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4-(2-Pyridylazo)resorcinol_Molecular_structure_CAS_1141-59-9)
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4-(2-Pyridylazo)resorcinol

Catalog No. 82970 Name Sigma Aldrich
CAS Number 1141-59-9 Website http://www.sigmaaldrich.com
M. F. C11H9N3O2 Telephone 1-800-521-8956
M. W. 215.20806 Fax
Purity ≥95.0% (CHN) Email
Storage Chembase ID: 104572

SYNONYMS

Title
4-(2-吡啶偶氮)间苯二酚
IUPAC name
4-[2-(pyridin-2-yl)diazen-1-yl]benzene-1,3-diol
IUPAC Traditional name
4-[2-(pyridin-2-yl)diazen-1-yl]benzene-1,3-diol
Synonyms
PAR

DATABASE IDS

MDL Number MFCD00006256
PubChem SID 24888070
EC Number 214-528-6
CAS Number 1141-59-9
Beilstein Number 184665

PROPERTIES

Empirical Formula (Hill Notation) C11H9N3O2
Ignition Residue ≤0.4%
Purity ≥95.0% (CHN)
Purity ≥95.0%
Quality for the spectrophotometric det. of Hg, indicator for complexometric titration
Melting Point 192-202 °C(lit.)
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36
German water hazard class 3

DETAILS

Description (English)
General description
Visit our Titration Center to learn more.
Other Notes
Indicator in complexometry; reagent for the extraction and spectrophotometric determination of many transition metals1
Description (简体中文)
General description
请访问 滴定中心 了解更多信息。
Other Notes
络合滴定法的指示剂;用于萃取和分光光度法检测多种过渡金属的试剂1

REFERENCES