Molekula
Indigo synthetic (VAT Blue 1)
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
Indigo synthetic (VAT Blue 1) is a synthetic indigo dye used in textile coloring and industrial applications. It is a blue crystalline powder with a molecular formula of C16H10N2O2 and a molecular weight of 262.26 g/mol. CAS number: 482-89-3. Store at ambient temperatures. Signal word: Warning. Molekula supplies Indigo synthetic (VAT Blue 1) 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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25 g — $97.60 per pack
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 blue granules |
| Water | 8% max |
| Purity | 93% min |
| Iron (Fe) | <500ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 12501078 |
| CAS Number | 482-89-3 |
| IUPAC Name | 2-(3-hydroxy-1H-indol-2-yl)indol-3-one |
| EC Number | 207-586-9 |
| Molecular Formula | C16H10N2O2 |
| Molecular Weight | 262.26 |
| Exact Mass | 262.0742 |
| SMILES | C1=CC=C2C(=C1)C(=C(N2)C3=NC4=CC=CC=C4C3=O)O |
| InChIKey | QQILFGKZUJYXGS-UHFFFAOYSA-N |
| InChI | InChI=1S/C16H10N2O2/c19-15-9-5-1-3-7-11(9)17-13(15)14-16(20)10-6-2-4-8-12(10)18-14/h1-8,17,19H |
| PubChem CID | 10215 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 99020839 |
| Tariff Code | 3204150090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory 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
- P302+352 IF ON SKIN: Wash with soap and water
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, 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
- Cystoceva
- Diindogen
- INDIGO
- Indigo (synthetic)
- Indigo Blue
- Indigo Ciba
- Indigo Pure BASF
- Indigotin
- Vat blue 1
- Vulcafix Blue R
Frequently asked questions
What is Indigo synthetic (VAT Blue 1) used for?
It is primarily used as a vat dye in the textile industry for coloring cotton and other fibers blue.
What is the chemical formula and molecular weight of Indigo synthetic (VAT Blue 1)?
The formula is C16H10N2O2 with a molecular weight of 262.26 g/mol.
How should Indigo synthetic (VAT Blue 1) be stored?
It should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade of Indigo synthetic (VAT Blue 1) is available?
We supply Indigo synthetic (VAT Blue 1) in technical grade.
Can Molekula supply Indigo synthetic (VAT Blue 1) in bulk?
Yes, we can supply Indigo synthetic (VAT Blue 1) in bulk quantities—please contact us for pricing and availability.
What documentation comes with an order of Indigo synthetic (VAT Blue 1)?
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.