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Tris Base, ULTROL® Grade

2-氨基-2-(羟甲基)-1,3-丙二醇

品牌
Millipore
CAS
77-86-1
货号
648311
规格纯度
Useful in the pH range of 7.0-9.0. Has a pKa of 8.1 at 25°C. Absorbance (1.0 M, H2O, 260 nm):0.05.
参考价格
2035.32 *本价格含增值税费
促销
数量
-+
产品介绍:

产品说明

一般描述

Absorbance (1.0 M, H2O, 260 nm): <0.05.
Widely used as a biological buffer (absorbance: <0.05 at 260 nm, 1.0 M, H2O). A 1.0 M solution in H2O has a pH range of 10.3-11.3 and a pKa of 8.3 at 20°C.
Useful in the pH range of 10.3-11.3. Has a pKa of 8.1 at 25°C.

包装

1 kg in Glass bottle
5, 25 kg in Fibre carton

警告

Toxicity: Irritant (B)

法律信息

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

线性分子式NH2C(CH2OH)3
分子量121.14
Beilstein741883
MDL编号MFCD00004679

产品性质

质量水平100
测定≥99% dry basis (titration)
形式crystalline solid
manufacturer/tradenameCalbiochem®
储存条件OK to freeze
颜色 white
有效pH范围7 - 9
pKa (25 ℃)8.1
bp219-220 ℃/10 mmHg (lit.)
mp167-172 ℃ (lit.)
溶解性water: 1 M
痕量阳离子heavy metals: ≤5 ppm
运输ambient
储存温度10-30℃
SMILES stringNC(CO)(CO)CO
InChI1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI keyLENZDBCJOHFCAS-UHFFFAOYSA-N

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable

Sigma-Aldrich

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