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Sigma-Aldrich

Tris Base

≥99.8%, solid

Synonym(s):

Tris Base, Tris(hydroxymethyl)aminomethane, 2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Trometamol

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About This Item

Linear Formula:
NH2C(CH2OH)3
CAS Number:
77-86-1
Molecular Weight:
121.14
Beilstein:
741883
EC Number:
201-064-4
MDL number:
MFCD00004679
UNSPSC Code:
12352116
PubChem Substance ID:
329753526

product name

Tris(hydroxymethyl)aminomethane, ≥99.8%

Assay

≥99.8%

form

solid

availability

available only in Japan

useful pH range

7-9

pKa (25 °C)

8.1

bp

219-220 °C/10 mmHg (lit.)

mp

167-172 °C (lit.)

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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Suitability

for electrophoresis

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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