ChemicalBook--->CAS DataBase List--->2646-17-5

2646-17-5

2646-17-5 Structure

2646-17-5 Structure
IdentificationMore
[Name]

Solvent Orange 2
[CAS]

2646-17-5
[Synonyms]

1-[(2-methylphenyl)azo]-2-naphthol
1-(O-TOLYLAZO)-2-NAPHTHOL
CI 12100
FAT ORANGE RR
OIL ORANGE SS
ORANGE OT
O-TOLUENE-AZO-2-NAPHTHOL
SOLVENT ORANGE 2
1-((2-methylphenyl)azo)-2-naphthaleno
1-((2-methylphenyl)azo)-2-naphthalenol
1-(2-methylphenyl)azo)-2-naphthalenol
1-(o-tolyazo)-2-naphtho
1-(o-tolylazo)-2-naphtho
1-(o-tolylazo)-beta-naphthol
1-(o-tolylazo)-b-naphthol
1-[(2-methylphenyl)azo]-2-naphthaleno
1-[(2-methylphenyl)azo]-2-Naphthalenol
a.f.orangeno.2
abcoloilorange204
aforangeno2
[EINECS(EC#)]

220-162-8
[Molecular Formula]

C17H14N2O
[MDL Number]

MFCD00059523
[Molecular Weight]

262.31
[MOL File]

2646-17-5.mol
Chemical PropertiesBack Directory
[Appearance]

red needles or powder
[Melting point ]

124-126°C
[Boiling point ]

405.56°C (rough estimate)
[density ]

1.0823 (rough estimate)
[refractive index ]

1.5500 (estimate)
[storage temp. ]

Amber Vial, -20°C Freezer, Under inert atmosphere
[solubility ]

Chloroform (Slightly), Methanol (Slightly, Heated)
[Colour Index ]

12100
[form ]

neat
[pka]

13.52±0.50(Predicted)
[color ]

Red to Dark Red
[Stability:]

Stable. Combustible. Incompatible with strong oxidizing agents.
[Water Solubility ]

26.23ug/L(room temperature)
[BRN ]

8330630
[CAS DataBase Reference]

2646-17-5(CAS DataBase Reference)
[IARC]

2B (Vol. 8, Sup 7) 1987
[EPA Substance Registry System]

2646-17-5(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R40:Limited evidence of a carcinogenic effect.
[Safety Statements ]

S36:Wear suitable protective clothing .
S22:Do not breathe dust .
[WGK Germany ]

3
[RTECS ]

QL5425000
[TSCA ]

TSCA listed
[HS Code ]

2927.00.5000
[Safety Profile]

Confirmed carcinogen with experimental carcinogenic and neoplastigenic data. Poison by intravenous route. Mildly toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. Used to color cosmetics, varnishes, oils, fats and waxes, petroleum products.
[Hazardous Substances Data]

2646-17-5(Hazardous Substances Data)
Hazard InformationBack Directory
[General Description]

Red needles or orange powder. Sublimes above 374°F.
[Reactivity Profile]

OIL ORANGE SS(2646-17-5) is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
[Air & Water Reactions]

Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water.
[Fire Hazard]

Flash point data for this chemical are not available; however OIL ORANGE SS is probably combustible.
[Chemical Properties]

red needles or powder
[Uses]

1-o-Tolueneazo-2-naphthol is a potent cytochrome P-488 inducer. Dyes and metabolites.
[Definition]

ChEBI:Oil Orange SS is a member of azobenzenes.
[Preparation]

O-Methylaniline diazotization, and Naphthalen-2-ol coupling.
[Properties and Applications]

red orange. From the glacial acetic acid in the products crystallization for red crystal, its melting point is 131 ℃. Slightly soluble in ethanol for orange red solution, slightly soluble in acetone and benzene. In concentrated sulfuric acid to red light purple, dilution after big red, and the red precipitation; In concentrated nitric acid for red solution and then into orange. Dye alcohol solution with dilute hydrochloric acid, color slightly changed; With dilute sodium hydroxide solution for brown light orange. It is mainly used in oil product color, also used for ink and cultural and educational supplies coloring.
Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Good-General 128 90≥190

Sublimation

Insoluble No change No change
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

1-[(2-Methylphenyl)azo]-2-naphthol(2646-17-5).msds
Spectrum DetailBack Directory
[Spectrum Detail]

Solvent Orange 2(2646-17-5)1HNMR
Solvent Orange 2(2646-17-5)13CNMR
Solvent Orange 2(2646-17-5)IR1
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

2646-17-5(sigmaaldrich)
[TCI AMERICA]

Oil Orange SS(2646-17-5)
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