Methyl Orange

pH 3.2 (red) to pH 4.4 (yellow). APHA, ASTM

CAS: 547-58-0 EC No: 208-925-3 MDL No: MFCD00007502 RTECS: DB6327000 UN No: UN3143; Haz Class: 6.1; Packing Group: III Crystalline/Powder Molecular Formula: C₁₄H₁₄N₃NaO₃S MW: 327.34 Melting Point: >300°

C₁₄H₁₄N₃O₃SNa CAS#: 547-58-0 F.W.: 327.34

Synonym(s): 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt, Acid Orange 52, Helianthin, Orange III Molecular Weight: 327.3 Molecular Formula: C₁₄H₁₄N₃O₃SNa Storage Condition: Room Temperature

ACS reagent, Dye content 85 % Synonym(s): 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt; Acid Orange 52; Helianthin; Orange III Amino Acid Sequence: Empirical Formula: C₁₄H₁₄N₃NaO₃S Formula Weight: 327.33 Linear…

Formula: 4-(CH₃)₂NC₆H₄N:NC₆H₄-4-SO₃Na Formula Weight: 327.34

pH 3.2 (red) to pH 4.4 (yellow). APHA, ACS RS

pH 3.2 (purple) to pH 4.2 (green), 0.1%/0.26%

Methyl Orange 0.1%, Xylene Cyanole 0.26% in Water

Methyl Orange Indicator Solution 0.50 g/L APHA

pH 3.2 (red) to pH 4.4 (yellow). APHA, ACS RS

Synonym(s): Acid Orange 52, C.I. 13025 Formula: C14H14N3NaO3S Formula weight: 327.34 CAS Number: 547-58-0 UN Number: UN3143 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2927.00 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

Synonym(s): Acid Orange 52, C.I. 13025 Formula: C14H14N3NaO3S Formula weight: 327.34 CAS Number: 547-58-0 UN Number: UN3143 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2927.00 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

for microscopy (Hist.), indicator (pH 3.0-4.4) Synonym(s): 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt; Acid Orange 52; Helianthin; Orange III Empirical Formula: C₁₄H₁₄N₃NaO₃S Formula Weight: 327.33 Linear Formula: …

indicator, Reag. Ph. Eur. Synonym(s): 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt; Acid Orange 52; Helianthin; Orange III Empirical Formula: C₁₄H₁₄N₃NaO₃S Formula Weight: 327.33 Linear Formula: …

C₁₄H₁₄N₃O₃S Na

Formula: C14H14N3NaO3S Formula weight: 327.34 Harmonized Tariff Code:  2927.00

…Number 1: 547-58-0 Density (g/cm3): 1.14 Chemical synonyms: 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid sodium salt; Acid Orange 52; Helianthin; Orange III Material category: Analytical Applications Material Group 1: Analytical Reagents Material Group 2: Other Indicators …

pH: 6 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.00 g/cm3 (20°C)