Molekula
Fuchsin acid
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
Fuchsin acid is a synthetic organic compound used primarily as a dye and reagent in analytical chemistry and biological staining. It is a triphenylmethane derivative with applications in histology and pH indicators. Available in powder form, it has a molecular weight of 585.53 g/mol, a CAS number of 3244-88-0, and a molecular formula of C20H17N3Na2O9S3. Store at ambient temperature. Molekula supplies Fuchsin acid 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.
Often bought together
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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25 g — £62.10 per pack ex VAT · £74.52 inc. VAT
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | Blue/green/reddish brown powder |
| Water | 10.0%max |
| Solubility | Clear solution, no particles |
| Strength | 100% min |
| Water insoluble matter | 0.2% max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 16313560 |
| CAS Number | 3244-88-0 |
| IUPAC Name | disodium;(3E)-3-[(4-amino-3-sulfonatophenyl)-(4-amino-3-sulfophenyl)methylidene]-6-imino-5-methylcyclohexa-1,4-diene-1-sulfonate |
| Molecular Formula | C20H17N3Na2O9S3 |
| Molecular Weight | 585.53 |
| Exact Mass | 584.9922 |
| SMILES | CC1=C/C(=C(\C2=CC(=C(C=C2)N)S(=O)(=O)O)/C3=CC(=C(C=C3)N)S(=O)(=O)[O-])/C=C(C1=N)S(=O)(=O)[O-].[Na+].[Na+] |
| InChIKey | WZRZTHMJPHPAMU-UHFFFAOYSA-L |
| InChI | InChI=1S/C20H19N3O9S3.2Na/c1-10-6-13(9-18(20(10)23)35(30,31)32)19(11-2-4-14(21)16(7-11)33(24,25)26)12-3-5-15(22)17(8-12)34(27,28)29;;/h2-9,23H,21-22H2,1H3,(H,24,25,26)(H,27,28,29)(H,30,31,32);;/q;2*+1/p-2 |
| PubChem CID | 16219374 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- 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
- 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, 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
- Acid fuchsin
- ACID FUCHSIN SODIUM SALT
- Acid fuschin
- Acid Violet (Magenta)
- Acid violet 19
- Fuchsin S
Frequently asked questions
What is Fuchsin acid used for?
Fuchsin acid is a finished dye used directly as a histological stain, for example in Van Gieson and Masson trichrome staining, and as an indicator, for example in Andrade's indicator, as well as in analytical chemistry for staining applications.
What is the chemical formula and molecular weight of Fuchsin acid?
The formula is C20H17N3Na2O9S3 with a molecular weight of 585.53 g/mol.
How should Fuchsin acid be stored?
Fuchsin acid should be stored at ambient temperature, protected from light and moisture.
What grade of Fuchsin acid does Molekula supply?
Molekula supplies Fuchsin acid in technical grade, suitable for industrial and laboratory use.
Can Molekula supply Fuchsin acid in bulk?
Yes, Molekula can supply Fuchsin acid in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a Fuchsin acid order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
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.