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10416

8-Anilino-1-naphthalenesulfonic acid ammonium salt

technical, ≥90% (NT)

Synonym(s):

1,8-ANS NH4, ANSA, Ammonium 8-anilino-1-naphthalenesulfonate, N-Phenyl peri acid

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100 g

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$178.00
500 g
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$604.00

About This Item

Linear Formula:
C16H13NO3S · NH3
CAS Number:
Molecular Weight:
316.37
UNSPSC Code:
12352106
NACRES:
NA.32
PubChem Substance ID:
EC Number:
249-265-6
Beilstein/REAXYS Number:
3581235
MDL number:
Assay:
≥90% (NT)
Form:
powder

$178.00


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grade

technical

Quality Segment

assay

≥90% (NT)

form

powder

color

, Green to Dark Green and Grey to Dark Grey and Green-Grey

solubility

NaOH: 1 N, H2O: soluble, methanol: soluble

fluorescence

λex 388 nm; λem 470 nm in 0.1 M Tris, 0.2 M KCl, pH 9.0, BSA

SMILES string

N.OS(=O)(=O)c1cccc2cccc(Nc3ccccc3)c12

InChI

1S/C16H13NO3S.H3N/c18-21(19,20)15-11-5-7-12-6-4-10-14(16(12)15)17-13-8-2-1-3-9-13;/h1-11,17H,(H,18,19,20);1H3

InChI key

IPBNQYLKHUNLQE-UHFFFAOYSA-N

Application

ANS forms an inclusion complex with cyclodextrin. Such model systems are useful to mimic biological recognition and can be studied by measuring the change in fluorescence of free-ANS to complexed-ANS. When ANS enters the hydrophobic core of cyclodestrin, it′s fluorescence increases . Utilized in the reagent phase of a sodium-selective fiber-optic sensor. The reagent phase also contains a copper(II) polyelectrolyte, which binds to ANSA in the absence of sodium and quenches the fluorescence. In the presence of sodium, ANSA forms a cationic complex creating ion-pairs, causing it to fluoresce . ANS is often incorporated into di-block polymers and can be released by changes in the local environment (i.e., temperature, pH, etc.) . ANS is commonly used as a fluorescence probe to investigate molecular assemblies of surfactants and amphiphilic polymers because a blue shift of the emission maximum indicates the fluorophore is located in less polar media . Fluorescent probe for protein studies using methodologies such as steady-state and dynamic fluorescence measurements .
Fluorescent probe for protein studies.

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This Item
10417A5144248614
description

technical, ≥90% (NT)

description

suitable for fluorescence, ≥97.0% (HPLC)

description

suitable for fluorescence, ≥95% (TLC)

description

ACS reagent, ≥98.0%

assay

≥90% (NT)

assay

≥97.0% (HPLC)

assay

≥95% (TLC)

assay

≥98.0%

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

solubility

NaOH: 1 N, H2O: soluble, methanol: soluble

solubility

methanol: soluble, H2O: soluble, NaOH: 1 N, H2O: 0.1 g/5mL, clear to very slightly hazy (hot), acetone: soluble

solubility

H2O: 50 mg/mL

solubility

-

form

powder

form

solid

form

powder

form

powder or crystals, chunks or granules

color

, Green to Dark Green and Grey to Dark Grey and Green-Grey

color

faint gray to gray

color

faint green to green

color

-

fluorescence

λex 388 nm; λem 470 nm in 0.1 M Tris, 0.2 M KCl, pH 9.0, BSA

fluorescence

λex 388 nm; λem 470 nm in 0.1 M Tris, 0.2 M KCl, pH 9.0, BSA

fluorescence

-

fluorescence

-


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Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves



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