BRASS
Synonym(s):Brass;Cu34Zn11
- CAS NO.：63338-02-3
- Empirical Formula: CuPbZn
- Molecular Weight: 336.14
- MDL number: MFCD00171255
- EINECS: 215-270-7
- Update Date: 2026-01-13 11:27:02
What is BRASS?
Definition
Any of a group of copper–zinc alloys containing up to 50% of zinc. The color of brass changes from red-gold to golden to silvery-white with increasing zinc content. Brasses are easy to work and resist corrosion well. Brasses with up to 35% zinc can be worked cold and are specially suited for rolling into sheets, drawing into wire, and making into tubes. Brasses with 35–46% zinc are harder and stronger but less ductile; they require hot working (e.g. forging). The properties of brass can be improved by the addition of other elements; lead improves its ability to be machined, while aluminum and tin increase its corrosion resistance.
Definition
A group of alloys consistingof copper and zinc. A typical yellowbrass might contain about 67% copperand 33% zinc.
Properties of BRASS
| Melting point: | ~870 °C(lit.) |
| Density | 1.17 g/mL at 25 °C(lit.) |
| form | powder |
| color | Yellow |
| Merck | 13,2694 |
Safety information for BRASS
| Signal word | Warning |
| Pictogram(s) |
 Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P391:Collect spillage. Hazardous to the aquatic environment P501:Dispose of contents/container to..… |
Computed Descriptors for BRASS
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