Molekula
Carbazole
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
Carbazole is a heterocyclic organic compound used in organic electronics, dyes, and pharmaceuticals. It is also a key intermediate for Pigment Violet 23, Vat Blue 43, the monomer N-vinylcarbazole and rubber antioxidants, and serves as a laboratory reagent for formaldehyde and carbohydrates. It serves as a building block in the synthesis of advanced materials. Available in powder form with a purity of ≥98%, it has a CAS number of 86-74-8, molecular formula C12H9N, and molecular weight of 167.21 g/mol. Stored at ambient temperature, it carries a warning signal word due to potential health hazards. Molekula supplies Carbazole 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 — £61.80 per pack ex VAT · £74.16 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 | White to brown crystalline powder |
| Purity | ≥ 98% |
| Residue on Ignition | ≤ 1.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 220 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystals |
| Odour | Characteristic odor |
| Melting Point | 245 °C |
| Boiling Point | 354.6 °C |
| Water Solubility | 1.8 mg/L at 25 °C |
| Solubility (other solvents) | Slightly soluble in pyrimidine, carbon disulfide; soluble in hot chloroform, toluene |
| Vapour Pressure | 1.5 × 10⁻⁶ mmHg at 25 °C (extrapolated) |
| pKa | pKa = -6 |
| log P (octanol/water) | 3.72 |
Source: PubChem CID 6854 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 86934261 |
| CAS Number | 86-74-8 |
| IUPAC Name | 9H-carbazole |
| EC Number | 201-696-0 |
| Molecular Formula | C12H9N |
| Molecular Weight | 167.21 |
| Exact Mass | 167.0735 |
| SMILES | C1=CC=C2C(=C1)C3=CC=CC=C3N2 |
| InChIKey | UJOBWOGCFQCDNV-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H9N/c1-3-7-11-9(5-1)10-6-2-4-8-12(10)13-11/h1-8,13H |
| PubChem CID | 6854 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933998290 |
| Tariff Code | 2933998090 |
Safety & GHS
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H341 Suspected of causing genetic defects
- H351 Suspected of causing cancer
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- 9-Azafluorene
- 9H-Carbazole
- Dibenzo[b,d]pyrrole
- Dibenzopyrrole
- Diphenyleneimine
- Diphenylenimide
- Diphenylenimine
- SKF 20091
- USAF EK-600
Frequently asked questions
What is carbazole used for?
Carbazole is used as an intermediate in the synthesis of dyes, pharmaceuticals, and organic semiconductors.
What is the chemical formula and molecular weight of carbazole?
The formula is C12H9N with a molecular weight of 167.21 g/mol.
How should carbazole be stored?
Carbazole should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of carbazole does Molekula supply?
Molekula supplies carbazole in technical grade; custom grades available upon request.
Can Molekula supply carbazole in bulk?
Yes, Molekula can supply carbazole in bulk quantities; please contact sales for pricing and availability.
What documentation comes with a carbazole order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation available 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.