[A12232] CAS 74-39-5 | 4-(4-Nitrophenylazo)resorcinol, 90+% | Alfa
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Brand: Alfa Aesar
74-39-5 | C12H9N3O4 | azo violet
Chemical Identifiers
CAS
74-39-5
Molecular Weight (g/mol)
259.22
Synonym
azo violet
SMILES
OC1=CC(=O)C=CC1=NNC1=CC=C(C=C1)[N+]([O-])=O
InChI Key
BIFFKKLAAIGZBV-UHFFFAOYSA-N
Molecular Formula
C12H9N3O4
IUPAC Name
3-hydroxy-4-[2-(4-nitrophenyl)hydrazin-1-ylidene]cyclohexa-2,5-dien-1-one
Specifications
Form
powder
lambda-max (UV-Vis)
550 – 560nm (c=0.5, 1M NaOH)
Appearance (Color)
Red to dark red
Assay (HPLC)
> 90.0%
설명
It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.
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
It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.
It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.
Solubility
Soluble in dilute sodium hydroxide. Insoluble in water.
Notes
Store in cool, dry place in a tightly sealed container. Store away from oxidizing agent.
Other References:
Merck Index:14,5695Beilstein:674709
GHS Hazard and Precautionary Statements
Hazard Statements:H315-H319-H335
GHS H StatementH315-H319-H335 Causes 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:YesRTECS Number:VH2810000
경고:RUO – Research Use Only
CAS74-39-5FORMULAC12H9N3O4EINECS200-808-5MDLMFCD00007310
| Pakage | 100g, 25g, 500g |
|---|---|
| brand | Alfa Aesar |
