4-(2-Pyridylazo)resorcinol

SIAL/323209 - 96%

Synonym: PAR

CAS Number: 1141-59-9
Empirical Formula (Hill Notation): C₁₁H₉N₃O₂
Molecular Weight: 215.21
EC Number: 214-528-6
MDL Number: MFCD00006256
Linear Formula: C₁₁H₉N₃O₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-323209-5G	5 g	$184.00 1/EA		Add To Favorites
45-323209-25G	25 g	$797.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

application(s)	diagnostic assay manufacturing hematology histology
assay	96%
color	brown-red
composition	Carbon: 58.6-64.2% Nitrogen: 18.6-20.4%
form	powder
InChI	1S/C11H9N3O2/c15-8-4-5-9(10(16)7-8)13-14-11-3-1-2-6-12-11/h1-7,15-16H/b14-13+
InChI key	RJNYNDHYSJRRDW-BUHFOSPRSA-N
mp	192-202 °C (lit.)
Quality Level	200
SMILES string	Oc1ccc(N=Nc2ccccn2)c(O)c1
storage temp.	room temp
technique(s)	titration: suitable

Application:	4-(2-Pyridylazo)resorcinol (PAR) serves as a metallochromic indicator and is suitable as a chromogenic agent for the quantitative determination of over 50 elements.
General description:	4-(2-Pyridylazo)resorcinol (PAR) is a monosodium salt(1), dibasic acid that forms the protonated complexes with most metal ions.
Packaging:	5, 25 g in glass bottle

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	96%
mp	192-202 °C (lit.)
Storage Temp.	room temp
UNSPSC	12171500

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