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CAS Number


Natriumhydrogensulfit (HNaO3S)

Compound Descriptions:

Structure Drawing
Element System:H-Na-O-S
Element Names:Hydrogen, Oxygen, Sodium, Sulfur
Molecular Weight:104.061 g/mol
Sulfurous acid, monosodium salt
Hydrogen sulfite sodium
Monosodium sulfite
Sodium acid sulfite
Sodium bisulfite
Sodium bisulfite (NaHSO3)
Sodium bisulphite
Sodium hydrogen sulfite
Sodium sulfite (NaHSO3)
sodium hydrogensulfite
sodium hydrogensulphite
Sodium bisulfite (1:1)
Sodium bisulfite, (solid)
Sodium metabisulfite
Sodium sulfite, NaHSO3
Sodium sulhydrate
Schweflige Säure Mononatrium-Salz
Natriumhydrogensulfit ... %
sodium hydrogensulphite ... %
sodium bisulphite ... %
E 222
CAS-RN:7631-90-5, 57414-01-4, 69098-86-8, 89830-27-3, 91829-63-9
EINECS:231-548-0 EINECS2
Classification:no charge; 2fragments; ionic

European Regulations

3 matching entries in european regulations: Hazard, GHS, ECHA-pre

Derivatives / Analogues

Derivativeacid: Sulfurous acid 
Analogueother chalcogen: Selenious acid monosodium salt 

Landolt-Börnstein Citations:

Mechanical Properties

 Inorganic substances - water: NaNO2 - RbNO3: Vol. IV/1b 1.2:300, p.87 (mix)IV/1b


Short: IV/1b
Title: Densities of Liquid Systems: Densities of Binary Aqueous Systems and Heat Capacities of Liquid Systems
Author: D'Ans, J.; Surawski, H.; Synowietz, C.
Editor: Schäfer, Kl.
Source: Landolt-Börnstein, New Series
Volume: IV/1b
Year: 1977
ISBN: 3-540-08272-7
ISBN: 978-3-540-08272-9
Internet Resource: DOI:10.1007/b20004
RefComment: 62 figs., VII, 335 pages. Hardcover
Abstract: Volume IV/1 contains information on the densities of liquid systems. It may be considered as a supplement to volume II/1 of the 6th Edition, which contains only a few data on nonaqueous systems. Data are not listed for all systems but primarily for those of greater interest where data for a larger range of concentrations were available.
Short: EINECS2
Title: Corrigendum to the Commission communication pursuant to Article 13 of Council Directive 67/548/EEC of 27 June 1967 on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances, as amended by Directive 79/831/EEC - Einecs (European inventory of existing commercial chemical substances)
Source: Official Journal of the European Communities
Volume: C 54 (01.03.2002)
Page: 13-27
Year: 2002
Publish_Date: 2002/03/01

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