市场价：元价格：元
分子式：
Technical indicators:
1. Appearance, colorless and transparent liquid, color number ≤ 30
2, specific gravity, 1.000g/mlat25 ° C
3. Refractive index, N20 / d1.418
4. Acidity, neutral, pH = 6-7
5. Content, ≥ 98.5%
