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Send EmailBrass Anode, Yellow Anode, 7440-50-8, 7440-66-6
| Parameter | Description |
|---|---|
| Product Name | Brass (Yellow) Anode |
| Chemical Composition | Copper (Cu) + Zinc (Zn) alloy |
| CAS Number (Copper) | 7440-50-8 |
| CAS Number (Zinc) | 7440-66-6 |
| EC Number (Copper) | 231-159-6 |
| EC Number (Zinc) | 231-175-3 |
| Chemical Class | Copper-zinc alloy (brass) |
| Appearance | Yellowish metallic lustrous solid |
| Odor | Odorless |
| Density | 8.4 – 8.7 g/cm³ (depending on alloy ratio) |
| Melting Point | 900 – 940 °C |
| Electrical Conductivity | Lower than copper, but adequate |
| Mechanical Properties | High strength, good machinability |
CHEMICAL STRUCTURE AND DESCRIPTION:
Brass is an alloy of copper and zinc. It combines the ductility of copper with the hardness of zinc. The yellow color varies depending on the zinc content; higher zinc content gives a lighter yellow color. It has a face-centered cubic (FCC) crystal structure. It offers good mechanical properties, corrosion resistance, and machinability. It is widely used as an anode in electrolytic plating processes, in decorative plating applications, in the electrical and electronics industry, in corrosion-resistant surface treatments, and in jewelry and decorative items production.
Structural Features:
Copper-zinc alloy
Face-centered cubic (FCC) crystal structure
Yellowish color
Good mechanical properties
Corrosion resistance
Good machinability
| Alloy Type | Cu (%) | Zn (%) | Application |
|---|---|---|---|
| Yellow Brass | 60-70 | 30-40 | General anode applications |
| Silver Brass | 65-68 | 32-35 | Decorative plating |
| Red Brass | 80-85 | 15-20 | High corrosion resistance |
| Special Alloys | Variable | Variable | Custom upon request |
| Property | Value |
|---|---|
| Alloy Type | Yellow Brass (Cu-Zn) |
| Copper Content | 60 – 70% |
| Zinc Content | 30 – 40% |
| Appearance | Yellowish metallic lustrous |
| Density | 8.4 – 8.7 g/cm³ |
| Melting Point | 900 – 940 °C |
| Electrical Conductivity | 28-30% IACS (relative to copper) |
| Thermal Conductivity | 115-120 W/(m·K) |
| Hardness (Brinell) | 80-100 HB |
| Tensile Strength | 300-400 MPa |
| Elongation | 40-60% |
| Corrosion Resistance | Good |
| Sector | Application |
|---|---|
| Electroplating | Anode in electrolytic plating processes |
| Decorative Plating | Decorative plating applications |
| Electrical / Electronics | Electrical and electronics industry |
| Surface Treatment | Corrosion-resistant surface treatments |
| Jewelry | Jewelry and decorative items production |
| Automotive | Automotive parts |
| Construction | Architectural applications |
| Parameter | Specification |
|---|---|
| Copper Content (Cu) | 60 – 70% |
| Zinc Content (Zn) | 30 – 40% |
| Appearance | Yellowish metallic lustrous |
| Density | 8.4 – 8.7 g/cm³ |
| Melting Point | 900 – 940 °C |
| Form | Sheet, rod, custom upon request |
| Dimensions | Customizable upon request |
| Lead (Pb) | ≤ 0.05% |
| Iron (Fe) | ≤ 0.05% |
| Tin (Sn) | ≤ 0.05% |
| Aluminum (Al) | ≤ 0.01% |
| Parameter | Information |
|---|---|
| Storage Conditions | Dry, clean, moisture-free environment |
| Storage Temperature | Room temperature |
| Keep Away From | Strong acids, moisture, oxidizers |
| Shelf Life | Unlimited (under proper storage) |
| Packaging | Sheet, rod, custom upon request |
Handling Notes:
Maintain surface cleanliness
Use in well-ventilated areas
Avoid contact with acids
Surface oxidation may occur in humid environments
Protect from mechanical damage
| Parameter | Value |
|---|---|
| GHS Classification | Not classified (not hazardous) |
| Signal Word | None |
| Toxicity | Non-toxic in solid form |
| Dust Inhalation | Dust may be harmful if inhaled |
