[B21623] CAS 4430-20-0 | Chlorophenol Red | Alfa
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Brand: Alfa Aesar
4430-20-0 | C19H12Cl2O5S | chlorophenol red
Chemical Identifiers
CAS
4430-20-0
Molecular Weight (g/mol)
423.26
Synonym
chlorophenol red
SMILES
OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1
InChI Key
WWAABJGNHFGXSJ-UHFFFAOYSA-N
Molecular Formula
C19H12Cl2O5S
IUPAC Name
3,3-bis(3-chloro-4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
Specifications
lambda-max (UV-Vis)
@ pH4.8: 435-442nm
Appearance (Color)
Brown to dark brown to dark red
Form
Crystals or powder or crystalline powder
Comment
Colour transition pH 4.8 (yellow / brown) to pH 6.4 (red/violet)
Loss on Drying
≤15%
설명
Used to detect chlorine dioxide in drinking water. Transition Interval: From pH 4.8 (yellow) to pH 6.7 (violet). Also used in transport studies of goldfish renal tubules.
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
Used to detect chlorine dioxide in drinking water. Transition Interval: From pH 4.8 (yellow) to pH 6.7 (violet). Also used in transport studies of goldfish renal tubules.
Used to detect chlorine dioxide in drinking water. Transition Interval: From pH 4.8 (yellow) to pH 6.7 (violet). Also used in transport studies of goldfish renal tubules.
Solubility
Soluble in water (30 mg/ml), ethanol (80 mg/ml), and methyl cellusolve (50 mg/ml).
Notes
Transition interval: pH 4.8 (yellow) to 6.4 (red)
Other References:
Beilstein:354053
GHS Hazard and Precautionary Statements
Hazard Statements:H315-H319-H335
GHS H StatementH315-H319-H335Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements:P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
Risk & Safety
TSCA:Yes
경고:RUO – Research Use Only
CAS4430-20-0FORMULAC19H12Cl2O5SEINECS224-619-2MDLMFCD00005877
| Pakage | 25g, 5g |
|---|---|
| brand | Alfa Aesar |
