Thermo Scientific™ 4-(4-Anilinophenylazo)benzenesulfonic acid sodium salt, indicator grade

Brand:  Thermo Scientific™ 401260250

Product Code. 10006722

Description

This Thermo Scientific brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

Indicator

Specifications

• Chemical Name or Material: 4-(4-Anilinophenylazo)benzenesulfonic acid sodium salt
• Color: Ochre to Orange
• Molecular Formula: C18H14N3NaO3S
• Packaging: Glass bottle
• Synonym: orange iv, tropaeolin oo, orangeiv, acid orange 5, diphenylamine orange, tropaeolin, unii-vr8q3r288w, tropeolin oo, orange n, solar orange iv
• InChI Key: MLVYOYVMOZFHIU-UHFFFAOYSA-M
• IUPAC Name: sodium;4-[(4-anilinophenyl)diazenyl]benzenesulfonate
• PubChem CID: 23668839
• Physical Form: Powder
• Visual Transition Interval: from pH 1.4 (red) to pH 2.6 (yellow)

• CAS: 554-73-4
• Infrared Spectrum: Authentic
• MDL Number: MFCD00038130
• Merck Index: 15, 9955
• Quantity: 25g
• SMILES: [Na+].[O-]S(=O)(=O)C1=CC=C(C=C1)N=NC1=CC=C(NC2=CC=CC=C2)C=C1
• Molecular Weight (g/mol): 375.38
• Formula Weight: 375.38
• Grade: Extra Pure

Safety and Handling

Product Identifier

• 4-(4-Anilinophenylazo)benzenesulfonic acid sodium salt, indicator grade

Signal Word

• Warning

Hazard Category

• Acute toxicity Category 4

Hazard Statement

• H312-Harmful in contact with skin.
• H332-Harmful if inhaled.
• H302-Harmful if swallowed.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
• P302+P352-IF ON SKIN: Wash with plenty of water/.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.

RUO – Research Use Only