| Exposure Routes | Inhalation (dust), skin contact |
| Symptoms | Respiratory tract irritation |
| Carcinogenicity | Not classified |
| Personal Protection | Gloves, safety goggles, dust mask |
SPECIAL WARNINGS:
Brass dust inhalation may cause respiratory tract irritation
Pay attention to dust formation during processing (cutting, grinding)
Adequate ventilation must be provided
Welding or melting operations may produce metal fumes
| Exposure Route | Action |
|---|---|
| Inhalation | Move to fresh air. If breathing difficulty occurs, administer oxygen. Seek medical attention. |
| Skin Contact | Wash with plenty of water and soap. |
| Eye Contact | Rinse with plenty of water for at least 15 minutes. Seek medical attention. |
| Ingestion | Rinse mouth with water. Drink plenty of water. Seek medical attention. |
| Parameter | Information |
|---|---|
| Ecotoxicity | May be toxic to aquatic organisms |
| Bioaccumulation | Copper and zinc compounds may accumulate in the environment |
| Environmental Impact | May be harmful if released into water bodies |
| Waste Management | Brass-containing waste should be recycled |
| Recycling | Highly recyclable |
| Parameter | Information |
|---|---|
| UN Number | Not classified as dangerous for transport |
| Hazard Class | Not classified |
| Packing Group | Not applicable |
| Proper Shipping Name | Brass Anode |
| Marine Pollutant | No |
| ADR/RID Label | None |
| Region | Status |
|---|---|
| EU | REACH registered |
| Turkey (KKDİK) | Mandatory compliance; registration required |
| USA (TSCA) | Listed |
| Customs Tariff Code | 7407.21.10 |
SUMMARY:
Brass Anode is a yellow-colored anode material produced from a copper (60-70%) and zinc (30-40%) alloy. It has a density of 8.4-8.7 g/cm³ and a melting point of 900-940 °C. It offers good mechanical properties, corrosion resistance, and machinability.
Its most important applications include use as an anode in electrolytic plating processes, in decorative plating applications, in the electrical and electronics industry, for corrosion-resistant surface treatments, and in jewelry and decorative items production.
Non-toxic in solid form, but brass dust may be harmful if inhaled. Storage should be in dry, clean, moisture-free environments.
Key Properties:
| Property | Value |
|---|---|
| Composition | Cu (60-70%) + Zn (30-40%) |
| Appearance | Yellowish metallic |
| Density | 8.4 – 8.7 g/cm³ |
| Melting Point | 900 – 940 °C |
| Electrical Conductivity | 28-30% IACS |
| Hardness (Brinell) | 80-100 HB |
| Form | Sheet, rod |
CRITICAL WARNINGS:
Corrosion Resistance: Brass has good corrosion resistance. However, it is sensitive to ammonia and ammonium salts (stress corrosion cracking).
Decorative Plating: Preferred in decorative plating applications due to its yellow color and bright surface.
Dust Inhalation: Brass dust inhalation may cause respiratory tract irritation. Avoid dust formation.
Alloy Ratio: The copper-zinc ratio affects anode performance and plating quality. Proper alloy selection is important.
Storage: Surface oxidation may occur in humid environments. Store in dry conditions.
Customs Tariff Code: 7407.21.10
Important Disclaimer: This Technical Data Sheet (TDS) is for informational purposes only. The information provided is based on available data and is believed to be accurate. However, the user is solely responsible for determining the suitability of the product for their specific applications and for complying with all applicable regulations and safety requirements. For complete safety, handling, storage, and regulatory compliance information, always refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. All local, national, and international regulations must be followed when working with Brass Anodes.