1. Basic Product Info
| 物品 | 细节 |
|---|---|
| 产品名称 | Industrial Oxalic Acid Dihydrate |
| 化学式 | H₂C₂O₄·2H₂O |
| 化学文摘社编号. | 6153-56-6 |
| 海关编码 | 2917111000 |
| 执行标准 | 国标/T 1626-2008 Industrial Oxalic Acid |
| 外貌 | White transparent crystalline solid |
| 溶解度 | Soluble in water and ethanol |
| UN Hazard Class | 非危险品, general cargo transport |
2. 纯度规格
Two export grades:
- 标准等级: Oxalic Acid ≥99.0%
- 高纯度级: Oxalic Acid ≥99.6%
Key indexes: 硫酸盐, 重金属, ash, water insoluble matter strictly controlled
3. 标准COA (分析证书)
| 测试项目 | Standard Requirement | 实际测试结果 | 测试方法 |
|---|---|---|---|
| 草酸 (H₂C₂O₄·2H₂O) | ≥99.00% | 99.65% | 滴定 |
| 硫酸盐 (SO₄²⁻) | ≤0.08% | 0.02% | 比浊法 |
| 氯化物 (氯⁻) | ≤0.005% | 0.001% | 比浊法 |
| Ash Content | ≤0.10% | 0.03% | Ignition weighing |
| 重金属 (铅) | ≤10ppm | <2 百万分之一 | 原子吸收光谱法 |
| 水不溶物 | ≤0.01% | 0.002% | 过滤称重 |
| 外貌 | 白色均匀晶体, no impurities | 合格的 | 目视检查 |
| 测试结论 | 符合GB/T 1626-2008, 工业品出口资格 |
4. 主要工业应用
4.1 金属表面处理 (核心用法)
High-efficiency rust remover, descaling agent for steel, 铝, copper hardware; remove oxide scale, welding spots and surface stains without over-corrosion.
4.2 纺织品印花 & 染色
Bleaching agent for cotton, linen, wool fabrics; color fixing auxiliary, pH regulator and metal ion chelator to improve dyeing uniformity.
4.3 水处理 & Boiler Cleaning
Clean scale in industrial boilers, pipelines and heat exchangers; 去除钙/镁垢.
4.4 Leather Industry
Leather tanning agent, stain remover for fur, brightening auxiliary to improve leather surface smoothness.
4.5 精细化工 & Rare Earth Mining
Precipitant for rare earth mineral extraction; raw material for oxalate salts synthesis, analytical lab reagent.
4.6 Daily Industrial Cleaning
Raw material for industrial descaling cleaners, stone polishing agent for marble, terrazzo.
5. 包装 & 加载中
- 25千克: Inner PE plastic bag + 外编织袋
- 1000kg jumbo bag for bulk order
- Loading capacity: 26公吨 / 20普通集装箱
6. 贮存 & 运输
- 干燥保存, 凉爽的, 通风仓库, 密封以防止潮解
- Separated from alkaline chemicals, food and feed materials
- 普货, no dangerous goods logistics formalities
7. 供应商优势
- Full set of export documents: 批量加盖COA, 材料安全数据表, CI, PL, 原产地证书
- Standard & high purity grades available
- Support SGS/BV third-party pre-shipment inspection
- Stable mass supply, long-term framework orders acceptable
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