Graphite
- Mineral carbon
- Black lead
- Plumbago
Graphite | |
| |
| Formula | C |
| Structure | |
| Description | Steel gray to black, greasy feeling, odorless solid. |
| Uses | For lead pencils, refractory crucibles, stove polish. |
| Registry Numbers and Inventories. | |
| CAS | 7782-42-5 |
| EC (EINECS/ELINCS) | 231-955-3 |
| RTECS | MD9659600 |
| RTECS class | Other |
| UN (DOT) | 1361 |
| Merck | 12,4560 |
| Beilstein/Gmelin | 7851 (G) |
| Swiss Giftliste 1 | G-8422 |
| Canada DSL/NDSL | DSL |
| US TSCA | Listed |
| Austrailia AICS | Listed |
| New Zealand | Listed |
| Korea ECL | Listed |
| Properties. | |
| Formula | C |
| Formula mass | 12.01 |
| Melting point, °C | 3827 |
| Vapor pressure, mmHg | 380 (2220 C) |
| Density | 2.09-2.23 g/cm3 (20 C) |
| Solubility in water | Insoluble |
| Thermal expansion | 1.7E-6/K (20 C) |
| Heat of fusion | 104.6 kJ/mol |
| Hazards and Protection. | |
| Storage | Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage. |
| Handling | All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood. |
| Protection | Protective gloves. Safety goggles -- in combination with breathing protection if a powder. |
| Respirators | Wear positive pressure self-contained breathing apparatus (SCBA). |
| Small spills/leaks | Make no contact with the spilled material. ELIMINATE all ignition sources and ground all equipment. With clean shovel place material into clean, dry container and cover loosely; move containers from spill area. |
| Stability | No data. |
| Incompatibilities | The substance is a strong reducing agent and reacts with oxidizers. |
| Fire. | ||||
| Autoignition, °C | 449 | |||
| Fire fighting | Small Fires: Dry chemical, carbon dioxide, sand, earth, water spray or regular foam. Large Fires: Water spray, fog or regular foam. | |||
| Fire potential | Flammable/combustible material. May be ignited by friction, heat, sparks or flames. | |||
| Combustion products | Fire may produce irritating and/or toxic gases. | |||
| NFPA | Health | 1 | ||
| Flammability | 0 | |||
| Reactivity | 0 | |||
| Health. | |
| Exposure limit(s) | TLV: ppm; 2.0 mg/m3 as respirable dust (ACGIH 1996-1997). OSHA PEL: TWA 15 mg/m3 NIOSH REL: TWA 2.5 mg/m3 (resp) NIOSH IDLH: 1250 mg/m3 |
| Poison_Class | - |
| Exposure effects | The toxological properties of this substance have not been fully investigated. |
| Inhalation | Cough. Long term/repeated exposure can affect lungs, resuling in graphite pneumoconiosis. |
| Skin | Roughness. |
| Eyes | See Skin. |
First aid |
|
| Ingestion | Seek medical assistance. |
| Inhalation | Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult. |
| Skin | Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes. Wash skin with soap and water. |
| Eyes | In case of contact with substance, immediately flush with running water for at least 20 minutes. |
| Transport. | ||
| UN number | 1361 | |
| Response guide | 133 | |
| Hazard class | 4.2 | |
| Packing Group | II; III | |