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Product Name

 PYROGALLOL RED

Article No

 P0172700001

CAS No

 32638-88-3

Molecular Formula

 C19H12O8S

Molecular Weight

 400.04

Specifications

Appearance:

 Green to brown colored powder

Loss on dryig (at 135°C):

 Max 5%

Residue on ignition (as SO4):

 Max 1%

Absorption maxima in pyridine/water:

 540 - 546 nm