Molekula
Carbol Fuchsin
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
Carbol Fuchsin is a basic dye used in histology and microbiology for staining acid-fast bacteria and other cellular structures. It is a solution of fuchsin in phenol and alcohol. Available in 100g and 1kg packages, with CAS number 4197-24-4, molecular formula C21H22ClN3, and molecular weight 351.9. Store at ambient temperature. Signal word: Danger. Molekula supplies Carbol Fuchsin 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 — £29.50 per pack ex VAT · £35.40 inc. VAT
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25 g — £95.00 per pack ex VAT · £114.00 inc. VAT
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50 g — £140.00 per pack ex VAT · £168.00 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 | Green powder |
| Identification | Conforms to reference |
| Loss on Drying | <5.20% |
| Solubility | 0.1% (50% Etoh): Clear red solution |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 (6.1) |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 18400035 |
| CAS Number | 4197-24-4 |
| IUPAC Name | 4-[(E)-(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydrochloride |
| Molecular Formula | C21H22ClN3 |
| Molecular Weight | 351.9 |
| Exact Mass | 351.1502 |
| SMILES | CC1=C/C(=C(\C2=CC=C(C=C2)N)/C3=CC(=C(C=C3)N)C)/C=CC1=N.Cl |
| InChIKey | HZLHRDBTVSZCBS-UVJJDBRNSA-N |
| InChI | InChI=1S/C21H21N3.ClH/c1-13-11-16(5-9-19(13)23)21(15-3-7-18(22)8-4-15)17-6-10-20(24)14(2)12-17;/h3-12,23H,22,24H2,1-2H3;1H/b21-16+,23-19?; |
| PubChem CID | 5748567 |
| UN Number | UN2923 |
| REACH Code | Y110 |
| HTS Code | 29212900 |
| Tariff Code | 2921290090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H332 Harmful if inhaled
- H341 Suspected of causing genetic defects
- H351 Suspected of causing cancer
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P201 Obtain special instructions before use
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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, 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
- 4-[bis(4-amino-3-methylphenyl)methylidene]cyclohexa-2,5-dien-1-iminium chloride
- Dimethyl fuchsin
- HZLHRDBTVSZCBS-UVJJDBRNSA-N
Frequently asked questions
What is Carbol Fuchsin used for?
Carbol Fuchsin is primarily used as a histological stain in microbiology and pathology, especially for acid-fast bacteria like Mycobacterium species.
What is the chemical formula and molecular weight of Carbol Fuchsin?
The chemical formula is C21H22ClN3 and the molecular weight is 351.9 g/mol.
How should Carbol Fuchsin be stored?
Carbol Fuchsin should be stored at ambient temperature, away from direct light and moisture.
What grade of Carbol Fuchsin does Molekula supply?
Molekula supplies Carbol Fuchsin in analytical grade, suitable for laboratory and histological applications.
Can Molekula supply Carbol Fuchsin in bulk?
Yes, Molekula can supply Carbol Fuchsin in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Carbol Fuchsin order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.