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Trizma^® 盐酸盐

Name: Trizma<SUP>®</SUP> 盐酸盐
Brand: SIGMA

pH 3.5-5.0 (0.5 M in H₂O), BioXtra, ≥99.0% (titration)

别名:

TRIS 盐酸盐, 三羟基甲基氨基甲烷盐酸盐, 三羟甲基氨基甲烷盐酸盐, 盐酸三甲胺

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关于此项目

线性分子式:

NH₂C(CH₂OH)₃ · HCl

化学文摘社编号:

1185-53-1

分子量:

157.60

UNSPSC Code:

12352104

NACRES:

NA.25

PubChem Substance ID:

24900398

EC Number:

214-684-5

Beilstein/REAXYS Number:

3675235

MDL number:

MFCD00012590

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属性

product line

BioXtra

Quality Segment

400

assay

≥99.0% (titration)

form

powder

impurities

Insoluble matter, passes filter test

ign. residue (900°C)

≤0.2% (as SO₄)

loss

≤0.2% loss on drying, 110°C

pH

3.5-5.0 (0.5 M in H₂O)

useful pH range

7.0-9.0

pKa (25 °C)

8.1

mp

150-152 °C

solubility

H₂O: 0.5 M, clear, colorless

anion traces

sulfate (SO₄^2-): ≤0.005%

cation traces

Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.001%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.005%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%

absorption

≤0.010 at 280 in H₂O at 0.5 M, ≤0.015 at 260 in H₂O at 0.5 M

application(s)

diagnostic assay manufacturing

SMILES string

Cl.NC(CO)(CO)CO

InChI

1S/C4H11NO3.ClH/c5-4(1-6,2-7)3-8;/h6-8H,1-3,5H2;1H

InChI key

QKNYBSVHEMOAJP-UHFFFAOYSA-N

说明

Other Notes

便于将 Trizma HCl 产品规格与 Trizma HCl 规格表进行比较。

所有缓冲液的pH值都与温度和浓度有关。对于 Tris 缓冲液，温度每降低 1°C，pH 就会增加约 0.03 单位，每稀释 10 倍，pH 会降低 0.03-0.05 单位。对于一些精准的应用，请使用经过仔细校准的pH计和玻璃/甘汞组合电极。

Legal Information

Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany

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存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c