SPADNS AR

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SPADNS AR Specification

Other Names
SPADNS Dye Spectrophotometric Indicator

Solubility
Soluble in water

Ph Level
Neutral to slightly acidic in aqueous solutions

Refractive Rate
Not available

Molecular Formula
C10H6N3NaO7S2

Melting Point
Decomposes before melting

Poisonous
No

Storage
Store in a dry cool place away from light

Taste
Tasteless

Shape
Crystalline Powder

Smell
Odorless

Molecular Weight
373.28 g/mol

Purity
98%

HS Code
2927.00.90

Density
1.45 Gram per cubic centimeter(g/cm3)

Structural Formula
Notated as a pyridylazo-based aromatic compound

Form
Solid

Classification
Indicator Reagent

Chemical Name
Sodium 4-(2-Pyridylazo)resorcinol-36-disulphonate

CAS No
3768-72-1

EINECS No
223-289-7

Grade
Analytical Reagent (AR)

Standard
ACS ISO

Type
Synthetic Chemical

Usage
Used as a spectrophotometric reagent for fluoride determination

Main Material
4-(2-Pyridylazo)resorcinol (PAR)

Application
Water quality testing spectrophotometric analysis

About SPADNS AR

SPADNS AR is a high-quality Analytical Reagent (AR) in the form of crystalline powder, mainly used as an indicator reagent for water quality testing and spectrophotometric analysis. This non-toxic compound, having a molecular formula of C10H6N3NaO7S2, is soluble in water and is widely known for its purity of 98%. Its main material, 4-(2-Pyridylazo)resorcinol (PAR), ensures accurate spectrophotometric results for fluoride determination. Stored in a dry, cool place away from light, this odorless and tasteless product is a go-to solution for various applications in the chemical industry.