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VAQORAEthyl violet
Synonyms: Basic violet 4 · Ethyl purple 6B · Violet acetate · Colour Index Number 42600
CAS No.2390-59-2
FormulaC31H42ClN3
Mol. weight492.10
Catalogue No.VQ-000570
PurityMicroscopy
HSN32041341
Ethyl violet (CAS 2390-59-2) – biological stain, Microscopy grade. C31H42ClN3, MW 492.1. Request a quote: COA, bulk packs and worldwide export.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Ethyl violet
Ethyl violet is a biological stain in Microscopy grade carrying the CAS registry number 2390-59-2. Its molecular formula is C31H42ClN3 and its molecular weight is 492.1 g/mol. Systematically, it is named [4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium chloride. Common synonyms include Basic violet 4 and Ethyl purple 6B.
It is supplied as a dark brown to olive green to dark green powder. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.
Key uses span histology and cytology staining, microscopy, clinical laboratories and analytical determinations. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.
Available in 5 g, 25 g, 100 g and 1 kg packs, Ethyl violet is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Analytical determinations
Industries
Specifications & identifiers
| Product name | Ethyl violet |
|---|---|
| Catalogue No. | VQ-000570 |
| CAS Number | 2390-59-2 |
| IUPAC name | [4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium chloride |
| Molecular formula | C31H42ClN3 |
| Molecular weight | 492.1 g/mol |
| Exact mass | 491.3067 |
| Grade | Microscopy |
| HSN code | 32041341 |
| InChIKey | JVICFMRAVNKDOE-UHFFFAOYSA-M |
| 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-] |
| PubChem CID | 16955 |
| Physical form | Powder |
|---|---|
| Appearance | Dark brown to olive green to dark green powder |
| H-bond donors / acceptors | 0 / 3 |
| TPSA | 9.5 Ų |
| Synonyms | Basic violet 4, Ethyl purple 6B, Violet acetate, Colour Index Number 42600, C.I. Basic Violet 4, Ethyl Violet AX, Ethyl Violet GGA, Lowacryl Violet 4, Ethyl crystal violet, Shikiso Acid Brilliant Blue 6B, Ethyl Violet (Biological Stain), (4-(bis(4-(diethylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)diethylammonium |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H302Harmful if swallowedH312Harmful in contact with skinH315Causes skin irritationH317May cause an allergic skin reactionH319Causes serious eye irritationH332Harmful if inhaledH335May cause respiratory irritationH372Causes damage to organs through prolonged or repeated exposureH400Very toxic to aquatic lifeH410Very toxic to aquatic life with long lasting effects
Precautionary statements: P260, P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Ethyl violet?
The CAS Registry Number of Ethyl violet is 2390-59-2. It is also known as Basic violet 4, Ethyl purple 6B, Violet acetate.
What is the molecular formula and molecular weight of Ethyl violet?
Ethyl violet has the molecular formula C31H42ClN3 and a molecular weight of 492.1 g/mol. Its IUPAC name is [4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium chloride.
Which grade and pack sizes of Ethyl violet can I order?
We supply Ethyl violet in Microscopy grade, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Ethyl violet?
Yes. Every lot of Ethyl violet is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Ethyl violet be shipped internationally?
Yes. Ethyl violet is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Ethyl violet
We reply within one business day with price, pack options, lead time and documentation.
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