Overview
Graphite (CAS 7782-42-5 ) is a crystalline form of elemental carbon used across heavy industry as a solid lubricant and conductive additive. Supplied in natural and synthetic grades, it performs reliably in high-temperature and high-pressure environments.
In metalworking and mining, graphite is applied as a dry lubricant in die forging, wire drawing, and drilling operations. This material reduces tool wear under extreme mechanical loads where liquid lubricants often fail to provide protection.
Plastics and polymer compounders incorporate graphite powder to improve wear resistance and reduce friction in engineering components. Common applications include the manufacturing of bushings, seals, and various bearing housings for machinery.
Refractory and foundry applications use graphite in crucibles, mold release agents, and furnace linings. In these settings, thermal stability is the primary requirement for maintaining structural integrity during high-heat processing.
Conductive grades are also blended into electrodes, battery anodes, and antistatic coatings. Consistent electrical performance drives sourcing decisions for these specialized industrial and energy storage applications.
Graphite is available as fine powder, flakes, granules, and colloidal dispersions. Natural flake and synthetic grades are the most commercially traded forms, with particle size and purity specifications varying by end-use.
Technical and battery-grade specifications are standard across the market. High-purity synthetic grades are frequently utilized in energy storage applications to ensure maximum efficiency and longevity in modern battery systems.
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Physical Properties
| Melting Point | 3652 °C (sublm) |
| Boiling Point | 4200 °C |
| Density | 2.09-2.23 g/cm³ |
| Appearance | Graphite is crystallized carbon and usually appears as soft, black scales. There are two types of graph ite, natural and artificial (activated). Natural and synthetic graphite may be mixed with each other or contain other additives. |
| Color | black |
| Odor | Odorless |
| Form | rod |
| Water Solubility | Insoluble in water. |
| pH | 5-6 (50g/l, H2O, 20℃)(slurry) |
Safety & Handling
Warning GHS07 Hazard Statements H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 38011000 |
| UN Number | 1325 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 7782-42-5
- EC Number
- 231-955-3
- Mol. Weight
- 12.011
- HS Code
- 38011000
- Category
- Salts & Minerals