dicyanogene
CYANOGEN
CAS: 460-19-5
Molecular Formula: C2N2
dicyanogene - Names and Identifiers
| Name | CYANOGEN |
| Synonyms | dicyan CYANOGEN cyanogene dicyanogene OXALONITRILE Cyanogen (C2N2) Carbon nitride (C2N2) oxalonitrile cyanogen |
| CAS | 460-19-5 |
| EINECS | 207-306-5 |
dicyanogene - Physico-chemical Properties
| Molecular Formula | C2N2 |
| Molar Mass | 52.03 |
| Density | d4-21.17 0.9537 |
| Melting Point | -27.9° (also reported as -34.4°) |
| Boling Point | bp -21.17° |
| Water Solubility | 1.1–1.3g/100g H2O; 26 g/100g alcohol; 5g/100g ether [CIC73] |
| Vapor Presure | 520-570kPa at 21-25℃ |
| Appearance | colorless gas |
| Exposure Limit | TLV-TWA 20 mg/m3 (10 ppm) (ACGIH). |
| Refractive Index | 1.3780 (estimate) |
dicyanogene - Risk and Safety
| Risk Codes | R11 - Highly Flammable R23 - Toxic by inhalation R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S23 - Do not breathe vapour. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | 1026 |
| Hazard Class | 2.3 |
dicyanogene - References
| LogP | 0.08 at 20℃ and pH6.8 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| category | compressed and liquefied gases |
| toxicity grade | poisoning |
| Acute toxicity | inhalation-rat LC50: 350 PPM/1 h |
| stimulation data | eyes-human 16 PPM/6 points |
| explosive hazard characteristics | explosive when mixed with air |
| flammability hazard characteristics | flammable; Water-splitting toxic hydrocyanic acid |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; With acid, oxidant, water, separate storage of combustible materials |
| extinguishing agent | Water |
| Occupational Standard | TLV-TWA 20 mg/m3; Tel 100 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:21
