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甲基叔丁基醚 [1634-04-4]
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英文名：tert-Butyl methyl ether
- 别名：2-甲氧基-2-甲基丙烷 叔丁基甲醚 MTBE
- CAS号：1634-04-4 分子式：C5H12O 分子量：88.15
T138817-500ml 甲基叔丁基醚 [1634-04-4] 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) 500ml 263.00 促销价:165.69
T138818-100ml 甲基叔丁基醚 [1634-04-4] 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) 100ml 115.00 促销价:72.45
T138819-1L 甲基叔丁基醚 [1634-04-4] 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) 1L 400.00 促销价:252.00
T138812-500ml 甲基叔丁基醚 [1634-04-4] ACS光谱级, ≥99.8% (GC 500ml 200.00
T138817-500ml 甲基叔丁基醚 [1634-04-4] AR 500ml 75.00 促销价:47.25
T138811-100ml 甲基叔丁基醚 [1634-04-4] AR 100ml 33.00 促销价:20.79
T138812-2.5L 甲基叔丁基醚 [1634-04-4] AR 2.5L 300.00 促销价:189.00
T138813-5ml 甲基叔丁基醚 [1634-04-4] GCS, ≥99.9% 5ml 145.00
T138819-500ml 甲基叔丁基醚 [1634-04-4] GR 500ml 122.00 促销价:85.40
T138811-500ml 甲基叔丁基醚 [1634-04-4] HPLC,≥99.9% (GC) 500ml 176.00
T138810-500ml 甲基叔丁基醚 [1634-04-4] 农残级,≥99.9% (GC) 500ml 152.00
T138814-5ml 甲基叔丁基醚 [1634-04-4] 分析标准品,>99.95% (GC) 5ml 380.00
T138818-100ml 甲基叔丁基醚 [1634-04-4] 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) 100ml 115.00 促销价:72.45
T138819-1L 甲基叔丁基醚 [1634-04-4] 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) 1L 400.00 促销价:252.00
T138812-500ml 甲基叔丁基醚 [1634-04-4] ACS光谱级, ≥99.8% (GC 500ml 200.00
T138817-500ml 甲基叔丁基醚 [1634-04-4] AR 500ml 75.00 促销价:47.25
T138811-100ml 甲基叔丁基醚 [1634-04-4] AR 100ml 33.00 促销价:20.79
T138812-2.5L 甲基叔丁基醚 [1634-04-4] AR 2.5L 300.00 促销价:189.00
T138813-5ml 甲基叔丁基醚 [1634-04-4] GCS, ≥99.9% 5ml 145.00
T138819-500ml 甲基叔丁基醚 [1634-04-4] GR 500ml 122.00 促销价:85.40
T138811-500ml 甲基叔丁基醚 [1634-04-4] HPLC,≥99.9% (GC) 500ml 176.00
T138810-500ml 甲基叔丁基醚 [1634-04-4] 农残级,≥99.9% (GC) 500ml 152.00
T138814-5ml 甲基叔丁基醚 [1634-04-4] 分析标准品,>99.95% (GC) 5ml 380.00
| 订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
| T138817-500ml | 甲基叔丁基醚 [1634-04-4] | 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) | 500ml | 263.00 |
165.69
|
登录可见 |
T138817-500ml 甲基叔丁基醚 [1634-04-4] 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) 500ml 263.00 促销价:165.69
|
| T138818-100ml | 甲基叔丁基醚 [1634-04-4] | 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) | 100ml | 115.00 |
72.45
|
登录可见 |
T138818-100ml 甲基叔丁基醚 [1634-04-4] 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) 100ml 115.00 促销价:72.45
|
| T138819-1L | 甲基叔丁基醚 [1634-04-4] | 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) | 1L | 400.00 |
252.00
|
登录可见 |
T138819-1L 甲基叔丁基醚 [1634-04-4] 99%, Extra Dry, with molecular sieves, Water≤50 ppm (by K.F.) 1L 400.00 促销价:252.00
|
| T138812-500ml | 甲基叔丁基醚 [1634-04-4] | ACS光谱级, ≥99.8% (GC | 500ml | 200.00 | 200.00 | 登录可见 |
T138812-500ml 甲基叔丁基醚 [1634-04-4] ACS光谱级, ≥99.8% (GC 500ml 200.00
|
| T138817-500ml | 甲基叔丁基醚 [1634-04-4] | AR | 500ml | 75.00 |
47.25
|
登录可见 |
T138817-500ml 甲基叔丁基醚 [1634-04-4] AR 500ml 75.00 促销价:47.25
|
| T138811-100ml | 甲基叔丁基醚 [1634-04-4] | AR | 100ml | 33.00 |
20.79
|
