[A17135] Phenolphthalein, 98% | Alfa
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Brand: Alfa Aesar
| C20H14O4 | phenolphthalein evac-Q-kwik purgen Lilo euchessina fenolftaleina feen-a-mint gum alophen evac-u-gen laxcaps
Chemical Identifiers
CAS
77-09-8
Molecular Weight (g/mol)
318.33
Synonym
phenolphthalein evac-Q-kwik purgen Lilo euchessina fenolftaleina feen-a-mint gum alophen evac-u-gen laxcaps
SMILES
OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
InChI Key
KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula
C20H14O4
IUPAC Name
3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
Specifications
Appearance (Color)
White to cream
Assay (HPLC)
≥97.5%
Color Change
Colorless to pink @ pH 8.2
Identification (FTIR)
Conforms
lambda-max (UV-Vis)
550-555nm (0.1M NaOH)
설명
Phenolphthalein is widely used as an indicator in acid-base titrations, water treatment applications. Due to its pH sensitivity, It is used to the check extent of carbonation in concrete, soap and in toys as diapering work. It is used in Kastle-Meyer test, which identifies the substances containing blood.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications
Phenolphthalein is widely used as an indicator in acid-base titrations, water treatment applications. Due to its pH sensitivity, It is used to the check extent of carbonation in concrete, soap and in toys as diapering work. It is used in Kastle-Meyer test, which identifies the substances containing blood.
Phenolphthalein is widely used as an indicator in acid-base titrations, water treatment applications. Due to its pH sensitivity, It is used to the check extent of carbonation in concrete, soap and in toys as diapering work. It is used in Kastle-Meyer test, which identifies the substances containing blood.
Solubility
Soluble in alcohol. Slightly soluble in dimethyl sulfoxide and insoluble in benzene or hexane.
Notes
Acid-base indicator: pH 8.0 – 10.0.Incompatible with strong oxidizing agents.
Other References:
Merck Index:14,7243Beilstein:284423
GHS Hazard and Precautionary Statements
Hazard Statements:H341-H351-H361f-H373
GHS H StatementH350-H341-H361May cause cancer.Suspected of causing genetic defects.Suspected of damaging fertility or the unborn child.
Precautionary Statements:P201-P202-P260-P281-P308+P313-P501c
Risk & Safety
TSCA:YesRTECS Number:SM8380000
경고:RUO – Research Use Only
CAS77-09-8FORMULAC20H14O4EINECS201-004-7MDLMFCD00005913
| Pakage | 1000g, 250g, 50G |
|---|---|
| brand | Alfa Aesar |
