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嗎啉乙磺酸 [4432-31-9]
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英文名：MES
- 別名：4-嗎啉乙磺酸，2-(N-嗎啉基)乙磺酸
- CAS號：4432-31-9 分子式：C6H13NO4S 分子量：195.2
P153843-100g 嗎啉乙磺酸 [4432-31-9] 99% 100g 163.00 促銷價:102.69
P153842-25g 嗎啉乙磺酸 [4432-31-9] 99% 25g 66.00 促銷價:41.58
P153842-100g 嗎啉乙磺酸 [4432-31-9] 99.5% 100g 420.00 促銷價:155.40
P153841-25g 嗎啉乙磺酸 [4432-31-9] 99.5% 25g 180.00 促銷價:72.00
| 訂貨編號 | 商品名稱 | 規(guī)格 | 包裝 | 單價 | 促銷價 | 會員價 | 數(shù)量 |
| P153844-500g | 嗎啉乙磺酸 [4432-31-9] | 99% | 500g | 391.00 |
246.33
|
登錄可見 |
P153844-500g 嗎啉乙磺酸 [4432-31-9] 99% 500g 391.00 促銷價:246.33
|
| P153843-100g | 嗎啉乙磺酸 [4432-31-9] | 99% | 100g | 163.00 |
102.69
|
登錄可見 |
P153843-100g 嗎啉乙磺酸 [4432-31-9] 99% 100g 163.00 促銷價:102.69
|
| P153842-25g | 嗎啉乙磺酸 [4432-31-9] | 99% | 25g | 66.00 |
41.58
|
登錄可見 |
P153842-25g 嗎啉乙磺酸 [4432-31-9] 99% 25g 66.00 促銷價:41.58
|
| P153842-100g | 嗎啉乙磺酸 [4432-31-9] | 99.5% | 100g | 420.00 |
155.40
|
登錄可見 |
P153842-100g 嗎啉乙磺酸 [4432-31-9] 99.5% 100g 420.00 促銷價:155.40
|
| P153841-25g | 嗎啉乙磺酸 [4432-31-9] | 99.5% | 25g | 180.00 |
72.00
|
登錄可見 |
P153841-25g 嗎啉乙磺酸 [4432-31-9] 99.5% 25g 180.00 促銷價:72.00
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化學(xué)性質(zhì)
質(zhì)量標(biāo)準(zhǔn)
≥99.0% (T)：
純度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)：
外觀Appearance White Crystalline Powder
純度Purity(Titration by NAOH) ≥99.5 %
Anhydrous
水分Water (by Karl Fischer) ≤5%
灼燒殘渣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
品級Grade 分子生物學(xué)級，≥99.5% (T)
(for molecular biology，≥99.5% (T))
外觀Appearance White Crystalline Powder
純度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
灼燒殘渣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
品級Grade 植物細(xì)胞培養(yǎng)級
(for plant cell culture, ≥99.5%)
外觀Appearance White Crystalline Powder
純度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 %
灼燒殘渣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
內(nèi)毒素Endotoxin Level ≤0.1 EU/mg
總好氧微生物計數(shù)Total Aerobic Microbial Count
≤100 CFU/g
植物細(xì)胞培養(yǎng)試驗Plant Cell Culture Test Pass
≥99% (T),水分≤1.0%：
（≥99% (T),water≤1.0% ）
外觀appearance white powder
水溶性solubility clear colorless solution at 20 g plus 80 ml of water
紅外光譜鑒別Infrared spectrometry Conforms to Structure
純度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)
重金屬heavy metals ≤5 ppm (as lead)
危險性質(zhì)
用途及存儲
生物緩沖劑，用在生化診斷試劑盒、DNA/RNA提取試劑盒及PCR診斷試劑盒里。
密封干燥保存。
