Reaches 100 Million Turn Over...

| Food Colour | Reactive Dyes | Laboratory Reagents |
| Pigment Powder | Acid Dyes | Direct Dyes |

Neutral Red

 

Neutral Red

SPECIFICATION SHEET   CAS No. 493-52-7 C.I.No. 13020 Chemical Formula C15H15N3O2 Molecular Weight 269.31 Melting Point 179 - 182º c Dye Content ~95% Absorption Max (pH4.5) 523-526 nm Absorption Max (pH6.2) 430-434 nm Absorption (1%,1cm) pH 4.5 > 1330 Absorption (1%,1cm) pH 6.2 >700 Transition Range   pH 4.2 - 6.2 Red - Yellow Loss On Drying (110º c) < 5%

Neutral Red - Laboratory Reagents  

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