CAS No. 553-24-2
C.I.No. 50040
Chemical Formula C15H17ClN4
Molecular Weight 288.78
Melting Point 290° c
Dye Content ~60%
Absorption Max (EtOH 50%) 539 - 544 nm
Absorptivity(1%,1cm) >900 (on dry basis)
Transition Range pH 6.8 - 8.0
Red - Orange
Loss On Drying (110° c.) < 8%

Also available Neutral Red with dye content  75 % and 90 %

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Product Identification

Synonyms: Phenazine, 3-amino-7-(dimethylamino)-2-methyl-,hydrochloride; CI 50040; Neutral red certified; Basic red
CAS No.: 553-24-2
Molecular Weight: 288.78
Chemical Formula: C15H16N4.HCL

Physical and Chemical Properties

Appearance: Dark green crystals.
Odor: No information found.
Solubility: Soluble in water with red color.
Specific Gravity: No information found.
pH: No information found.
% Volatiles by volume @ 21C (70F): 0
Boiling Point: No information found.
Melting Point: 290C (554F) Decomposes.
Vapor Density (Air=1): No information found.
Vapor Pressure (mm Hg): No information found.
Evaporation Rate (BuAc=1):No information found

Transport Information

Not regulated.


It must be recognised that the physical and chemical properties of any product may not be fully understood and that new, possibly hazardous products may arise from reactions between chemicals. The information given in this data sheet is based on our present knowledge and shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship.

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