Plumbane, tetramethyl-
Tetramethyllead
CAS: 75-74-1
Molecular Formula: C4H12Pb
Plumbane, tetramethyl- - Names and Identifiers
Plumbane, tetramethyl- - Physico-chemical Properties
| Molecular Formula | C4H12Pb |
| Molar Mass | 267.34 |
| Density | 1.3g/mLat 25°C |
| Melting Point | -27.5°C |
| Boling Point | 110°C |
| Flash Point | 37.7°C |
| Water Solubility | insoluble |
| Appearance | liquid |
| Stability | Stable. Flammable. Incompatible with strong oxidizing agents. Heat sensitive. |
| Refractive Index | n20/D 1.497 |
Plumbane, tetramethyl- - Risk and Safety
| Risk Codes | R61 - May cause harm to the unborn child R10 - Flammable R26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed. R33 - Danger of cumulative effects R38 - Irritating to the skin R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R62 - Possible risk of impaired fertility |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. 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 | UN 1649 |
| Hazard Class | 6.1(a) |
| Packing Group | I |
Plumbane, tetramethyl- - References
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Production method | In the presence of metallic sodium, Pb reacts with CH 3 C1, and then distilled. |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | oral administration-rat LD50: 105 mg/kg; Inhalation-mouse LC50: 8.5g/m3/30 min |
| explosive hazard characteristics | blastable when mixed with air |
| flammability hazard characteristics | combustible; fire releases toxic lead smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from oxidant and food storage and transportation |
| fire extinguishing agent | water, sand, foam, carbon dioxide |
| occupational standard | TLV-TWA 0.15 mg (lead)/m3; STEL 0.23 mg (lead)/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-threatening and health concentration | 40 mg Pb/m3 |
Last Update：2024-04-10 22:29:15
