Molecule structure of C.I. Pigment Yellow 1 (CAS NO.2512-29-0):

IUPAC Name: (2E)-2-[(4-Methyl-2-nitrophenyl)hydrazinylidene]-3-oxo-N-phenylbutanamide 
Molecular Weight: 340.33334 g/mol
Molecular Formula: C₁₇H₁₆N₄O₄ 
Density: 1.3 g/cm³ 
Boiling Point: 546.5 °C at 760 mmHg
Flash Point: 284.3 °C
Index of Refraction: 1.62
Molar Refractivity: 91.95 cm³
Molar Volume: 261.5 cm³
Polarizability: 36.45×10^-24 cm³
Enthalpy of Vaporization: 82.56 kJ/mol 
Vapour Pressure: 5.35E-12 mmHg at 25 °C
XLogP3: 3.9
H-Bond Donor: 2
H-Bond Acceptor: 6
Rotatable Bond Count: 5
Tautomer Count: 20
Exact Mass: 340.117155
MonoIsotopic Mass: 340.117155
Topological Polar Surface Area: 114
Heavy Atom Count: 25
Complexity 537
Canonical SMILES: CC1=CC(=C(C=C1)NN=C(C(=O)C)C(=O)NC2=CC=CC=C2)[N+](=O)[O-]
Isomeric SMILES: CC1=CC(=C(C=C1)N/N=C(\C(=O)C)/C(=O)NC2=CC=CC=C2)[N+](=O)[O-]
InChI: InChI=1S/C17H16N4O4/c1-11-8-9-14(15(10-11)21(24)25)19-20-16(12(2)22)17(23)18-13-6-4-3-5-7-13/h3-10,19H,1-2H3,(H,18,23)/b20-16+
InChIKey: HNGMNLLISLJGIA-CAPFRKAQSA-N
EINECS: 219-730-8
Product Categories: Dyes and Pigments;Organics

 C.I. Pigment Yellow 1 (CAS NO.2512-29-0) is mainly used in printing paste inks and coatings and can also be used for coloring plastics and paints.

 C.I. Pigment Yellow 1 (CAS NO.2512-29-0) is also named as ADC Pigment Yellow G ; AI3-30763 ; Accosperse Hansa Yellow G ; Brazil Yellow X 2866 ; Burma Yellow X 1622 ; Butanamide, 2-((4-methyl-2-nitrophenyl)azo)-3-oxo-N-phenyl- ; C.I. 11680 ;Calcotone Hansa Yellow ; Carnelio Yellow G ; Chromatex Yellow J ; Dainichi Fast Yellow G ; Eljon Fast Yellow GN-GX ; Eljon Fast Yellow PV Extra ; Ext D and C Yellow No. 5 ; Fast Yellow J ; Fast Yellow JT ; Fastona Yellow G ; Fastona Yellow G Transparent ; Graphtol Yellow 4813-0 ; Graphtol Yellow GL ; HSDB 6142 ; Hancock Yellow 1008 ; Hansa Yellow GAD ; Hansa Yellow GT ; Hansa Yellow S 3155 ; Hansa Yellow Toner G YA-8365 ; Hansa Yellow ; Toner G-ya 8365 ; Helio Fast Yellow GN ; Isol Aryl Yellow G transp ; Isol Aryl Yellow gx ; Isol Fast Yellow G ; Isol Fast Yellow G transp ; Kromon Yellow G ; Monolite Fast Yellow GNA ; Permanent Yellow G ; Permanent Yellow G Toner ; Siegle Yellow G ; Siegle Yellow GTR transparent ; Silopol Yellow G ; Silosol Yellow GN ; Siloton Yellow GCL ; Symuler Fast Yellow GH ; Syton Fast Yellow G ; Tertropigment Yellow G ; Toluidine Yellow ; Toluidine Yellow AH 175 ; Transa Flo Yellow ; Versal Yellow G ; Vulcafix Yellow 4J ; Yellow Pigment G ; alpha-(o-Nitro-p-tolylazo)acetoacetanilide . C.I. Pigment Yellow 1 (CAS NO.2512-29-0) is easily dispersed yellow powder. It can be dissolved in ethanol, acetone and other organic solvents by heating. It has fast and good heat resistance, acid and alkaline poor and not the role of hydrogen sulfide.