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Product Name

 MAGNESON I AR [4-(4-NITRO PHENYLAZO)-RESORCINOL]

Article No

 M0127900100

CAS No

 74-39-5

Molecular Formula

 C12H9N3O4

Molecular Weight

 259.22

Specifications

Appearance:

 Red powder

Loss on dryig (at 110°C):

 Max 8%

Ash content:

 Max 0.5%

Sensitivity:

 Detects min 1 ppm Mg

Absorption maxima (methanol + 1 ml of 0.1 N NaOH):

 439 - 445 nm