Skip to Content
Merck
CN

Key Documents

View All Documentation

T6541

TES

BioXtra, ≥99.5% (titration)

Synonym(s):

2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonic acid, N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid, TES free acid

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C6H15NO6S
CAS Number:
7365-44-8
Molecular Weight:
229.25
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
24900386
EC Number:
230-906-3
Beilstein/REAXYS Number:
1957061
MDL number:
MFCD00007532
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

product line

BioXtra

assay

≥99.5% (titration)

form

powder

impurities

Insoluble matter, passes filter test

ign. residue (900°C)

≤0.1% (as SO4)

loss

≤1% loss on drying, 110°C

pH

3.5-5.0 (20 °C, 1 M in H2O)

useful pH range

6.8-8.2

pKa (25 °C)

7.5

mp

~225 °C (dec.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤0.005%, sulfate (SO42-): ≤0.005%

cation traces

Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.001%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.02%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.01%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%

absorption

≤0.045 at 280 in H2O at 1 M, ≤0.055 at 260 in H2O at 1 M

SMILES string

OCC(CO)(CO)NCCS(O)(=O)=O

InChI

1S/C6H15NO6S/c8-3-6(4-9,5-10)7-1-2-14(11,12)13/h7-10H,1-5H2,(H,11,12,13)

InChI key

JOCBASBOOFNAJA-UHFFFAOYSA-N

Still not finding the right product?

Explore all of our products under TES

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
081M5409
081M5409V
096K5456
069K4799
125H5737

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

W J Holmgren et al.
Journal of in vitro fertilization and embryo transfer : IVF, 6(4), 207-212 (1989-08-01)
Penetration of zona-free hamster oocytes by human spermatozoa after preincubation with BWW medium (standard technique) or a buffer system containing egg yolk (TESTY) was compared by applying both treatments to aliquots of 60 ejaculates from 34 patients. The TESTY-treated spermatozoa
Yikang Wu et al.
Organic letters, 4(13), 2141-2144 (2002-06-21)
[reaction: see text] In DMSO cleavage of triethylsilyl (TES) ethers by o-iodoxybenzoic acid (IBX) was significantly faster than cleavage of tert-butyldimethylsilyl (TBS) ethers or further oxidation into carbonyl compounds. In most cases, TES protecting groups could be removed in good
R H Martin et al.
Biology of reproduction, 47(2), 268-270 (1992-08-01)
Human sperm karyotypes can be prepared after fusion of human sperm with Golden hamster oocytes. Most laboratories use one of two methods of sperm capacitation: incubation of freshly-ejaculated sperm in Biggers, Whitten, and Whittingham (BWW) medium for 5-7 h at
View All Related Papers

Global Trade Item Number

SKUGTIN
T6541-25G04061833613979
T6541-100G04061833613962