C₁₅H₁₅N₃O₂
Acid Red 2
M.W: 269,31  CAS: 493-52-7  EC: 207-776-1  TARIC: 29270000

P: P102-P202  

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

• Appearance Dark red to maroon to violet or purple powder or crystals
• Transition range pH 4.4 – 6.2
• Red to yellow orange
• Absorption maximum ?_1max (pH 4.5) 523 – 526nm
• Absorption maximum ?_1max (pH 6.2) 427 – 437nm
• Loss on drying ? 5.0%

[/expand]

C₂₀H₁₄O₄
M.W: 318,32  TARIC: 38229000

UN: 1230  IMDG: 3 (6.1) II UN 1230  ADR: 3 (6.1) II UN 1230 (D/E)  IATA: 3 (6.1) II UN 1230  

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

• Transition range pH 8 – 10
• colourless to red-violet
• Concentration 0.194 – 0.2006%
• Sensitivity Passes test

[/expand]

C₁₂H₈N₂·H₂O
o-Phenanthroline
M.W: 198,22  CAS: 5144-89-8  EC: 200-629-2   TARIC: 29339980
EC INDEX: 613-092-00-8   
UN: 2811  IMDG: 6.1 III UN 2811  ADR: 6.1 III UN 2811 (E)  IATA: 6.1 III UN 2811  H: H301;H400;H410  P: P264;P270;P273;P301+P310;P330;P391;P405;P501  

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

• Appearance White crystals or crystalline powder
• Assay ? 99.0%
• Identity (IR) Conforms
• Melting range 97 – 102°C
• Sensitivity to Fe 1:10000000 (Passes ACS test)
• Residue on roasting (SO₄) ? 0.05%
• Suitability (as a redox indicator) Passes ACS test

[/expand]

C₁₄H₁₄N₃NaO₃S
Gold orange, Helianthine, Orange III
M.W: 327,34   CAS: 547-58-0  EC: 208-925-3  TARIC: 29270000

UN: 3143  IMDG: 6.1 III UN 3143  ADR: 6.1 III UN 3143 (E)  IATA: 6.1 III UN 3143  H: H301  P: P264;P270;P301+P310;P330;P405;P501  

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

• Transition range pH 3.1 – 4.4
• Transition Red to yellow-orange

[/expand]