Thermo Scientific Chemicals Phenol Red, Indicator

Description

This Thermo Scientific Chemicals 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 Chemicals.

Indicator

Specifications

Chemical Identifiers

• CAS: 143-74-8
• Molecular Formula: C19H14O5S
• Molecular Weight (g/mol): 354.38
• MDL Number: MFCD00003552
• InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N
• Synonym: Phenolsulfonephthalein
• PubChem CID: 4766
• ChEBI: CHEBI:31991
• SMILES: OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

• Melting Point: >300.0°C
• Beilstein: 19, 91
• Merck Index: 15, 7360
• Solubility Information: Solubility in water: 0.77g/L. Other solubilities: soluble in ethanol
• Infrared Spectrum: Authentic
• IUPAC Name: 4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
• Formula Weight: 354.38
• Grade: Pure
• Packaging: Glass bottle
• Specific Extinction: 1700 (558nm, in buffer) (E (1% min./1cm))
• Visual Transition Interval: from pH 6.8 (yellow) to pH 8.2 (red)
• Color: Beige/Brown to Gray
• Quantity: 5 g
• Physical Form: Crystalline Powder, Crystals, Flakes and/or Chunks
• Chemical Name or Material: Phenol Red

Safety and Handling

Product Identifier

• Phenol Red

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H335-May cause respiratory irritation.

Precautionary Statement

• P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Supplemental information

• MIXTURE LIST-Contains : Phenolsulfonphthalein

RUO – Research Use Only