | >98% |
| Water (KF) | <4% |
| Suitable for Determination of Iron | Complies |
| Specific Extinction (1%/1cm H2O) | >710 |
| Absorption maxima | 276,0 - 284,0 nm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 38459057 |
| CAS Number | 52746-49-3 |
| Molecular Formula | C24H16N2Na2O7S2 |
| Molecular Weight | 536.49 |
| SMILES | [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C(C=C1)C1=CC=NC2=C1C=CC1=C2N=CC=C1C1=CC=C(C=C1)S([O-])(=O)=O |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.99.8290 |
| Tariff Code | 2933998090 |
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
- 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, Portuguese, 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
No alternate names recorded for this product.
Frequently asked questions
What is bathophenanthrolinedisulfonic acid, disodium salt commonly used for?
It is primarily used as a selective chelating agent for iron(II) (ferrous iron), with which it forms a red complex, in analytical chemistry, environmental testing, and as a reagent in photometric determinations. Iron(III) in a sample must first be reduced to iron(II) before measurement.
What is the chemical formula and molecular weight of bathophenanthrolinedisulfonic acid, disodium salt?
The chemical formula is **C₂₄H₁₆N₂Na₂O₇S₂**, and the molecular weight is **536.49 g/mol**.
How should bathophenanthrolinedisulfonic acid, disodium salt be stored?
Store at **ambient temperature** in a cool, dry place, away from direct sunlight and moisture.
What purity grades does Molekula offer for this product?
We supply this product in **analytical grade** purity, suitable for laboratory and research applications.
Can Molekula supply bathophenanthrolinedisulfonic acid, disodium salt in bulk quantities?
Yes, we can provide bulk quantities upon request—please contact our sales team for availability and pricing.
What documentation comes with an order of bathophenanthrolinedisulfonic acid, disodium salt?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.