三羟甲基氨基甲烷 ≥99.9% buffer substance, for analysis and biochemical purposes

供应商: VWR Chemicals
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Synonyms: Tris

VWRC28808.294EA 2876 CNY
VWRC28808.294 VWRC28808.440
三羟甲基氨基甲烷 ≥99.9% buffer substance, for analysis and biochemical purposes
三羟甲基氨基甲烷
分子式: NH₂C(CH₂OH)₃
分子量: 121.14 g/mol
沸点: 357
溶点: 169…172 °C
密度: 1.328 g/cm³ (20 °C)
存储条件: Ambient
MDL编号: MFCD00004679
CAS号: 77-86-1
EINECS: 201-064-4
Merck Index: 13,09842
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产品技术规格

Assay (calculated on dried substance) Min. 99.9 %
Colouration (20 %; water) Max. 20 APHA
Melting point Min. 170 °C
pH (20°C; 5 %) 10.0 - 11.5
Heavy metals (as Pb) Max. 1 ppm
Insolubility in water Max. 50 ppm
Water Max. 0.2 %
Absorbance (260 nm) (1 mol/l) Max 0.05
Absorbance (280 nm) (1 mol/l) Max. 0.03
Absorbance (430 nm) (1 mol/l) Max. 0.004


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