Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-, sodium salt (1:2)
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![Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-, sodium salt (1:2) structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220811/7f1ec96d2f2f46a48a3967301877998f.png "Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-, sodium salt (1:2)")
Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-, sodium salt (1:2)
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CAS No:
51023-76-8
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Formula:
C17H14N2O7S3.2Na
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Chemical Name:
Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-, sodium salt (1:2)
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Synonyms:
Benzenesulfonic acid,5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-,sodium salt (1:2);Benzenesulfonic acid,5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-,disodium salt;Disodium 4-acetamido-4′-isothiocyanatostilbene-2,2′-disulfonate;SITS
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CAS No:
Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-, sodium salt (1:2) Basic Attributes
498.46
497.960205
256-919-4
Characteristics
204.71000
4.59250
Yellow or tan-yellow powder
1.52g/cm3
>300°C (dec.)
soluble in water, methanol, dimethylsulfoxide
2-8°C
Safety Information
NONH for all modes of transport
3
22-36/37/38-42
22-26-36/37
Xn
Temperature sensitive - recommended storage at -20oC
P261-P284-P301 + P312 + P330-P304 + P340-P305 + P351 + P338-P342 + P311
H302-H315-H319-H334-H335
Benzenesulfonic acid, 5-(acetylamino)-2-[2-(4-isothiocyanato-2-sulfophenyl)ethenyl]-, sodium salt (1:2) Use and Manufacturing
A fluorescent label for the specific and reversible labelling of the outer components of the plasma membrane. The reagent reacts with a fixed number of sites on the surface of cells concerned with anion permeation; does not pass through the osmotic barrier of the membrane; reacts under physiological conditions of temperature, pH and tonicity; and is detectable in small amounts. SEE ALSO NOTES FOR DIDS (CAT#D460600).Fluorescence:max. Abs. l = 336nm, max. Em. l = 436 nm.
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