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Product:
Tris (Hydroxymethyl) Aminomethane
Formula:
C4H11NO3
CAS No.:
77-86-1
Product No.:
SP1127
Package:
25Kg/Drum or in terms of customer's requirements.

Physicochemical Properties

White crystal or powder. Melting point 171-172℃, boiling point 219-220℃/1.3kPa, soluble in ethanol and water, slightly soluble in ethyl acetate, benzene, insoluble in ether, carbon tetrachloride,copper,aluminum corrosion effects,irritant.

 

Specification

ITEM

SPECIFICATION

RESULT

Appearance

White crystalline powder

Confirmed

Assay,%

≥99.5

99.8

MP,℃

168.0-171.0

169.5-170.6

Solubility(40% aq.)

Clear, colorless solution

Confirmed

Heavy Metals, ppm

≤5

Confirmed

Water Content,%

≤0.2

0.16

PH value(5% aq.)

10.0-11.5

10.9

Iron ion,ppm

≤1

Confirmed

Sulfate,ppm

≤10

Confirmed

Chloride,ppm

≤3

Confirmed

Ultraviolet absorbance(40% aq)

≤0.07

0.055

Ultraviolet absorbance(40% aq)

≤0.02

0.004

Infrared spectrum

Conforms to reference

Confirmed

 

Applications and Usages

1, Tris buffer, only nucleic acids and proteins are widely used as solvents.
2, Tris is used for protein crystal growth under different pH conditions.
3, Tris buffer having a low ionic strength can be used nematode (C. elegans) is formed lamin (lamin) intermediate fibers.
4, Tris is a major component of protein electrophoresis buffer.
5, Tris for the preparation of a surfactant, a vulcanization accelerator, and some drug intermediates.
6, Tris titrated also used as standard.