Neutral red (C.I. 50040), Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart
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LC4238 Neutral red (C.I. 50040)

indicator and for microbiology

 

Order number Packaging Quantity Price €
AC31238 Glass bottle 25 g 55.8
AC31238 Glass bottle 100 g 203.4

 

Product information
Hill Formula C15H17ClN4
HS Code 3204 13 00
EC number 209-035-8
Molar mass 288.78 g/mol
CAS number 553-24-2

 

Chemical and physical data
Solubility 50 g/l (25 °C)
Molar mass 288.78 g/mol
Bulk density 350 – 500 kg/m3
pH value 3.1 (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
Dye content (spectrophotometrically) ≥ 75 %
Identity (UV/VIS-Spectrum) passes test
Transition range pH 6.8 – pH 8.0 Violet red – orange yellow
Absorption maximum λ max (ethanol 50 %) 540 – 543 nm
Absorption maximum λ 1 (buffer pH 6.8) 514 – 519 nm
Absorption maximum λ 2 (buffer pH 8.0) 452 – 455 nm
Spec. Absorptivity A 1%/1cm
– λ7m7ax; 0.005 g/l; ethanol 50 %
1180 – 1610
– λ17m7ax; 0.0015 %; buffer pH 6.8; calc. on dried substances 425 – 575
– λ27m7ax; 0.0015 %; buffer pH 8.0; calc. on dried substances 395 – 535
TLC-Test passes test
Loss on drying (110 °C) ≤ 18 %
Suitability for microbiology passes test

 

Neutral red (C.I. 50040),  Laboratory chemicals, Laboratory Chemicals manufacturer, Laboratory chemicals india, Laboratory Chemicals directory, elabmart