Organic chemical raw materials
Jiangsu Industrial Solvent Dichloromethane-National Standard Spot Dichloromethane Quotation
methylene dichloride cas: 27-63-9
Methylene dichloride CAS: 27-63-9
Colorless liquid. It smells like ether. Volatile. Its gas does not burn, mixes with air and does not explode. It can be mixed with ethanol, ether and N, N-dimethylformamide and dissolved in about 50 parts of water. The relative density (d204) was 1.3255. The freezing point is - 95 C. Boiling point 39.75 C. The refractive index (n20D) is 1.4244. Low toxicity, half lethal dose (rat, gavage) 2524 mg/kg. High concentration vapor is anaesthetic. It's stimulating.
项 目 | 指 标 | ||
优 等 品 | 一 等 品 | 合 格 品 | |
二氯甲烷的质量分数/% ≥ | 99.95 | 99.90 | 99.80 |
水的质量分数/% ≤ | 0.010 | 0.020 | 0.030 |
酸(以HCl计)的质量分数/% ≤ | 0.0004 | 0.0008 | |
色度/Hazen单位（Pt-Co色号） ≤ | 10 | ||
蒸发残渣的质量分数/% ≤ | 0.0005 | 0.0010 | |
添加稳定剂的量不计入二氯甲烷的质量分数。 | |||
Methylene dichloride - Safety Information
| 包装等级: | III |
|---|---|
| 危险类别: | 6.1 |
| 危险品运输编码: | UN 1593 6.1/PG 3 |
| WGK Germany: | 2 |
| 危险类别码: | Xn,T,F |
| 安全说明: | S23-S24/25-S36/37-S45-S16-S7 |
| RTECS号: | PA8050000 |
| 安全信息-海关编码 | 2903120001 |
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