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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Nitrosylsulphuric acid
EC Number:
231-964-2
EC Name:
Nitrosylsulphuric acid
CAS Number:
7782-78-7
Molecular formula:
HNO5S
IUPAC Name:
hydroxy(nitrosooxy)sulfane dioxide

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Nitrosylsulfuric acid 40%
  • SS, Nitrosyl 40
  • Compositions

    Boundary Composition(s)

    Legal Entity Composition(s) open all close all

    State Form:
    liquid
    Degree of purity:
    >= 38.5 - <= 40.5 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Nitrosylsulphuric acid
    EC Number:
    231-964-2
    EC Name:
    Nitrosylsulphuric acid
    CAS Number:
    7782-78-7
    Molecular formula:
    HNO5S
    IUPAC Name:
    hydroxy(nitrosooxy)sulfane dioxide
    Additive 1
    Chemical structure
    Reference substance name:
    Sulphuric acid
    EC Number:
    231-639-5
    EC Name:
    Sulphuric acid
    CAS Number:
    7664-93-9
    Molecular formula:
    H2O4S
    IUPAC Name:
    sulfuric acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Nitrosylsulphuric acid
    EC Number:
    231-964-2
    EC Name:
    Nitrosylsulphuric acid
    CAS Number:
    7782-78-7
    Molecular formula:
    HNO5S
    IUPAC Name:
    hydroxy(nitrosooxy)sulfane dioxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Nitrosylsulphuric acid
    EC Number:
    231-964-2
    EC Name:
    Nitrosylsulphuric acid
    CAS Number:
    7782-78-7
    Molecular formula:
    HNO5S
    IUPAC Name:
    hydroxy(nitrosooxy)sulfane dioxide

    Composition(s) generated upon use

    Other types of composition(s)