Butanedinitrile
Succinonitrile
CAS: 110-61-2
Molecular Formula: C4H4N2
Butanedinitrile - Names and Identifiers
| Name | Succinonitrile |
| Synonyms | Dician Dinile Deprelin SUCCINONITRILE Succinonitrile Butanedinitrile SUCCINODINITRILE Succinodinitrile 1,2-dicyano-ethan SYM-DICYANOETHANE 1,2-Dicyanoethane ethylene dicyanide 1,4-Butanedinitrile methylpropanedinitrile Ethane-1,2-dicarbonitrile |
| CAS | 110-61-2 |
| EINECS | 203-783-9 |
| InChI | InChI=1/C4H4N2/c1-4(2-5)3-6/h4H,1H3 |
| InChIKey | IAHFWCOBPZCAEA-UHFFFAOYSA-N |
Butanedinitrile - Physico-chemical Properties
| Molecular Formula | C4H4N2 | |||||||||||||||||||
| Molar Mass | 80.09 | |||||||||||||||||||
| Density | 0.985 g/mL at 25 °C (lit.) | |||||||||||||||||||
| Melting Point | 50-54 °C (lit.) | |||||||||||||||||||
| Boling Point | 265-267 °C (lit.) | |||||||||||||||||||
| Flash Point | >230°F | |||||||||||||||||||
| Water Solubility | slightly soluble | |||||||||||||||||||
| Solubility | methanol: 0.1g/mL, clear, colorless | |||||||||||||||||||
| Vapor Presure | 10.382kPa at 25.14℃ | |||||||||||||||||||
| Appearance | Liquid | |||||||||||||||||||
| Specific Gravity | 0.985 | |||||||||||||||||||
| Color | Clear colorless | |||||||||||||||||||
| Exposure Limit | NIOSH: IDLH 25 mg/m3; TWA 6 ppm(20 mg/m3) | |||||||||||||||||||
| Merck | 14,8872 | |||||||||||||||||||
| BRN | 1098380 | |||||||||||||||||||
| pKa | 26.6[at 20 ℃] | |||||||||||||||||||
| Storage Condition | 2-8°C | |||||||||||||||||||
| Refractive Index | nD60 (liq) 1.41734 | |||||||||||||||||||
| Physical and Chemical Properties |
| |||||||||||||||||||
| Use | It is used as a solvent for extracting aromatic hydrocarbons from petroleum fractions and as a polishing agent for nickel plating, and is also used in organic synthesis. |
Butanedinitrile - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. R36/38 - Irritating to eyes and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S22 - Do not breathe dust. |
| UN IDs | 3276 |
| WGK Germany | 3 |
| RTECS | WN3850000 |
| TSCA | Yes |
| HS Code | 29269095 |
| Hazard Class | 6.1 |
| Packing Group | III |
Butanedinitrile - Nature
Open Data Verified Data
white waxy crystals. The melting point was 54-56 °c. Boiling point 265~267 deg C. The relative density was 0.985. Refractive index 41734 (liquid). Flash point 110 °c. Soluble in acetone, chloroform and dioxane, slightly soluble in water, ethanol, ether, carbon disulfide and benzene. The reaction with hydrogen also gives the original butylene diamine.
Last Update：2025-06-10 22:55:16
Butanedinitrile - Preparation Method
Open Data Verified Data
acrylonitrile as raw material in alkaline conditions, and cyanuric acid reaction.
Last Update：2022-01-01 10:37:01
Butanedinitrile - Application
Open Data Verified Data
This product is mainly used as the raw material of quinacone pigment, which is widely used in automobile and galvanized iron coating, color printing pigment and colorant of plastic products. In addition, it is also a raw material for the production of nylon 4. It can also be used as a reagent.
Last Update：2025-08-19 16:24:40
Butanedinitrile - Safety
Open Data Verified Data
This product is highly toxic and has a similar effect of cyanide. Oral LD50 450mg/kg on rats. The production workshop should be well ventilated and the equipment should be closed. The operator should wear protective gear. This product is generally packaged in a barrel, 180kg per barrel. Should be placed in a cool and ventilated place, according to the provisions of dangerous storage and transportation.
Last Update：2022-01-01 10:37:02
Butanedinitrile - Reference Information
| LogP | -0.99 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | is mainly used as a raw material for quinacridone pigments. This kind of pigment is widely used in automobile and galvanized iron coating, color printing pigment and colorant for plastic products. It is also used to produce nylon -4 and pharmaceutical intermediates. It can also be used as a reagent. Used as a solvent for extracting aromatic hydrocarbons from petroleum fractions and a glazing agent for nickel plating, and also used in organic synthesis |
| production method | using acrylonitrile as raw material and reacting with cyaneic acid under alkaline conditions. The yield is over 95%. The sodium cyanide aqueous solution can also be heated, the ethanol solution of 1, 2-dibromoethane can be added dropwise, and the reaction can be refluxed for 35 hours to generate succinonitrile. |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | oral-rat LD50: 450 mg/kg; Oral-mouse LD50: 129 mg/kg |
| flammability hazard characteristics | open flame is combustible; high heat decomposes toxic nitrogen oxide smoke; releases cyanide gas when exposed to acid; acts with oxidant |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Store separately from oxidants, acids and food additives |
| fire extinguishing agent | dry powder, foam, carbon dioxide, sand |
| occupational standard | TWA 5 PPM |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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