Phenol red, ACS, 25 g

Key Features and Details

SYNONYMS: Phenolsulfonphthalein
CAS: # 143-74-8
MOLECULAR FORMULA: C19H14O5S
MOLECULAR WEIGHT: 354.38
BEILSTEIN REGISTRY No.: 326470
EC No: 205-609-7
MDL No: MFCD00003552
SKU 0215255425 Categories , , Tag

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PRODUCT DESCRIPTION

SPECIFICATIONS
SKU: 0215255425
Base Catalog Number: 15255425
Alternate Names: Phenolsulfonphthalein
Beilstein Registration No : 326470
CAS : # 143-74-8
EC No : 205-609-7
Extinction Coefficient : 31.62 (free acid, 0.1 M phosphate buffer, pH 7.66)
Grade : ACS
Hazard Statements : H315-H319-H335
MDL No : MFCD00003552
Molecular Formula : C19H14O5S
Molecular Weight : 354.38
pH : Visual Transition Interval: pH 6.8 (yellow) to pH 8.2 (red)
pKa : 7.9(Lit.)
PPE : Dust mask, Eyeshields, Gloves
Preparation Method : It is made by condensing two moles of phenol with one mole of o-sulfobenzoic acid anhydride.
RTECS No : SJ7490000
Safety Symbol : GHS07
Solubility : Soluble in water (3 mg/mL), ethanol (4 mg/mL), methanol or acetic acid. Readily soluble in alkaline solutions.
UV Visible Absorbance : ? max 360 nm; ? max 557 nm (2nd)(Lit.)
Vapor Pressure : Zero (Lit.)

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