Molekula
Erioglaucine (C.I. 42090)
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
Erioglaucine (C.I. 42090) is a synthetic blue food dye used in pharmaceuticals, cosmetics, and food products for coloring. It is a sodium salt of a triphenylmethane dye with the molecular formula C37H34Na2N2O9S3 and a molecular weight of 792.85 g/mol. Beyond food, drug and cosmetic coloring, it serves as a biological stain, an acid dye for wool, silk and nylon, and a colorant for leather and paper coatings. CAS number: 3844-45-9. Store at ambient temperature. Signal word: Warning. Molekula supplies Erioglaucine (C.I. 42090) 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Reddish blue powder |
| Loss on Drying | 0 - 15% |
| Assay | 85 - 100% |
| Water insoluble matter | 0 - 0.2% |
| Subsidiary Dyes | 0 - 6% |
| Cadmium (Cd) | 0 - 1mg/kg |
| Lead (Pb) | 0 - 2mg/kg |
| Mercury (Hg) | 0 - 0.1mg/kg |
| Arsenic (As) | 0 - 3mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Reddish-violet powder or granules with a metallic luster |
| Melting Point | 283 °C (decomposes) |
| Solubility (other solvents) | Soluble in ether |
| log P (octanol/water) | -4.94 |
Source: PubChem CID 19700 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 24017740 |
| CAS Number | 3844-45-9 |
| IUPAC Name | disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate |
| EC Number | 223-339-8 |
| Molecular Formula | C37H34Na2N2O9S3 |
| Molecular Weight | 792.85 |
| Exact Mass | 792.1222 |
| SMILES | CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=CC=C5S(=O)(=O)[O-].[Na+].[Na+] |
| InChIKey | SGHZXLIDFTYFHQ-UHFFFAOYSA-L |
| InChI | InChI=1S/C37H36N2O9S3.2Na/c1-3-38(25-27-9-7-11-33(23-27)49(40,41)42)31-19-15-29(16-20-31)37(35-13-5-6-14-36(35)51(46,47)48)30-17-21-32(22-18-30)39(4-2)26-28-10-8-12-34(24-28)50(43,44)45;;/h5-24H,3-4,25-26H2,1-2H3,(H2-,40,41,42,43,44,45,46,47,48);;/q;2*+1/p-2 |
| PubChem CID | 19700 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3204120090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- P308+313 IF exposed or concerned: Get medical advice/attention
- P309+311 IF exposed or you feel unwell: Call a POISON CENTER or doctor/physician
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 Erioglaucine (C.I. 42090) used for?
Erioglaucine is a synthetic blue food dye used in beverages, confectionery, and pharmaceuticals to provide a vibrant blue color.
What is the chemical formula and molecular weight of Erioglaucine?
The formula is C37H34Na2N2O9S3 with a molecular weight of 792.85 g/mol.
How should Erioglaucine be stored?
Store at ambient temperature, protected from moisture and direct sunlight.
What grade of Erioglaucine does Molekula supply?
Molekula supplies Erioglaucine in food-grade quality, suitable for use in regulated applications.
Can Molekula supply Erioglaucine in bulk?
Yes, Molekula can supply Erioglaucine in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of Erioglaucine?
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.