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J65538 8-Anilinonaphthalene-1-sulfonic acid ammonium salt, 98%

CAS Number
28836-03-5
Synonyms
1,8-ANS NH4
Ammonium 8-anilino-1-naphthalenesulfonate

Stock No. Size Price ($) Quantity Availability
J65538-06 5g 39.40
J65538-14 25g 119.00
J65538-22 100g 500.00
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8-Anilinonaphthalene-1-sulfonic acid ammonium salt, 98%

MDL
MFCD00012560
EINECS
249-265-6

Chemical Properties

Formula
C16H13NO3S.NH3
Formula Weight
316.37
Form
Crystalline powder
Melting point
242-244°
Storage & Sensitivity
Hygroscopic. Air Sensitive. Light Sensitive. Store under Nitrogen. Ambient temperatures.
Solubility
Soluble in water, 1N NaOH, and methanol.

Applications

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. It is commonly used to study molecular assemblies of surfactants and amphiphilic polymers because a blue shift of the emission maximum indicates the fluorophore is located in less polar media.

Notes

Light & Air Sensitive & Hygroscopic. Keep container tightly closed. Store in cool, dry conditions in well sealed containers.

Literature References

Neha Jain.; Mily Bhattacharya.; Samrat Mukhopadhyay. Kinetics of Surfactant-induced Aggregation of Lysozyme Studied by Fluorescence Spectroscopy. Journal of Fluorescence. 2011, 21, (2), 615-625.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319

Causes skin irritation. Causes serious eye irritation.

Precautionary Statements: P264b-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313-P362

Wash face, hands and any exposed skin thoroughly after handling Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse.

Other References

Beilstein
3581235
Harmonized Tariff Code
2921.45
TSCA
Yes

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