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Disperse Orange 1

HCID 17414
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Basic information

CAS
2581-69-3
Standard SMILES
O=[N+]([O-])c1ccc(N=Nc2ccc(Nc3ccccc3)cc2)cc1
InChIKey
YFVXLROHJBSEDW-UHFFFAOYSA-N
Molecular formula
C18H14N4O2
Average molar mass
318.3 g/mol
Monoisotopic mass
318.1116757

Overview

See also: Disperse Orange 1 (annotation moved to).

Names & identifiers

Preferred name
Disperse Orange 1
IUPAC
4-[(4-nitrophenyl)diazenyl]-N-phenylaniline
English name
DISPERSE ORANGE 1
Molecular formula
C18H14N4O2
Molecular weight
318.33

Names & synonyms

Disperse Orange 12581-69-3Vonteryl Red 4GC.I. Disperse Orange 14-((4-nitrophenyl)diazenyl)-n-phenylaniline4-Anilino-4'-nitroazobenzeneAcetoquinone Light Orange 4RL4-((p-Nitrophenyl)azo)diphenylamine4-(4-Nitrophenylazo)diphenylamineCI 11080DISPERSEORANGE1Diphenylamine, 4-((p-nitrophenyl)azo)-
Show more names
DO1DO-1,DO1vonterylred4gDO1 (Standard)acetateorange5rpalanilorange5rrelitonorange5rresolinorange5rserisolorange5r
4-[(4-nitrophenyl)diazenyl]-N-phenylanilineBenzenamine, 4-((4-nitrophenyl)azo)-N-phenyl-Benzenamine, 4-[(4-nitrophenyl)azo]-N-phenyl-4-[2-(4-nitrophenyl)diazen-1-yl]-N-phenylaniline4-((4-Nitrophenyl)azo)-N-phenylanilineMFCD000073111592R4P97H4-(4-Nitrophenyl)azo-N-phenylaniline

Database identifiers

CAS
2581-69-3
PubChem CID
17414
DTXSID
DTXSID7062536
UNII
1592R4P97H
Nikkaji
J2.114.870I、J3.405.725G、J33.608D

Properties

Computed structural properties

XLogP
5.5
Topological polar surface area
82.6 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
5
Rotatable bonds
4
Heavy atoms
24
Formal charge
0
Complexity
415

Experimental & physicochemical properties

LogP5.07

Physicochemical properties

Melting point
160 °C · 160 °C
Boiling point
457.5 °C · 457.5°C (rough estimate)
Density
1.2846 · 1.2846 (rough estimate)
refractive index
1.67 · 1.6700 (estimate)
storage temp.
Refrigerator, under inert atmosphere
solubility
DMSO (Slightly, Sonicated), Methanol (Slightly, Sonicated)
Colour Index
11080 · 11080
form
Solid
pka
-0.6 · -0.60±0.40(Predicted)
color
Dark Purple to Very Dark Purple
Water Solubility
0.4775 ug/L · 0.4775ug/L(25 ºC)
Major Application
cleaning productscosmeticsenvironmentalfood and beveragespersonal care

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Safety data

F
10-21
PPE
Eyeshields, Gloves, type N95 (US)
wgk
3
tsca
TSCA listed
rtecs
JJ9700000
hs_code
32041100
risk_code
36/37/38-22
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xn
safety_code
37/39-26-24/25
Storage Class
11 - Combustible Solids
Hazard statements
H317
Precautionary statements
P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
Hazardous Substances Data
2581-69-3(Hazardous Substances Data)

Chemistry & industry

Applications

UsesDisperse orange 1 is a dye in terylene.

UsesDisperse Orange 1 is an azo disperse dye which is water insoluble. Disperse Orange 1 can be used to dye polyester and acetate fibers. Dyes and metabolites, Environmental Testing.

Upstream & downstream products

Upstream raw materials

Diphenylamine4-Nitroaniline

Related reactions

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Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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InChI
InChI=1S/C18H14N4O2/c23-22(24)18-12-10-17(11-13-18)21-20-16-8-6-15(7-9-16)19-14-4-2-1-3-5-14/h1-13,19H
InChIKey
YFVXLROHJBSEDW-UHFFFAOYSA-N
SMILES
C1(NC2=CC=CC=C2)=CC=C(N=NC2=CC=C([N+]([O-])=O)C=C2)C=C1
FDA UNII
1592 R4P97H · 1592R4P97H
EPA Substance Registry System
4 · Benzenamine, 4-[(4-nitrophenyl)azo]-N-phenyl- (2581-69-3)
UNSPSC Code
85151701 · 85151701
NACRES
24 · NA.24
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
317 · H317
Precautionary statements
261 · P261-P272-P280-P302+P352-P333+P313-P321-P363-P501
PPE
95 · Eyeshields, Gloves, type N95 (US)
Hazard Codes
Xn
Risk Statements
36 · 36/37/38-22
Safety Statements
37 · 37/39-26-24/25
WGK Germany
3 · 3
RTECS
9700000 · JJ9700000
F
10 · 10-21
TSCA
TSCA listed
HS Code
32041100 · 32041100
Storage Class
11 · 11 - Combustible Solids
Hazardous Substances Data
2581 · 2581-69-3(Hazardous Substances Data)