Molekula
Ethyl Violet (C.I. 42600)
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
Ethyl Violet (C.I. 42600) is a synthetic organic dye used in analytical chemistry and as a pH indicator in titrations. It also serves as a histological stain, notably in iron resorcin fuchsin-type blends for visualizing elastic fibres, and as a fluorochrome and cosmetic colorant (Basic Violet 4). It appears as a dark green crystalline powder with a characteristic violet color. CAS: 2390-59-2, Molecular Formula: C31H42ClN3, Molecular Weight: 492.14 g/mol. Store at ambient temperature. Hazard classification: Danger. Molekula supplies Ethyl Violet (C.I. 42600) 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 g — £77.70 per pack ex VAT · £93.24 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 | Dark green crystals |
| Moisture | ≤10% |
| Absorption Ratio | 0.90 - 1.30 |
| Solubility in water | Soluble |
| Wavelength of maximum absorption (in 50:50 IMS:Water) | 590 - 600nm |
| Specific absorption (E 1% in 10 mm cell) at λ max. | ≤2000 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 12697844 |
| CAS Number | 2390-59-2 |
| IUPAC Name | [4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium chloride |
| EC Number | 219-231-5 |
| Molecular Formula | C31H42ClN3 |
| Molecular Weight | 492.14 |
| Exact Mass | 491.3067 |
| SMILES | CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=C(C=C3)N(CC)CC.[Cl-] |
| InChIKey | JVICFMRAVNKDOE-UHFFFAOYSA-M |
| InChI | InChI=1S/C31H42N3.ClH/c1-7-32(8-2)28-19-13-25(14-20-28)31(26-15-21-29(22-16-26)33(9-3)10-4)27-17-23-30(24-18-27)34(11-5)12-6;/h13-24H,7-12H2,1-6H3;1H/q+1;/p-1 |
| PubChem CID | 16955 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H318 Causes serious eye damage
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- 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, 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
- Basic Violet 4
- C.I. 42600
- C.I. Basic Violet 4
- Ethyl crystal violet
- Ethyl violet
- Ethyl Violet (Biological Stain)
- Ethyl Violet AX
- Ethyl Violet GGA
- Lowacryl Violet 4
- Shikiso Acid Brilliant Blue 6B
Frequently asked questions
What is Ethyl Violet (C.I. 42600) used for?
It is primarily used as a dye in textiles, plastics, and in laboratory staining applications.
What is the chemical formula and molecular weight of Ethyl Violet?
The formula is C31H42ClN3 with a molecular weight of 492.14 g/mol.
How should Ethyl Violet be stored?
Store at ambient temperature, away from light and moisture, and keep in a tightly closed container.
What grade of Ethyl Violet is available?
Available in technical grade; custom grades may be available upon request.
Can Molekula supply Ethyl Violet in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with an order of Ethyl Violet?
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.