Tris(hydroxymethyl)aminomethane

SIAL/252859 - ACS reagent, ≥99.8%

Synonym: 2-Amino-2-(hydroxymethyl)-1,3-propanediol; THAM; Tris base; Trometamol

CAS Number: 77-86-1
Empirical Formula (Hill Notation): C₄H₁₁NO₃
Molecular Weight: 121.14
EC Number: 201-064-4
MDL Number: MFCD00004679
Linear Formula: NH₂C(CH₂OH)₃
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-252859-100G	100 g	$56.30 1/EA	Add To Favorites
45-252859-500G	500 g	$138.00 1/EA	Add To Favorites

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This image depicts SKU: 252859-100G

Properties
Descriptions
Safety Info.
Basic Data

absorption	passes test
assay	≥99.8%
	99.8-100.1%
bp	219-220 °C/10 mmHg (lit.)
cation traces	Fe: ≤5 ppm
	heavy metals: ≤5 ppm (ICP)
form	crystalline
grade	ACS reagent
impurities	≤0.005% insolubles
	≤2% water
InChI	1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI key	LENZDBCJOHFCAS-UHFFFAOYSA-N
mp	167-172 °C (lit.)
pKa (25 °C)	8.1
Quality Level	200
SMILES string	NC(CO)(CO)CO
useful pH range	7-9

Application:	Tris(hydroxymethyl)aminomethane has been used as a buffer solution for lactate dehydrogenase assay, in situ hybridization procedure and protein extraction from cells.
General description:	Tris(hydroxymethyl)aminomethane is mainly required for preparation of buffers at physiological range of 7.3 to 7.5. The prepared buffers are compatible with biological fluids. It is of importance to laboratories as a standard pH solution.
Other Notes:	Easily compare specifications for Trizma products with the Trizma specification table .
Packaging:	100, 500 g in poly bottle

RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99.8%; 99.8-100.1%
bp	219-220 °C/10 mmHg (lit.)
mp	167-172 °C (lit.)
UNSPSC	12352104

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