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Merck
CN

93359

Tris 乙磺酸

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

别名:

2-[[三(羟甲基)甲基]氨基]乙磺酸, N-三(羟甲基)甲基-2-氨基乙烷磺酸, TES 游离酸

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关于此项目

经验公式（希尔记法）:
C6H15NO6S
化学文摘社编号:
7365-44-8
分子量:
229.25
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
57653539
EC Number:
230-906-3
Beilstein/REAXYS Number:
1957061
MDL number:
MFCD00007532

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产品名称

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

InChI key

JOCBASBOOFNAJA-UHFFFAOYSA-N

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)

SMILES string

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

product line

BioUltra

assay

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

form

powder

impurities

insoluble matter, passes filter test

ign. residue

≤0.1% (as SO4)

loss

≤0.5% loss on drying, 110 °C

pH

3.5-5.0 (25 °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-): ≤500 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

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

UV absorption

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

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Application

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.

Other Notes

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

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCBZ5635
BCBR5343V
BCBQ6911V
BCBL5643V
BCBG9557V

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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)
Excellent clinical results have been reported with sclerotherapy for control of nonvariceal gastrointestinal hemorrhage. However, there are few controlled or comparative data on different sclerosing agents for treatment of lesions with active arterial bleeding or nonbleeding visible vessels. In a
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
M J Taylor et al.
The British journal of ophthalmology, 73(10), 781-791 (1989-10-01)
Preservation solutions for short-term storage of isolated donor corneas for use in penetrating keratoplasty have all been based on tissue culture medium, on the assumption that media designed to maintain the viability of cells at physiological temperatures will also provide
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
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