ORANGE GL

Description

ORANGE GL · CAS 71351-99-0 · C16H12N2O. UNII 48I7IBB68J. Melting Point: 268 to 271 °F (NTP, 1992); Melting Point: 134 °C; Vapor Pressure: 0.00000007 [mmHg].

Identification

CAS Registry Number	71351-99-0
PubChem CID	13297
Molecular formula	C16H12N2O
IUPAC name	1-phenyldiazenylnaphthalen-2-ol
UNII (FDA)	48I7IBB68J

Computed Descriptors

Molecular Weight	248.28
XLogP3	4.1
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	2
Exact Mass	248.094963011
Monoisotopic Mass	248.094963011
Topological Polar Surface Area	45
Heavy Atom Count	19
Formal Charge	0

Physical & Chemical Properties

Melting Point	268 to 271 °F (NTP, 1992)
Melting Point	134 °C
Vapor Pressure	0.00000007 [mmHg]
LogP	5.86
Ionization Efficiency	4.69
Ionization Efficiency	2.7
Ionization Efficiency	MeCN (80%)
Ionization Efficiency	DOI:10.1007/s13361-016-1563-2

Physical description & handling notes

• C.i. solvent yellow 14 appears as dark reddish-yellow leaflets or orange powder. Slight odor. (NTP, 1992)
• Brick-red solid; [HSDB]
• BRICK-RED CRYSTALS (LEAFLETS FROM ETHANOL)
• greater than 212 °F at 760 mmHg (sublimes) (NTP, 1992)
• less than 0.1 mg/mL at 64 °F (NTP, 1992)
• SOL IN ETHANOL, ACETONE, ETHER & BENZENE; INSOL IN WATER

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetics ingredient -> Colorant

GHS Hazard Classification

Reported hazard statements	H317, H341, H351, H413, H373

Documented Uses

• Used as a dye for hydrocarbon solvents, oils, fats, waxes, shoe and floor polishes, gasoline, soap, colored smokes, cellulose ether varnishes, and styrene resins; [HSDB]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• DYE FOR HYDROCARBON SOLVENTS, OILS, FATS, WAXES, SHOE & FLOOR POLISHES, GASOLINE, SOAP, COLORED SMOKES, CELLULOSE ETHER VARNISHES, & STYRENE RESINS
• Cosmetics product ingredient: CI Solvent Yellow 14
• Information on 3 consumer products that contain C.I. Solvent Yellow 14; 1-phenylazo-2-naphthol in the following categories is provided:
• COUPLING OF DIAZOTIZED ANILINE WITH 2-NAPHTHOL

Synonyms

842-07-9; C.I. Solvent Yellow 14; 1-(Phenylazo)-2-naphthalenol; Sudan Orange RA; Grasal Orange; Calcogas M; Orange Pel; Ceres Orange R; Soudan I; Sudan Orange R; Pyronalorange; Carminaph; Dunkelgelb; Fat Orange I; Fat Orange RS; Fettorange lg

Frequently Asked Questions

What are the CAS number and molecular formula of ORANGE GL?

CAS 71351-99-0; molecular formula C16H12N2O; molecular weight — g/mol.

What other names is ORANGE GL known by?

842-07-9, C.I. Solvent Yellow 14, 1-(Phenylazo)-2-naphthalenol, Sudan Orange RA, Grasal Orange, Calcogas M.

What is the regulatory status of ORANGE GL?

Documented regulatory listings: CIR / INCI: Cosmetics ingredient -> Colorant.

Is ORANGE GL classified as hazardous?

Hazard statements reported: H317, H341, H351, H413, H373.

What are the key physical properties of ORANGE GL?

Melting Point: 268 to 271 °F (NTP, 1992); Melting Point: 134 °C; Vapor Pressure: 0.00000007 [mmHg]; LogP: 5.86.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.