2-[(2-Chlorophenyl)methylene]propanedinitrile
(2-chlorobenzylidene)malononitrile
CAS: 2698-41-1
Molecular Formula: C10H5ClN2
2-[(2-Chlorophenyl)methylene]propanedinitrile - Names and Identifiers
2-[(2-Chlorophenyl)methylene]propanedinitrile - Physico-chemical Properties
| Molecular Formula | C10H5ClN2 |
| Molar Mass | 188.61 |
| Density | 1.2906 (rough estimate) |
| Melting Point | 68-70°C(lit.) |
| Boling Point | 126°C0.1mm Hg(lit.) |
| Flash Point | 148°C |
| Water Solubility | 0.1-0.5 g/100 mL at 16 ºC |
| Solubility | 0.1-0.5 g/100 mL at 16°C |
| Vapor Presure | 3 x 10-5 mmHg at 20 °C (NIOSH, 1997) |
| Appearance | White, crystalline solid |
| Color | White crystalline solid with a pepper-like odor |
| Exposure Limit | NIOSH REL: ceiling 0.05 ppm (0.4 mg/m3), IDLH 2 mg/m3; OSHA PEL: TWA0.05 ppm; ACGIH TLV: ceiling 0.05 ppm (adopted). |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. Combustible. |
| Refractive Index | 1.5500 (estimate) |
2-[(2-Chlorophenyl)methylene]propanedinitrile - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R42/43 - May cause sensitization by inhalation and skin contact. R25 - Toxic if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S37/39 - Wear suitable gloves and eye/face protection 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. |
| UN IDs | UN 3448 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | OO3675000 |
| Hazard Class | 6.1(a) |
| Packing Group | I |
| Toxicity | LD50 in rats (mg/kg): 28 i.v., 48 i.p.; LC50 in rats: 88,480 mg/min/m3 (Ballantyne, Swanston) |
2-[(2-Chlorophenyl)methylene]propanedinitrile - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | oral-rat LD50: 178 mg/kg; Oral-mouse LD50: 282 mg/kg |
| stimulation data | skin-rabbit 12%/6 hours mild; Eye-rabbit 1 mg mild |
| flammability hazard characteristics | flammability; thermal decomposition discharges toxic nitrogen oxides, chloride smoke |
| storage and transportation characteristics | warehouse is ventilated and dry at low temperature; Store separately from food raw materials and oxidants; Special personnel manage |
| fire extinguishing agent | fog, carbon dioxide, foam, dry powder |
| occupational standard | TWA 0.4 mg/m3; CL 0.4 mg/m3 (skin) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-threatening and health concentration | 2 mg/m3 |
Last Update：2024-04-09 15:16:49
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View History
2-[(2-Chlorophenyl)methylene]propanedinitrile
NSC 158906
Spectrex Fire Extinguishant Formulation A
3377-92-2
METHYL 3-PHENYLACRYLATE
Zpck
NSC 158906
Spectrex Fire Extinguishant Formulation A
3377-92-2
METHYL 3-PHENYLACRYLATE
Zpck