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吗啉乙磺酸 [4432-31-9]
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英文名：MES
- 别名：4-吗啉乙磺酸，2-(N-吗啉基)乙磺酸
- CAS号：4432-31-9 分子式：C6H13NO4S 分子量：195.2
P153843-100g 吗啉乙磺酸 [4432-31-9] 99% 100g 163.00 促销价:102.69
P153842-25g 吗啉乙磺酸 [4432-31-9] 99% 25g 66.00 促销价:41.58
P153842-100g 吗啉乙磺酸 [4432-31-9] 99.5% 100g 420.00 促销价:155.40
P153841-25g 吗啉乙磺酸 [4432-31-9] 99.5% 25g 180.00 促销价:72.00
| 订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
| P153844-500g | 吗啉乙磺酸 [4432-31-9] | 99% | 500g | 391.00 |
246.33
|
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P153844-500g 吗啉乙磺酸 [4432-31-9] 99% 500g 391.00 促销价:246.33
|
| P153843-100g | 吗啉乙磺酸 [4432-31-9] | 99% | 100g | 163.00 |
102.69
|
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P153843-100g 吗啉乙磺酸 [4432-31-9] 99% 100g 163.00 促销价:102.69
|
| P153842-25g | 吗啉乙磺酸 [4432-31-9] | 99% | 25g | 66.00 |
41.58
|
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P153842-25g 吗啉乙磺酸 [4432-31-9] 99% 25g 66.00 促销价:41.58
|
| P153842-100g | 吗啉乙磺酸 [4432-31-9] | 99.5% | 100g | 420.00 |
155.40
|
登录可见 |
P153842-100g 吗啉乙磺酸 [4432-31-9] 99.5% 100g 420.00 促销价:155.40
|
| P153841-25g | 吗啉乙磺酸 [4432-31-9] | 99.5% | 25g | 180.00 |
72.00
|
登录可见 |
P153841-25g 吗啉乙磺酸 [4432-31-9] 99.5% 25g 180.00 促销价:72.00
|
化学性质
质量标准
≥99.0% (T)：
纯度Purity(Titration by NAOH) ≥99.0% (T)
水分Water (by Karl Fischer) ≤9%
useful pH range 5.5 - 6.7
solubility H2O: soluble0.5 M at 20 °C, clear
anion traces chloride (Cl-): ≤50 ppm
sulfate (SO42-): ≤50 ppm
cation traces Ca: ≤50 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤5 ppm
K: ≤50 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Na: ≤50 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Zn: ≤5 ppm
≥99.5% (T)：
外观Appearance White Crystalline Powder
纯度Purity(Titration by NAOH) ≥99.5 %
Anhydrous
水分Water (by Karl Fischer) ≤5%
灼烧残渣ign. residue (900 °C) ≤0.05% (as SO4)
pH 2.5-4.0 (25 °C, 0.5 M in H2O)
useful pH range 5.5 - 6.7
pKa (25 °C) 6.1
水溶性solubility H2O: soluble0.5 M at 20 °C, clear, colorless
氯chloride (Cl-): ≤50 ppm
硫酸根sulfate (SO42-): ≤50 ppm
cation traces
Al: ≤5 ppm
As: ≤0.1 ppm
Ba: ≤5 ppm
Bi: ≤5 ppm
Ca: ≤20 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤5 ppm
K: ≤50 ppm
Li: ≤5 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Mo: ≤5 ppm
Na: ≤50 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Sr: ≤5 ppm
Zn: ≤5 ppm
λ 0.5 M in H2O
UV absorption λ: 260 nm A: ≤0.025
λ: 280 nm A: ≤0.020
品级Grade 分子生物学级，≥99.5% (T)
(for molecular biology，≥99.5% (T))
外观Appearance White Crystalline Powder
纯度Purity(Titration by NAOH) ≥99.5 %
Anhydrous
DNA酶DNases, none detected
RND酶RNases, none detected
不溶物insoluble matter, passes filter test
磷酸酶phosphatases, none detected
蛋白酶proteases, none detected
灼烧残渣ign. residue (900 °C) ≤0.05% (as SO4)
pH 2.5-4.0 (25 °C, 0.5 M in H2O)
useful pH range 5.5 - 6.7
pKa (25 °C) 6.1
水溶性solubility H2O: soluble0.5 M at 20 °C, clear, colorless
氯chloride (Cl-): ≤50 ppm
硫酸根sulfate (SO42-): ≤50 ppm
cation traces
Al: ≤5 ppm
As: ≤0.1 ppm
Ba: ≤5 ppm
Bi: ≤5 ppm
Ca: ≤20 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤5 ppm
K: ≤50 ppm
Li: ≤5 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Mo: ≤5 ppm
Na: ≤50 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Sr: ≤5 ppm
Zn: ≤5 ppm
λ 0.5 M in H2O
UV absorption λ: 260 nm A: ≤0.025
λ: 280 nm A: ≤0.020
品级Grade 植物细胞培养级
(for plant cell culture, ≥99.5%)
外观Appearance White Crystalline Powder
纯度Purity(Titration by NAOH) ≥99.5 %
DNA酶DNases, none detected
RND酶RNases, none detected
不溶物insoluble matter, passes filter test
磷酸酶phosphatases, none detected
蛋白酶proteases, none detected
Anhydrous
水分Water (by Karl Fischer) ≤5 %
灼烧残渣ign. residue (900 °C) ≤0.05% (as SO4)
pH 2.5-4.0 (25 °C, 0.5 M in H2O)
useful pH range 5.5 - 6.7
pKa (25 °C) 6.1
水溶性solubility H2O: soluble0.5 M at 20 °C, clear, colorless
内毒素Endotoxin Level ≤0.1 EU/mg
总好氧微生物计数Total Aerobic Microbial Count
≤100 CFU/g
植物细胞培养试验Plant Cell Culture Test Pass
≥99% (T),水分≤1.0%：
（≥99% (T),water≤1.0% ）
外观appearance white powder
水溶性solubility clear colorless solution at 20 g plus 80 ml of water
红外光谱鉴别Infrared spectrometry Conforms to Structure
纯度purity by TITRATION WITH NAOH ≥99.0%(anhydrous basis)
水分water by karl fischer ≤1.0%
紫外吸收uv absorbance ≤ 0.05 at 290nm (20%w/w)
重金属heavy metals ≤5 ppm (as lead)
危险性质
用途及存储
生物缓冲剂，用在生化诊断试剂盒、DNA/RNA提取试剂盒及PCR诊断试剂盒里。
密封干燥保存。
