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
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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.)
