The provided litmus blue indicator papers are used to determine the acidity or basicity of a solution. Offered papers are impregnated with a mixture of dyes that change color depending on the p h of the solution being tested. The cas number 3822.9090 refers to a subheading of the harmonized system 

The provided Methyl Orange (also known as C.I. Acid Orange 52 or MO) is an azo dye commonly used as a pH indicator. Its chemical formula is C14H14N3NaO3S, and its CAS number is 547-58-0.\015\012Molecular weight: 327.33 g/mol\015\012Melting point: 122-124 \302\260C\015\012Solubility: soluble in water

Litmus Red Indicator Paper 109489 is a type of pH indicator paper that is used to determine the acidity or alkalinity of a solution.\015\012Type: pH indicator paper\015\012Color: Red\015\012pH Range: 5.0 to 8.0\015\012Sensitivity: 0.2 pH units\015\012Dimensions: 7.5 cm x 1.3 cm\015\012Quantity: 100

Appearance: Thin paper strips or discs impregnated with a solution of starch and potassium iodide\015\012Color: White or light yellow when dry, blue-black when wet\015\012Sensitivity: Detects the presence of free iodine in solutions at concentrations as low as 0.01%\015\012Hazard Class: Not hazardou

We are instrumental in trading a qualitative range of Ph Indicator Paper including Cynor Litmus Blue Indicator Paper CAS No 3822.9090, Cynor Methyl Orange Ph Indicator AR 547-58-0, Cynor Litmus Red Indicator Paper 109489 etc.

CYNOR LABORATORIES - Manufacturer of Ph Indicator Paper, Potassium Iodide Powder, Ferric Chloride Chemical from Ankleshwar, Gujarat, India.

Cynor Laboratories - Ph Indicator Paper (4)

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Cynor Litmus Blue Indicator Paper CAS No 3822.9090

Cynor Methyl Orange Ph Indicator AR 547-58-0

Cynor Litmus Red Indicator Paper 109489

Cynor Starch Indicator Papers CAS No 7732-18-5