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93359

Sigma-Aldrich

TES

BioUltra, ≥99.5% (calc. based on dry substance, T)

Sinonimo/i:

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

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About This Item

Formula empirica (notazione di Hill):
C6H15NO6S
Numero CAS:
7365-44-8
Peso molecolare:
229.25
Beilstein:
1957061
Numero CE:
230-906-3
Numero MDL:
MFCD00007532
Codice UNSPSC:
12161700
ID PubChem:
57653539
NACRES:
NA.25

Nome Commerciale

BioUltra

Saggio

≥99.5% (calc. based on dry substance, T)

Forma fisica

powder

Impurezze

insoluble matter, passes filter test

Residuo alla calcinazione

≤0.1% (as SO4)

Perdita

≤0.5% loss on drying, 110 °C

pH

3.5-5.0 (25 °C, 1 M in H2O)

Intervallo di pH utile

6.8-8.2

pKa (25 °C)

7.5

Punto di fusione

~225 °C (dec.)

Solubilità

H2O: 1 M at 20 °C, clear, colorless

Anioni in tracce

chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤50 mg/kg

Cationi in tracce

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

Assorbanza UV

λ: 260 nm Amax: 0.055
λ: 280 nm Amax: 0.045

Stringa SMILE

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)
JOCBASBOOFNAJA-UHFFFAOYSA-N

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Applicazioni

TES is a physiological Good′s buffer (pH 74.-7.9) used in biological research applications. It is often compared to other Good′s buffers for chemistry and optimal performance in a given system.

Altre note

Hydrogen ion buffer for biological research; Suitable buffer for epidermal cell growth at pH 7.4-7.9 where additional buffering capacity is required

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (COA)

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H. Hammar et al.
Epidermis Dis., Proc. Eur. Soc. Dermatol. Res. Symp. 1979, 243-243 (1981)
G M Randall et al.
Gastroenterology, 96(5 Pt 1), 1274-1281 (1989-05-01)
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