Orange II, pure, certified

Supplier: Thermo Scientific Chemicals
Danger

Synonyms: Tropaeolin OOO-2, acid orange 7, acid orange A, D and C Orange No. 4, 4-(2-Hydroxy-1-naphthylazo)benzenesulphonic acid sodium salt, Orange II sodium salt, p-(2-Hydroxy-1-naphthylazo)benzenesulphonic acid sodium salt, Gold orange

41656-0250 41656-1000
TS41656-0250EA 34 USD
TS41656-0250 TS41656-1000
Orange II, pure, certified
Orange II
Formula: C₁₆H₁₁N₂NaO₄S
MW: 350.32 g/mol
Melting Pt: 164 °C
Storage Temperature: Ambient
MDL Number: MFCD00011657
CAS Number: 633-96-5

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Specification Test Results

Appearance Orange to dark orange-red Powder
Infrared spectrum Conforms
Dye content ≥85 %
UV Lambda max 480 to 486 nm (c=0.01 g/l, H2O)
Absorption Ratio P-15/P+15 0.93 to 0.98
BSC Certification Pass

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