1. Product Basic Information
物品 | Specification & 细节 |
|---|---|
产品名称 | Industrial Sodium Hydroxide / Caustic Soda Flakes |
化学式 | NaOH |
化学文摘社编号. | 1310-73-2 |
EC Number | 215-185-5 |
联合国编号 | 1823 (Solid Caustic Soda) |
海关编码 | 2815110000 |
执行标准 | 国标/T 209-2018 (Latest National Standard for Industrial Sodium Hydroxide) |
外貌 | White translucent flake solid, 无味, easy to deliquesce in air, strong hygroscopicity |
溶解度 | 易溶于水 (releasing massive heat), soluble in ethanol and glycerol, insoluble in acetone and ether |
2. Product Purity & Core Content Index
We supply two mainstream industrial grades for global clients: 99% 高纯度级 (hot sale for most industries) 和 98.5% 标准等级 (cost-effective for general use). All products meet international industrial chemical standards, with stable impurity control for long-term bulk export.
2.1 Main Content Specification
- NaOH Assay (主要内容): ≥99.0% (High Grade) / ≥98.5% (标准等级)
- 水分: ≤0.5%
- Product Feature: Low impurity, high alkalinity, fast dissolution rate, no insoluble residue
3. COA (分析证书) Full Test Report (Batch Standard Data)
This is the standard COA data for our regular export batch. We can provide original official signed & stamped COA matching each shipment batch for customs clearance, buyer inspection and third-party testing.
测试项目 | Standard Requirement (99% Grade) | 实际测试结果 | 测试方法 |
|---|---|---|---|
Sodium Hydroxide (NaOH) | ≥99.00% | 99.21% | 国标/T 4348.1 |
碳酸钠 (碳酸钠) | ≤0.80% | 0.32% | 国标/T 7698 |
Sodium Chloride (NaCl) | ≤0.05% | 0.03% | 国标/T 4348.2 |
Ferric Oxide (Fe₂O₃) | ≤0.008% | 0.004% | 国标/T 4348.3 |
Silicon Dioxide (SiO₂) | ≤0.04% | 0.02% | Internal Standard Test |
外貌 | White flake, no foreign impurity | 合格的 | 目视检查 |
测试结论 | 符合GB/T 209-2018 Industrial Sodium Hydroxide Standard, Qualified for Export | ||
4. 主要工业应用
Caustic soda is one of the most essential inorganic alkaline chemicals, widely used in global industrial manufacturing, environmental protection and daily chemical industries. We classify applications by industry for buyers’ quick reference:
4.1 水处理行业 (Largest Application)
- PH value adjustment for domestic sewage, industrial wastewater and circulating water
- Heavy metal precipitation, neutralization of acidic wastewater
- Desulfurization and denitrification for factory flue gas treatment
4.2 Paper Making & 纸浆工业
- Delignification and bleaching process for wood pulp and waste paper pulp
- Improve paper toughness and whiteness, reduce production cost
4.3 Textile & Dyeing Industry
- Mercerizing treatment for cotton fabric to enhance fabric gloss and tensile strength
- Dyeing auxiliaries, degreasing and impurity removal for textile raw materials
4.4 Petroleum & Chemical Industry
- Petroleum refining: remove sulfur compounds and acidic impurities from crude oil
- Raw material for synthetic detergent, 肥皂, pesticide and other chemical products
- Neutralizer for chemical reaction, catalyst auxiliary
4.5 Metallurgy & Aluminum Industry
- Alumina production and aluminum smelting process
- Metal surface cleaning, rust removal and degreasing for steel and hardware
4.6 其他行业
- Food processing auxiliary (food grade available separately, not for direct food contact)
- Leather dehairing and degreasing process
- Construction industry: concrete additive, ground hardener preparation
5. 包装, Shipment & Storage Information
5.1 标准出口包装
- 25KG/Bag: Inner PE plastic bag + 外编织袋 (most popular for bulk sea shipment)
- 200KG/Iron Drum: Sealed galvanized iron drum, suitable for long-distance ocean transportation and moisture-proof requirement
- Custom packaging is acceptable according to buyers’ requirements
5.2 装载能力
- 25KG bag: 27公吨 / 20普通集装箱
- 200KG drum: 20公吨 / 20普通集装箱
5.3 贮存 & 运输注意事项
- 干燥保存, ventilated and waterproof warehouse; keep away from moisture, rain and direct sunlight
- Strictly forbidden to mix with acid substances, organic materials and food chemicals during transportation
- This product is corrosive hazardous goods; professional hazardous goods logistics required
6. 安全警告 & Handling Instruction
Hazard Characteristic: Strong corrosive alkaline chemical, can cause severe burns to skin, eyes and respiratory tract.
Emergency Treatment:
- 皮肤接触: Rinse with plenty of clean water for at least 15 minutes immediately
- Eye contact: Flush eyes with running water continuously and seek medical treatment quickly
- Inhalation: Move to fresh air area immediately; seek medical help if breathing difficulty occurs
PPE Requirement: Wear chemical resistant gloves, goggles and protective clothing during operation
7. Our Service Advantage for Global Buyers
- Batch-by-batch official COA, 材料安全数据表, 商业发票, packing list provided for full customs clearance
- Stable supply capacity: 5000MT monthly output, support long-term contract order
- Third-party inspection (通标公司, 细菌病毒) acceptable before shipment
- Professional hazardous goods export document service, one-stop shipping arrangement
tira –
The service is very reassuring!