Phthalonitrile
- Product Name
- Phthalonitrile
- CAS No.
- 91-15-6
- Chemical Name
- Phthalonitrile
- Synonyms
- 1,2-DICYANOBENZENE;Phthalodinitril;PHTHALODINITRILE;O-PHTHALONITRILE;O-PHTHALODINITRILE;1,2-BENZENEDICARBONITRILE;o-PDN;o-pdn[qr];usafnd-09;USAF nd-09
- CBNumber
- CB2773751
- Molecular Formula
- C8H4N2
- Formula Weight
- 128.13
- MOL File
- 91-15-6.mol
Phthalonitrile Property
- Melting point:
- 137-139 °C (lit.)
- Boiling point:
- 227.54°C (rough estimate)
- Density
- 1.24
- vapor pressure
- <1 Pa (25 °C)
- refractive index
- 1.6231 (estimate)
- Flash point:
- 162°C
- storage temp.
- Store below +30°C.
- solubility
- benzene: 50 mg/mL, clear
- form
- Crystals or Crystalline Powder
- color
- White to beige
- PH
- 7 (H2O)
- Water Solubility
- 0.56 g/L (25 ºC)
- BRN
- 775028
- Exposure limits
- ACGIH: TWA 1 mg/m3
- Stability:
- Stable. Incompatible with strong bases, strong acids, strong oxidizing agents, strong reducing agents.
- CAS DataBase Reference
- 91-15-6(CAS DataBase Reference)
- NIST Chemistry Reference
- Phthalonitrile(91-15-6)
- EPA Substance Registry System
- 1,2-Benzenedicarbonitrile (91-15-6)
Safety
- Hazard Codes
- T
- Risk Statements
- 25-23/24/25
- Safety Statements
- 36/37/39-45-28A
- RIDADR
- UN 3439 6.1/PG 2
- WGK Germany
- 1
- RTECS
- TI8575000
- Autoignition Temperature
- >580 °C
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- II
- HS Code
- 29269095
- Hazardous Substances Data
- 91-15-6(Hazardous Substances Data)
- Toxicity
- LD50 orally in Rabbit: 85 mg/kg
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H301Toxic if swalloed
H412Harmful to aquatic life with long lasting effects
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P273Avoid release to the environment.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P405Store locked up.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 8.00593
- Product name
- Phthalonitrile
- Purity
- for synthesis
- Packaging
- 100G
- Price
- $37.5
- Updated
- 2024/03/01
- Product number
- 8.00593
- Product name
- Phthalonitrile
- Purity
- for synthesis
- Packaging
- 500G
- Price
- $70.6
- Updated
- 2024/03/01
- Product number
- 171719
- Product name
- 1,2-Dicyanobenzene
- Purity
- 98%
- Packaging
- 100g
- Price
- $45.8
- Updated
- 2024/03/01
- Product number
- 171719
- Product name
- 1,2-Dicyanobenzene
- Purity
- 98%
- Packaging
- 500g
- Price
- $119
- Updated
- 2024/03/01
- Product number
- P0404
- Product name
- Phthalonitrile
- Purity
- >99.0%(GC)
- Packaging
- 25g
- Price
- $16
- Updated
- 2024/03/01
Phthalonitrile Chemical Properties,Usage,Production
Chemical Properties
Phthalonitrile is a crystalline powder having a faint grayish yellow color and a slighty aromatic odor, similar to benzonitrile. Phthalonitrile was first described in 1896 when it was isolated during the diazotization of 2-aminobenzonitrile. The compound is sparingly soluble in water (ca. 1 g/L) and soluble in acetone, nitrobenzene, and benzonitrile. It cannot be distilled and polymerizes if heated above the melting point. It is not explosive and is difficult to ignite, but the dust can explode.
Uses
Phthalodinitrile monomers can be polymerized thermally in the presence of small amounts of curing agents into thermosetting polymers. Phthalodinitrile is a precursor to phthalocyanine which is used as a dye or pigment.
Uses
Phthalonitrile is used as an intermediate for chemical synthesis in the production of building blocks for colorants and coatings, life science and agricultural chemicals. It is also used as a precursor to phthalocyanine pigments (which are precursors to the blue dye in jeans), fluorescent brighteners, and photographic sensitizers.
Preparation
Phthalonitrile can be produced from phthalic acid, phthalic anhydride, phthalamide, or phthalimide by reaction with ammonia and elimination of water at 300–500°C in the gas phase in the presence of a catalyst.
In a single-stage continuous process, o-xylene is converted to phthalonitrile by reaction with ammonia and oxygen in the gas phase in a fluidized-bed reactor. Generally, metal oxide mixtures containing vanadium, antimony, chromium, and molybdenum, with further active components such as iron, tungsten, and alkali-metal oxides, on an alumina or silica support are used as catalysts.
Reactions
The route from o-phthalodinitrile can be represented 4C8H4N2 +M → MPc, where M is a bivalent metal, metal halide, metal alcoholate, or an equivalent amount of metal of valence other than two in a 4:1 molar ratio.
Flammability and Explosibility
Not classified
Safety Profile
Poison by ingestion, subcutaneous, and intraperitoneal routes. Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of CN- and NOx. See also NITRILES.
Purification Methods
Crystallise the nitrile from EtOH, toluene or *benzene. It has also been distilled under high vacuum. It is steam volatile. [Beilstein 9 H 815, 9 II 602, 9 III 4199, 9 IV 3268.]
Phthalonitrile Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Phthalonitrile manufacturers
- Product
- Phthalonitrile 91-15-6
- Price
- US $100.00-1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- g-kg-tons, free sample is available
- Release date
- 2023-12-24
- Product
- Phthalonitrile 91-15-6
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 98%min
- Supply Ability
- 30tons/month
- Release date
- 2023-01-18
- Product
- Phthalonitrile 91-15-6
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 20 mt
- Release date
- 2023-03-17