Solvent Yellow 7

Solvent Yellow 7^[1]
Names
	Preferred IUPAC name 4-(Phenyldiazenyl)phenol
	Other names 4-Hydroxyazobenzene ; Solvent Yellow 7 ; Simpsol Yellow
Identifiers
CAS Number	1689-82-3;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:82475;
ChEMBL	ChEMBL1525953;
ChemSpider	10296254;
ECHA InfoCard	100.015.346
EC Number	216-880-6;
KEGG	C19433;
PubChem CID	15529;
UNII	VX4306NSH1;
CompTox Dashboard (EPA)	DTXSID70942923 DTXSID3022160, DTXSID70942923 ;
	InChI InChI=1S/C12H10N2O/c15-12-8-6-11(7-9-12)14-13-10-4-2-1-3-5-10/h1-9,15H Key: BEYOBVMPDRKTNR-UHFFFAOYSA-N; InChI=1S/C12H10N2O/c15-12-8-6-11(7-9-12)14-13-10-4-2-1-3-5-10/h1-9,15H;
	SMILES C1=CC=C(C=C1)N=NC2=CC=C(C=C2)O;
Properties
Chemical formula	C12H10N2O
Molar mass	198.225 g·mol−1
Appearance	An orange solid
Melting point	155 °C (311 °F; 428 K)
Solubility in water	Slightly soluble in hot water
Solubility in other solvents	Soluble in ethanol, acetone
Acidity (pKa)	8.2 (from the hydroxyl group)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Irritant
Related compounds
Related compounds	Benzenediazonium chloride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Solvent Yellow 7 is an aromatic organic molecule and a common azo dye with a formula of C₆H₅N₂C₆H₄OH.^[3] It has a phenolic hydroxyl and an azo group in the same molecule.^[4]

^ "4-PHENYLAZOPHENOL". www.chemicalbook.com. Retrieved 2019-04-08.
^ Solomons, T.W Graham (2017). Organic chemistry (10 ed.). John Wiley and sons. p. 941. ISBN 978-1119248972. OCLC 973372285.
^ "4-Phenylazophenol - PubChem Compound - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2024-01-15.
^ "4-PHENYLAZOPHENOL | 1689-82-3". ChemicalBook. Retrieved 2024-01-15.

[1] "4-PHENYLAZOPHENOL". www.chemicalbook.com. Retrieved 2019-04-08.

[2] Solomons, T.W Graham (2017). Organic chemistry (10 ed.). John Wiley and sons. p. 941. ISBN 978-1119248972. OCLC 973372285.

[3] "4-Phenylazophenol - PubChem Compound - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2024-01-15.

[4] "4-PHENYLAZOPHENOL | 1689-82-3". ChemicalBook. Retrieved 2024-01-15.

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Names

Preferred IUPAC name 4-(Phenyldiazenyl)phenol
Other names 4-Hydroxyazobenzene Solvent Yellow 7 Simpsol Yellow
Identifiers
CAS Number	1689-82-3
3D model (JSmol)	Interactive image
ChEBI	CHEBI:82475
ChEMBL	ChEMBL1525953
ChemSpider	10296254
ECHA InfoCard	100.015.346
EC Number	216-880-6
KEGG	C19433
PubChem CID	15529
UNII	VX4306NSH1
CompTox Dashboard (EPA)	DTXSID70942923 DTXSID3022160, DTXSID70942923
InChI InChI=1S/C12H10N2O/c15-12-8-6-11(7-9-12)14-13-10-4-2-1-3-5-10/h1-9,15H Key: BEYOBVMPDRKTNR-UHFFFAOYSA-N InChI=1S/C12H10N2O/c15-12-8-6-11(7-9-12)14-13-10-4-2-1-3-5-10/h1-9,15H
SMILES C1=CC=C(C=C1)N=NC2=CC=C(C=C2)O
Properties
Chemical formula	C₁₂H₁₀N₂O
Molar mass	198.225 g·mol⁻¹
Appearance	An orange solid^[2]
Melting point	155 °C (311 °F; 428 K)
Solubility in water	Slightly soluble in hot water
Solubility in other solvents	Soluble in ethanol, acetone
Acidity (pK_a)	8.2 (from the hydroxyl group)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Irritant
Related compounds
Related compounds	Benzenediazonium chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Solvent Yellow 7

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