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T138811-100ml 甲基叔丁基醚 [1634-04-4] AR 100ml 33.00 促销价:20.79
|
| T138812-2.5L | 甲基叔丁基醚 [1634-04-4] | AR | 2.5L | 300.00 |
189.00
|
登录可见 |
T138812-2.5L 甲基叔丁基醚 [1634-04-4] AR 2.5L 300.00 促销价:189.00
|
| T138813-5ml | 甲基叔丁基醚 [1634-04-4] | GCS, ≥99.9% | 5ml | 145.00 | 145.00 | 登录可见 |
T138813-5ml 甲基叔丁基醚 [1634-04-4] GCS, ≥99.9% 5ml 145.00
|
| T138819-500ml | 甲基叔丁基醚 [1634-04-4] | GR | 500ml | 122.00 |
85.40
|
登录可见 |
T138819-500ml 甲基叔丁基醚 [1634-04-4] GR 500ml 122.00 促销价:85.40
|
| T138811-500ml | 甲基叔丁基醚 [1634-04-4] | HPLC,≥99.9% (GC) | 500ml | 176.00 | 176.00 | 登录可见 |
T138811-500ml 甲基叔丁基醚 [1634-04-4] HPLC,≥99.9% (GC) 500ml 176.00
|
| T138810-500ml | 甲基叔丁基醚 [1634-04-4] | 农残级,≥99.9% (GC) | 500ml | 152.00 | 152.00 | 登录可见 |
T138810-500ml 甲基叔丁基醚 [1634-04-4] 农残级,≥99.9% (GC) 500ml 152.00
|
| T138814-5ml | 甲基叔丁基醚 [1634-04-4] | 分析标准品,>99.95% (GC) | 5ml | 380.00 | 380.00 | 登录可见 |
T138814-5ml 甲基叔丁基醚 [1634-04-4] 分析标准品,>99.95% (GC) 5ml 380.00
|
化学性质
无色、低粘度液体，具有类似萜烯的臭味。 微溶于水，但与许多有机溶剂互溶。 熔点 -110 °C 沸点 55-56 °C(lit.) 密度 0.7404 折射率 n20/D 1.369(lit.) 闪点 -27 °F
质量标准
| 项目 优级纯 |
| (GR) |
| 外观Appearance 透明液体 |
| 纯度Purity >99 %(GC) |
| 折光率Refractive index n20/D 1.3670-1.3690 |
| 相对密度Specific gravity (20/20°C) 0.7410-0.7440 |
| 水分Water <0.01 % |
| 乙酸Acidity <0.005 % |
| 项目 化学纯 |
| (CP) |
| 外观Appearance 透明液体 |
| 总醚含量Assay ≥99% |
| MTBE纯度Purity ≥95 %(GC) |
| 项目 色谱纯 |
| (HPLC) |
| 外观Appearance 无色透明液体 |
| 红外光谱鉴别Infrared spectrometry 和对照品匹配 |
| 纯度Purity ≥99.9% (GC) |
| 酸度Acidity <0.0005 mg/g |
| 碱度Alkalinity <0.0002 mg/g |
| 蒸发残渣Residue after evaporation <0.0003 % |
| 水分Water <0.05 % |
| 紫外吸收UV |
| 280 nm A: <0.009 (1 cm cell vs HPLC水) |
| 255 nm A: <0.097 (1 cm cell vs HPLC水) |
| 240 nm A: <0.301 (1 cm cell vs HPLC水) |
| 项目 农残级 |
| (for residue analysis ) |
| 外观Appearance 透明液体 |
| 纯度Purity >99.8% (GC) |
| 紫外吸收UV Absorbance: UV cutoff at 210nm. |
| 波长Wavelength (nm) Max. Absorbance |
| 225 0.500 |
| 250 0.100 |
| 300 0.005 |
| 400 0.005 |
| 电子捕获Electron Capture GC <10 ng/L (as Heptachlor Epoxide) |
| 过氧化物Peroxide (as H2O2) <1 ppm |
| 蒸发残渣Residue <1 mg/L(0.0001%) |
| 水分Water <0.02% |
| （注：农残级适合HPLC、GC、农残分析、光谱分析、有机合成等多用途高纯溶剂，充氮密封） |
| 品级Grade ACS光谱级 |
| (ACS spectrophotometric grade) |
| 纯度Purity ≥99.8% (GC) |
| 水分water ≤0.05% |
| H2O2 <1 ppm |
| 蒸发残渣evapn. residue <0.0005% |
| λ H2O reference |
| UV absorption |
| λ: 210 nm ≤ 1.0 |
| λ: 225 nm ≤ 0.50 |
| λ: 250 nm ≤ 0.10 |
| λ: 300 nm ≤ 0.01 |
| λ: 350 nm ≤ 0.01 |
| λ: 400 nm ≤ 0.01 |
| 品级Grade 药用级 |
| 纯度Purity ≥99.8% (GC) |
| 水分water ≤0.05% |
| H2O2 <1 ppm |
| 蒸发残渣evapn. residue <0.0005% |
危险性质
类别 易燃液体
毒性分级 中毒
危险品标志 Xn,F,Xi,T
危险类别码 36/37/38-40-38-11-39/23/24/25-23/24/25
安全说明 9-16-24-45-36/37
急性毒性 口服-大鼠 LD50: 4000 毫克/公斤; 吸入-小鼠 LC50: 141克/立方米/15分
刺激数据 皮肤-兔子 10 毫克/24小时 轻度; 眼睛-兔子 50 微克 重度
爆炸物危险特性 与空气混合形成爆炸性混合物
可燃性危险特性 易燃; 火场排放辛辣刺激烟雾
储运特性 库房通风低温干燥; 与氧化剂分开储运存放
灭火剂 干粉, 二氧化碳; 1211; 泡沫
职业标准 TWA 100 毫克/立方米; STEL 200 毫克/立方米
用途及存储
主要用作汽油添加剂，提高辛烷值，亦可裂解制得异丁烯
可作汽油添加剂，代替四乙基铅，提高辛烷值。微溶于水。与许多有机溶剂和汽油互溶。与一些极性溶剂如水、甲醇、乙醇等形成共沸物。有轻度麻醉作用。
