4-(4′-Hydroxyphenylazo)benzoic acid

ALDRICH/771058 - 97%

Synonym: (E)-4-[(4-Hydroxyphenyl)azo]benzoic acid

CAS Number: 105299-45-4
Empirical Formula (Hill Notation): C₁₃H₁₀N₂O₃
Molecular Weight: 242.23
MDL Number: MFCD00225268
Linear Formula: C₁₃H₁₀N₂O₃
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-771058-250MG	250 mg	$91.40 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	97%
form	solid
functional group	carboxylic acid
	hydroxyl
InChI	1S/C13H10N2O3/c16-12-7-5-11(6-8-12)15-14-10-3-1-9(2-4-10)13(17)18/h1-8,16H,(H,17,18)/b15-14+
InChI key	HLVCZTOFOWHIJZ-CCEZHUSRSA-N
mp	270-280 °C
Quality Level	100
reaction suitability	reagent type: cross-linking reagent
SMILES string	OC(C1=CC=C(/N=N/C2=CC=C(O)C=C2)C=C1)=O
storage temp.	2-8°C

Application:	4-(4′-Hydroxyphenylazo)benzoic acid may be used to synthesize 4-(4-propyloxyphenylazo)benzoic acid via Williamson synthesis by reacting with 1-bromopropane.
Application:	Azobenzene cleavable linker. Treatment with sodium dithionite (sodium hydrosulfite) reduces azo functionality, cleaving the N-N bond to yield two primary amines. Has been used in proteomic and affinity chromatography applications.
Packaging:	250 mg in amber glass bottle
Packaging:	50 mg in clear glass bottle

Symbol	GHS07
Signal word	Warning
Hazard statements	H302 - H319
Precautionary statements	P301 + P312 + P330 - P305 + P351 + P338
Hazard Codes	Xn
Risk Statements	22-36
Safety Statements	26
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	97%
mp	270-280 °C
Storage Temp.	2-8°C
UNSPSC	12352106

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