2-Nitroso-1-naphthol

CAS 132-53-6ONC10H6OHChemical Synthesis

2-Nitroso-1-naphthol (CAS: 132-53-6), with the molecular formula ONC₁₀H₆OH and a molecular weight of 173.17 g/mol, is a distinctive nitroso compound. It primarily functions as a versatile intermediate and building block in organic synthesis. Its applications extend to the preparation of various organic compounds and as a reagent in analytical chemistry, particularly for the detection of cobalt. TSS offers this chemical with a 95% assay.

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2-Nitroso-1-naphthol (ONC10H6OH) — chemical structure, CAS 132-53-6; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisNitrogen CompoundsNitroso CompoundsOrganic Building Blocks

01 /Applications

Organic Synthesis Intermediate

Serves as a crucial building block in the synthesis of more complex organic molecules. Its nitroso group offers specific reactivity for various chemical transformations.

Analytical Reagent

Used as a selective reagent for the gravimetric and colorimetric determination of cobalt. It forms characteristic complexes with metal ions, facilitating their analysis.

Dye and Pigment Precursor

Can be utilised in the synthesis pathway for certain dyes and pigments, leveraging its naphthol and nitroso functionalities.

02 /Properties

Molecular weight	173.17
Linear formula	ONC10H6OH
Assay	95%
Melting point	150-155 °C (dec.)(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

132-53-6

MDL number

MFCD00003932

PubChem substance

24847190

Beilstein registry

1867919

05 /Additional specifications

Colour Index Number	10010

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is 2-Nitroso-1-naphthol used for?

2-Nitroso-1-naphthol (CAS: 132-53-6) is primarily used as an intermediate in organic synthesis and as an analytical reagent for the determination of cobalt.

What are the CAS number and formula for 2-Nitroso-1-naphthol?

The CAS number is 132-53-6 and the linear formula is ONC₁₀H₆OH.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2-Nitroso-1-naphthol with an assay of 95%. We do not represent this product as USP, BP, or EP grade.

What are the safety and handling requirements for 2-Nitroso-1-naphthol?

This compound is classified with GHS07 symbol and a 'Warning' signal word, with hazards H315, H319, and H335. Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle with care to avoid dust formation and inhalation.