33742
Trizma ® 碱
≥99.5%, crystalline, puriss p.a., aminopeptidase substrate
别名:
2-氨基-2-(羟甲基)-1,3-丙二醇, THAM, Tris 碱, 三羟甲基氨基甲烷, 氨基丁三醇
产品名称
Trizma ® 碱, puriss. p.a., buffer substance, ≥99.5%
描述
aminopeptidase substrate
等级
puriss. p.a.
方案
≥99.5%
表单
crystalline
杂质
≤0.0005% heavy metals (as Pb)
≤0.5% water (Karl Fischer)
灼烧残渣
≤0.05% (as SO4)
颜色
white
pH值（酸碱度）
10.3-10.8 (0.1 M)
有效pH范围
7-9
pKa (25 °C)
8.1
沸点
219-220 °C/10 mmHg (lit.)
mp
167-172 °C (lit.)
168-172 °C
溶解性
water: soluble (678 g/l at 20 °C)
痕量阴离子
chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤10 mg/kg
痕量阳离子
Fe: ≤5 mg/kg
SMILES字符串
NC(CO)(CO)CO
InChI
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI key
LENZDBCJOHFCAS-UHFFFAOYSA-N
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其他说明
所有缓冲液的 pH 值都取决于温度和浓度。Tris 缓冲液，温度每降低 1°C，pH 值增加约 0.03 个单位，每稀释十倍 pH 值降低0.03-0.05 个单位。
对于精确的应用，使用经过精心校准的 pH 计和玻璃/甘汞组合电极。
对于精确的应用，使用经过精心校准的 pH 计和玻璃/甘汞组合电极。
法律信息
Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
11 - Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
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