53469-21-9
CAS: 53469-21-9
Molecular Formula: C12H6Cl4
53469-21-9 - Names and Identifiers
| Synonyms | Aroclor 1242 [40cfr136(1986)]pcb-1242 aroclor 1242 reference standard for clp 1,2-dichloro-3-(2,4-dichlorophenyl)benzene |
| CAS | 53469-21-9 |
53469-21-9 - Physico-chemical Properties
| Molecular Formula | C12H6Cl4 |
| Molar Mass | 291.98804 |
| Density | 1.381-1.392 g/cm3(Temp: 25 °C) |
| Boling Point | 325-366 °C |
| Flash Point | -12°C |
| Water Solubility | 277ug/L(20 ºC) |
| Solubility | (wt %):Benzoic acid (10.0 at 31 °C), pyridine (132.5 at 30 °C), diglycol monoethyl ether (224 at 31 °C),methanol (42.5 at 29 °C), ethanol (23.3 at 29 °C) (Monsanto, 1960) |
| Vapor Presure | 10 at 37.8 °C (calculated, Monsanto, 1960) |
| Appearance | Straw-colored liquid |
| Exposure Limit | Potential occupational carcinogen. NIOSH REL: TWA 1.0 g/m3, IDLH 5mg/m3; OSHA PEL: TWA 1 mg/m3; ACGIH TLV: TWA 1 mg/m3 (adopted). |
| Storage Condition | room temp |
53469-21-9 - Risk and Safety
| Risk Codes | R11 - Highly Flammable R38 - Irritating to the skin R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R65 - Harmful: May cause lung damage if swallowed R67 - Vapors may cause drowsiness and dizziness R33 - Danger of cumulative effects R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed R62 - Possible risk of impaired fertility R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R48/20 - R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R45 - May cause cancer |
| Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S29 - Do not empty into drains. S33 - Take precautionary measures against static discharges. 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. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S35 - This material and its container must be disposed of in a safe way. S36 - Wear suitable protective clothing. 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.) S53 - Avoid exposure - obtain special instructions before use. |
| UN IDs | 2315 |
| WGK Germany | 3 |
| RTECS | TQ1356000 |
| Hazard Class | 9 |
| Packing Group | II |
| Toxicity | Acute oral LD50 for rats 4,250 mg/kg (quoted, RTECS, 1985). |
53469-21-9 - Reference Information
| Henry's Law Constant | 0.347, 0.575, 0.928, 1.47, 2.27, 3.43, 5.09, 7.60, and 10.8 at 0.0, 5.0, 10.0, 15.0, 20.0, 25.0, 30.0,35.5, and 40.0 °C, respectively (predicted, Burkhard et al., 1985) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-threatening and health concentration | 5 mg/m3 |
Last Update：2024-04-09 20:48:19
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Product Name: Aroclor 1242 Visit Supplier Webpage Request for quotationCAS: 53469-21-9
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