Naphthol green B (C.I. 10020), Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart
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LC4216 Naphthol green B (C.I. 10020)

indicator

 

Order number Packaging Quantity Price €
AC31216 Glass bottle 25 g

22.95

 

Product information
Synonyms Green acid 1
Hill Formula C30H15FeN3Na3O15S3
HS Code 3204 19 00
EC number 243-010-2
Molar mass 878.47 g/mol
CAS number 19381-50-1

 

Chemical and physical data
Solubility 160 g/l (20 °C)
Molar mass 878.47 g/mol
Bulk density 620 kg/m3
pH value 9.3 (10 g/l, H2O, 20 °C)

 

Safety information
Storage class 10 – 13 Other liquids and solids
WGK WGK 3 highly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Specifications
Identity (UV/VIS-Spectrum) passes test
Absorption maximum (water) 710 – 720 nm
Spec. Absorptivity A 1%/1cm (λ7m7ax; 0.005 %; water; calc. on dried substance) ≥ 100
Loss on drying (105 °C) ≤ 10 %

 

Naphthol green B (C.I. 10020), Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart