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1.08382

Millipore

Tris(hydroxymethyl)aminomethane

GR for analysis buffer substance ACS,Reag. Ph Eur

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Synonym(s):
2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Trometamol
Linear Formula:
NH2C(CH2OH)3
CAS Number:
Molecular Weight:
121.14
Beilstein:
741883
MDL number:
EC Index Number:
201-064-4

grade

ACS reagent

Quality Level

Agency

reag. Ph. Eur.

vapor pressure

0.0267 hPa ( 20 °C)

form

solid

potency

>5000 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rat)

pH

10.2-10.6 (20 °C, 6 g/L in H2O)

useful pH range

7-9

pKa (25 °C)

8.1

bp

219-220 °C/10 mmHg (lit.)
219-220 °C/13.3 hPa

mp

167-172 °C (lit.)

solubility

678 g/L

density

1.35 g/cm3 at 23 °C

bulk density

840 kg/m3

storage temp.

15-25°C

SMILES string

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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This Item
2528591.024081.08387
Tris(hydroxymethyl)aminomethane GR for analysis buffer substance ACS,Reag. Ph Eur

1.08382

Tris(hydroxymethyl)aminomethane

-
Tris(hydroxymethyl)aminomethane ACS reagent, ≥99.8%

252859

Tris(hydroxymethyl)aminomethane

Essential Grade
Tris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

1.02408

Tris(hydroxymethyl)aminomethane

-
Tris(hydroxymethyl)aminomethane TRIS LAB

1.08387

Tris(hydroxymethyl)aminomethane

-
Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

100

form

solid

form

crystalline

form

solid

form

solid

storage temp.

15-25°C

storage temp.

-

storage temp.

15-25°C

storage temp.

15-25°C

solubility

678 g/L

solubility

-

solubility

678 g/L

solubility

678 g/L

pH

10.2-10.6 (20 °C, 6 g/L in H2O)

pH

-

pH

10.2-10.6 (20 °C, 6 g/L in H2O)

pH

10.2-10.6 (20 °C, 6 g/L in H2O)

General description

Biological buffer substance
Tris is widely used as a biological buffer substance in the pH range of 7-9. For example it is used for the freezing of proteins. The grade conforms precisely with the Reag. Ph. Eur. requirements.
GR for analysis buffer substance ACS,Reag. Ph Eur

Application

Tris(hydroxymethyl)aminomethane GR for analysis buffer substance ACS,Reag. Ph Eur. CAS 77-86-1, EC 201-064-4, chemical formula H₂NC(CH₂OH)₃.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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