Tris乙磺酸 [7365-44-8]
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英文名:TES
- 别名:2-[(三(羟甲基)甲基)氨基]-1-乙磺酸,三羟甲基氨基甲烷乙磺酸
- CAS号:7365-44-8 分子式:C6H15NO6S 分子量:229.25
P154803-100g Tris乙磺酸 [7365-44-8] 99% 100g 514.00 促销价:375.22
P154800-25g Tris乙磺酸 [7365-44-8] 99% 25g 178.00 促销价:129.94
P154809-250g Tris乙磺酸 [7365-44-8] 99%生物技术级 250g 1314.00 促销价:959.22
P154808-50g Tris乙磺酸 [7365-44-8] 99%生物技术级 50g 457.00 促销价:333.61
P154807-10g Tris乙磺酸 [7365-44-8] 99%生物技术级 10g 142.00 促销价:103.66
P154806-500g Tris乙磺酸 [7365-44-8] 超纯级,≥ 99.5%(T) 500g 1942.00 促销价:1417.66
P154806-100g Tris乙磺酸 [7365-44-8] 超纯级,≥ 99.5%(T) 100g 585.00 促销价:427.05
P154802-25g Tris乙磺酸 [7365-44-8] 超纯级,≥ 99.5%(T) 25g 200.00 促销价:146.00
订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
P154806-500g | Tris乙磺酸 [7365-44-8] | 99% | 500g | 2042.00 | 1490.66 | 登录可见 |
P154806-500g Tris乙磺酸 [7365-44-8] 99% 500g 2042.00 促销价:1490.66
|
P154803-100g | Tris乙磺酸 [7365-44-8] | 99% | 100g | 514.00 | 375.22 | 登录可见 |
P154803-100g Tris乙磺酸 [7365-44-8] 99% 100g 514.00 促销价:375.22
|
P154800-25g | Tris乙磺酸 [7365-44-8] | 99% | 25g | 178.00 | 129.94 | 登录可见 |
P154800-25g Tris乙磺酸 [7365-44-8] 99% 25g 178.00 促销价:129.94
|
P154809-250g | Tris乙磺酸 [7365-44-8] | 99%生物技术级 | 250g | 1314.00 | 959.22 | 登录可见 |
P154809-250g Tris乙磺酸 [7365-44-8] 99%生物技术级 250g 1314.00 促销价:959.22
|
P154808-50g | Tris乙磺酸 [7365-44-8] | 99%生物技术级 | 50g | 457.00 | 333.61 | 登录可见 |
P154808-50g Tris乙磺酸 [7365-44-8] 99%生物技术级 50g 457.00 促销价:333.61
|
P154807-10g | Tris乙磺酸 [7365-44-8] | 99%生物技术级 | 10g | 142.00 | 103.66 | 登录可见 |
P154807-10g Tris乙磺酸 [7365-44-8] 99%生物技术级 10g 142.00 促销价:103.66
|
P154806-500g | Tris乙磺酸 [7365-44-8] | 超纯级,≥ 99.5%(T) | 500g | 1942.00 | 1417.66 | 登录可见 |
P154806-500g Tris乙磺酸 [7365-44-8] 超纯级,≥ 99.5%(T) 500g 1942.00 促销价:1417.66
|
P154806-100g | Tris乙磺酸 [7365-44-8] | 超纯级,≥ 99.5%(T) | 100g | 585.00 | 427.05 | 登录可见 |
P154806-100g Tris乙磺酸 [7365-44-8] 超纯级,≥ 99.5%(T) 100g 585.00 促销价:427.05
|
P154802-25g | Tris乙磺酸 [7365-44-8] | 超纯级,≥ 99.5%(T) | 25g | 200.00 | 146.00 | 登录可见 |
P154802-25g Tris乙磺酸 [7365-44-8] 超纯级,≥ 99.5%(T) 25g 200.00 促销价:146.00
|
化学性质
质量标准
99%:
外观Appearance white Crystalline Powder
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity (Titration by NAOH) anhyd. ≥99 %
水溶性Solubility Colorless,Clear,25 g plus 50 ml H2O
水分Water (by Karl Fischer) ≤0.2 %
A290 UV absorbance ≤0.1
(c = 33% w/w)
重金属Heavy Metals (As Lead) ≤5 ppm
品级Grade 超纯级
(Ultra pure,≥ 99.5%(T))
外观appearance white powder
纯度purity by titration ≥ 99.5%
水溶性solubility clear colorless (1 m in water)
干燥损失loss on drying ≤ 1% (110 °C)
灼烧残渣residue on ignition ≤0.1% (SO4, 900 °C)
不溶物insoluble matter passes filter test
氯chloride (cl) ≤ 0.005%
硫酸根sulfate (so4) ≤ 0.005%
铝aluminum (AL) ≤ 0.0005%
arsenic (As) ≤ 0.0001%
barium (Ba) ≤ 0.0005%
bismuth (Bi) ≤ 0.0005%
calcium (Ba) ≤ 0.001%
cadmium (Cd) ≤ 0.0005%
cobalt (Co) ≤ 0.0005%
chromium (Cr) ≤ 0.0005%
copper (Cu) ≤ 0.0005%
iron (Fe) ≤ 0.0005%
potassium (K) ≤ 0.02%
lithium (Li) ≤ 0.0005%
magnesium (Mg) ≤ 0.0005%
manganese (Mn) ≤ 0.0005%
molybdenum (Mo) ≤ 0.0005%
sodium (Na) ≤ 0.01%
nickel (Ni) ≤ 0.0005%
lead (Pb) ≤ 0.0005%
strontium (Sr) ≤ 0.0005%
zinc (Zn) ≤ 0.0005%
A260 (1 m in water) ≤ 0.055
A280 (1 m in water) ≤ 0.045
pH test 3.5 to 5.0 (1 m in water)
危险性质
用途及存储
生物研究用Good's缓冲液中的成分
密封干燥保存。