1-Nitronaphthalene
- CAS NO.:86-57-7
- Empirical Formula: C10H7NO2
- Molecular Weight: 173.17
- MDL number: MFCD00003913
- EINECS: 201-684-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:07:02
What is 1-Nitronaphthalene?
Chemical properties
yellow crystalline solid
The Uses of 1-Nitronaphthalene
1-Nitronaphthalene as a nitroaromatic compound is studied for mutagenicity, as nitroaromatics are used in everyday products from polmers, dyes to drugs.
The Uses of 1-Nitronaphthalene
Usually used to study excited state dynamics of 1-nitropthalene in nonpolar, aprotic and protic solvents.
Definition
ChEBI: A mononitronaphthalene substituted by a nitro group at position 1.
Production Methods
One method to product 1-Nitronaphthalene: Naphthalene is charged to sulfuric acid alternately with mixed acid at 40 – 50 ℃ over 8 h, with the final temperature being 55 ℃. The acid strength used allows the molten product to be separated as an oil and washed. Continuous operation at 50 – 60 ℃ with mixed acid (33/48/19) gives a comparable product. The crude reaction product is obtained in 90 – 95 % yield and is purified by vacuum distillation.
General Description
1-Nitronaphthalene is a mutagenic nitroaromatic compound present in diesel exhaust and it causes acute liver and lung toxicity in rodents. 1-Nitronaphthalene is a cytochrome P450-bioactivated, nonciliated bronchiolar epithelial (Clara) cell cytotoxicant .
Biochem/physiol Actions
1-Nitronaphthalene binds covalently to protein and forms adducts in the rat airway epithelium in vivo.
Safety Profile
Poison by intraperitoneal route. Mutation data reported. A skin, eye, and mucous membrane irritant. Flammable solid and combustible liquid when exposed to heat or flame. To fight fire, use CO2, dry chemical, or water spray. Explosive reaction with nitric acid + sulfuric acid above 60°C. Forms a sensitive explosive mixture with tetranitromethane. When heated to decomposition it emits toxic fumes of NOx. See also 2-NITRONAPHTHALENE and NITRO COMPOUNDS OF AROMATIC HYDROCARBONS.
Purification Methods
Fractionally distil 1-nitronaphthalene under reduced pressure, then crystallise it from EtOH, aqueous EtOH or heptane. Chromatograph it on alumina with *benzene/pet ether as eluent. It sublimes in vacuo. The 1:1 picrate complex has m 72o (from EtOH). [Beilstein 5 H 553, 5 III 1593, 5 IV 1673.]
Properties of 1-Nitronaphthalene
Melting point: | 56 °C |
Boiling point: | 304 °C(lit.) |
Density | 1.223 g/mL at 25 °C(lit.) |
refractive index | 1.5200 (estimate) |
Flash point: | 164 °C |
storage temp. | 2-8°C |
solubility | H2O: insoluble |
form | neat |
color | Light Yellow To Yellow |
Specific Gravity | 1.223 |
Water Solubility | 0.022 g/L |
Merck | 14,6613 |
BRN | 1867714 |
Stability: | Stable. Combustible. Incompatible with oxidizing agents, strong reducing agents. Mixtures with sulfuric or nitric acid are dangerous. |
CAS DataBase Reference | 86-57-7(CAS DataBase Reference) |
IARC | 3 (Vol. 46) 1989 |
NIST Chemistry Reference | Naphthalene, 1-nitro-(86-57-7) |
EPA Substance Registry System | 1-Nitronaphthalene (86-57-7) |
Safety information for 1-Nitronaphthalene
Signal word | Warning |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 Environment GHS09 |
GHS Hazard Statements |
H228:Flammable solids H302:Acute toxicity,oral H411:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
Computed Descriptors for 1-Nitronaphthalene
InChIKey | RJKGJBPXVHTNJL-UHFFFAOYSA-N |
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