Molekula
Phthalonitrile
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
Phthalonitrile is an aromatic organic compound with two nitrile groups, primarily used as a precursor in the synthesis of phthalocyanine pigments, flame retardants, and high-performance polymers. It appears as a white crystalline solid with a faint almond-like odor. This chemical has a CAS number of 91-15-6, a molecular formula of C6H4(CN)2, and a molecular weight of 128.13 g/mol. It is stored at ambient conditions but requires careful handling due to its hazardous nature, marked by the signal word "Danger." Molekula supplies Phthalonitrile 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 | White to beige to grey-green powder or crystals |
| Purity | ≥ 95 |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Buff-colored crystals |
| Odour | Slightly aromatic |
| Melting Point | 141 °C |
| Boiling Point | 304.5 °C |
| Density | 1.238 g/cm³ |
| Water Solubility | 395 mg/L at 25 °C |
| Solubility (other solvents) | Soluble in alcohol and ether |
| Vapour Pressure | 4 Pa at 20 °C |
| log P (octanol/water) | 0.99 |
Source: PubChem CID 7042 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90031970 |
| CAS Number | 91-15-6 |
| IUPAC Name | benzene-1,2-dicarbonitrile |
| EC Number | 202-044-8 |
| Molecular Formula | C6H4(CN)2 |
| Molecular Weight | 128.13 |
| Exact Mass | 128.0374 |
| SMILES | C1=CC=C(C(=C1)C#N)C#N |
| InChIKey | XQZYPMVTSDWCCE-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H4N2/c9-5-7-3-1-2-4-8(7)6-10/h1-4H |
| PubChem CID | 7042 |
| UN Number | UN3439 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29269048 |
| Tariff Code | 2926907090 |
Safety & GHS
-
Toxic
GHS06
Hazard statements
- H301 + H311 + H331 Toxic if swallowed, in contact with skin or if inhaled
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 1,2-Dicyanobenzene
- benzene-1,2-dicarbonitrile
- o-Benzenedicarbonitrile
- o-Benzenedinitrile
- o-Cyanobenzonitrile
- o-Dicyanobenzene
- o-Pdn
- o-Phthalodinitrile
- Phthalic acid dinitrile
- USAF ND-09
Frequently asked questions
What is phthalonitrile primarily used for?
Phthalonitrile is commonly used as a precursor in the synthesis of phthalocyanine pigments, flame retardants, and high-performance polymers like polyimides.
What is the chemical formula and molecular weight of phthalonitrile?
The chemical formula is **C₆H₄(CN)₂**, and the molecular weight is **128.13 g/mol**.
How should phthalonitrile be stored?
Store phthalonitrile in a tightly sealed container at **ambient temperature**, away from moisture and direct sunlight.
What purity grades of phthalonitrile does Molekula supply?
Molekula supplies phthalonitrile in **technical grade (98%+ purity)**; higher purity grades may be available upon request.
Can Molekula supply phthalonitrile in bulk quantities?
Yes, Molekula can supply phthalonitrile in bulk, with quantities tailored to your production needs—contact us for specifics.
What documentation comes with a phthalonitrile order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.