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1-Nitroso-2-naphthol

Basic Information

  • CAS No.: 131-91-9
  • Purity: 99%
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Details

Buy reliable Quality 1-Nitroso-2-naphthol 131-91-9 raw material with Honest Price

  • Molecular Formula: C10H7NO2
  • Molecular Weight: 173.171
  • Appearance/Colour: brown powder 
  • Vapor Pressure: 1.31E-05mmHg at 25°C 
  • Melting Point: 106-108 °C (dec.)(lit.) 
  • Refractive Index: 1.5200 (estimate) 
  • Boiling Point: 357.6 °C at 760 mmHg 
  • PKA: 7.87±0.10(Predicted) 
  • Flash Point: 170.1 °C 
  • PSA： 49.66000 
  • Density: 1.27 g/cm3 
  • LogP: 2.94330 

1-Nitroso-2-naphthol(Cas 131-91-9) Usage

Chemical Description

1-nitroso-2-naphthol is an organic compound with a nitroso group and a hydroxyl group attached to a naphthalene ring.

Safety Profile

Moderately toxic by ingestion.Many nitroso compounds are carcinogens. Ignites whenheated to 124°C. Mutation data reported. When heated todecomposition it emits toxic fumes of NOx.

Purification Methods

Crystallise the naphthol from pet ether (b 60-80o, 7.5mL/g). [Beilstein 7 H 712, 7 IV 2419.]

InChI:InChI=1/C10H7NO2/c12-9-6-5-7-3-1-2-4-8(7)10(9)11-13/h1-6,12H/p-1

131-91-9 Relevant articles

Effect of GO nanosheets on spectrophotometric determination of tyrosine in urine and serum using nitrosonaphthol

Nassef, Hossam M.,Hagar, Mohamed,Othman, Abdelhameed M.

, p. 12 - 18 (2018)

Here, we aimed to use graphene oxide to ...

Formation of mutagens by photochemical reaction of 2-naphthol in aqueous nitrite solution.

Suzuki,Watanabe,Suzuki

, p. 2204 - 2211 (1988)

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Purification method of 1-nitroso-2-naphthol

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Paragraph 0026; 0028; 0029; 0031; 0032; 0034; 0035; 0037, (2020/03/29)

The invention relates to a purification ...

Photochromism in spiroindolinonaphthoxazine dyes: Effects of alkyl and ester substituents on photochromic properties

Partington, Steven M.,Towns, Andrew D.

, p. 123 - 130 (2014/02/14)

The impact of substituents on the photoc...

NO2/H3BO3 as an effective nitrosonium source for electrophilic aromatic nitrosation under MW-promoted solvent-free conditions

Valizadeh, Hassan,Gholipour, Hamid

experimental part, p. 963 - 966 (2012/04/23)

[Bmim]NO2/H3BO3 was used as a nitrosoniu...

131-91-9 Process route

β-naphthol
135-19-3

β-naphthol

isocoumarin
491-31-6

isocoumarin

1-nitro-2-naphthol
550-60-7

1-nitro-2-naphthol

1,2-naphthoquinone
524-42-5

1,2-naphthoquinone

1-Nitroso-2-naphthol
131-91-9

1-Nitroso-2-naphthol

Conditions
Conditions Yield
With sodium nitrite; In methanol; water; at 25 ℃; Further byproducts given; Irradiation;
β-naphthol
135-19-3

β-naphthol

isocoumarin
491-31-6

isocoumarin

5-Nitro-2-naphthol
607-45-4

5-Nitro-2-naphthol

1-nitro-2-naphthol
550-60-7

1-nitro-2-naphthol

1-Nitroso-2-naphthol
131-91-9

1-Nitroso-2-naphthol

Conditions
Conditions Yield
With sodium nitrite; In methanol; water; at 25 ℃; Further byproducts given; Irradiation;

131-91-9 Upstream products

  • 135-19-3
    135-19-3

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  • 7732-18-5
    7732-18-5

    water

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    7697-37-2

    nitric acid

  • 1096-84-0
    1096-84-0

    bis(2-hydroxy-1-naphthyl)methane

131-91-9 Downstream products

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    111585-54-7

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    2-(4-nitro-anilino)-[1,4]naphthoquinone-4-(4-nitro-phenylimine)

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    655-86-7

    2,3-diaminephenazine

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