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RDD009

Trizma® hydrochloride

anhydrous, free-flowing, Redi-Dri™, ≥99.0%

Synonym(s):

TRIS HCl, TRIS hydrochloride, Tris(hydroxymethyl)aminomethane hydrochloride, Tromethane hydrochloride

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About This Item

Linear Formula:
NH2C(CH2OH)3 · HCl
CAS Number:
Molecular Weight:
157.60
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
EC Number:
214-684-5
Beilstein/REAXYS Number:
3675235
MDL number:
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grade

anhydrous

Quality Segment

product line

Redi-Dri™

assay

≥99.0%

form

powder

quality

free-flowing

impurities

≤0.5% water (Karl Fischer)

color

white

useful pH range

7.0-9.0

pKa (25 °C)

8.1

mp

150-152 °C

solubility

H2O: soluble, clear, colorless

absorption

≤0.05 at 290 nm at 40%

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

Other Notes

The pH values of all buffers are temperature and concentration dependent. For Tris buffers, pH increases about 0.03 unit per °C decrease in temperature, and decreases 0.03-0.05 unit per ten-fold dilution. For precise applications, use a carefully calibrated pH meter with a glass/calomel combination electrode.

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany

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This Item
T3253T666693363
description

anhydrous, free-flowing, Redi-Dri™, ≥99.0%

description

reagent grade, ≥99.0% (titration), crystalline

description

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

description

BioUltra, Molecular Biology, ≥99.0% (AT)

grade

anhydrous

grade

reagent grade

grade

-

grade

Molecular Biology

assay

≥99.0%

assay

≥99.0% (titration)

assay

≥99.0% (titration)

assay

≥99.0% (AT)

Quality Level

100

Quality Level

400

Quality Level

400

Quality Level

200

product line

Redi-Dri™

product line

-

product line

BioXtra

product line

BioUltra

form

powder

form

crystalline

form

powder

form

powder or crystals

solubility

H2O: soluble, clear, colorless

solubility

H2O: soluble, clear, colorless

solubility

H2O: 0.5 M, clear, colorless

solubility

H2O: 4 M at 20 °C, clear, colorless


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Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable



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