Molekula
Dibenzothiophene
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
Dibenzothiophene is a polycyclic organic compound containing sulfur, primarily used as a reference standard in analytical chemistry, particularly for sulfur detection in fuels and petrochemicals. It also serves as a precursor in pharmaceutical synthesis and organic electronics research. It is also used as an intermediate in cosmetic and pharmaceutical manufacturing and is included as an ingredient in topical acne drug products. CAS 132-65-0, molecular formula C12H8S, molecular weight 184.26 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies Dibenzothiophene 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.
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 light yellow powder |
| Loss on Drying | ≤ 0.5% |
| Purity | ≥ 98% |
| HNMR | Conforms to Structure |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystals |
| Melting Point | 99.5 °C |
| Boiling Point | 332.5 °C |
| Water Solubility | 1.47 mg/L water at 25 °C |
| Solubility (other solvents) | Very soluble in ethanol and benzene. Soluble in chloroform, and methanol |
| Vapour Pressure | 2.05 × 10⁻⁴ mmHg at 25 °C (extrapolated) |
| log P (octanol/water) | 4.38 |
Source: PubChem CID 3023 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90034263 |
| CAS Number | 132-65-0 |
| IUPAC Name | dibenzothiophene |
| EC Number | 205-072-9 |
| Molecular Formula | C12H8S |
| Molecular Weight | 184.26 |
| Exact Mass | 184.0347 |
| SMILES | C1=CC=C2C(=C1)C3=CC=CC=C3S2 |
| InChIKey | IYYZUPMFVPLQIF-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H8S/c1-3-7-11-9(5-1)10-6-2-4-8-12(10)13-11/h1-8H |
| PubChem CID | 3023 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29349944 |
| Tariff Code | 2934999090 |
Safety & GHS
-
Health Hazard
GHS07
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- 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
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- 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
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish, Swedish.
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
- (1,1'-Biphenyl)-2,2'-diyl sulfide
- 2,2'-Biphenylylene sulfide
- 9-Thiafluorene
- alpha-Thiafluorene
- benzo[b]benzo[b]thiophene
- Dibenzo[b,d]thiophene
- Dibenzothiophene (USAN)
- Dibenzothiophene(DBT)
- Dibenzthiophene
- Diphenylene sulfide
Frequently asked questions
What is dibenzothiophene commonly used for?
Dibenzothiophene is primarily used as a reference compound in analytical chemistry (e.g., GC-MS calibration) and as a sulfur-containing model compound for studying combustion processes and desulfurization techniques.
What is the chemical formula and molecular weight of dibenzothiophene?
The chemical formula is **C₁₂H₈S**, and the molecular weight is **184.26 g/mol**.
How should dibenzothiophene be stored?
Store at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.
What purity grades of dibenzothiophene does Molekula supply?
Molekula supplies dibenzothiophene in **analytical standard grade (≥98% purity)**.
Can Molekula supply dibenzothiophene in bulk quantities?
Bulk quantities are available upon request—please contact our sales team for pricing and lead times.
What documentation is provided with an order of dibenzothiophene?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation.
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.