Bis (hydroxylammonium) sulfate

Structural formula
General
Surname	Bis (hydroxylammonium) sulfate
other names	Hydroxylammonium sulfate
Molecular formula	(NH 3 OH) 2 SO 4
Brief description	colorless to white solid
External identifiers / databases
EC number	233-118-8
ECHA InfoCard	100.030.095
PubChem	10931771
Wikidata	Q416490
properties
Molar mass	164.14 g mol −1
Physical state	firmly
density	1.88 g cm −3
Melting point	> 120 ° C (decomposition)
solubility	easily in water (587 g l −1 at 20 ° C)
safety instructions
H and P phrases	H: 290-302-312-315-317-319-351-373-400
	EUH: 044
	P: 201-280-301 + 330 + 331-312-333 + 313-337 + 313
Toxicological data	642 mg kg −1 ( LD 50 , rat , oral )
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Bis (hydroxylammonium) sulfate is a chemical compound from the group of hydroxylammonium salts and sulfates .

Extraction and presentation

Bis (hydroxylammonium) sulfate can be obtained by an acid-base reaction of hydroxylamine with sulfuric acid.

{\ displaystyle \ mathrm {2 \ NH_ {2} OH + H_ {2} SO_ {4} \ longrightarrow (NH_ {3} OH) _ {2} SO_ {4}}}

properties

Bis (hydroxylammonium) sulfate is a colorless or white, water-soluble and hygroscopic solid. It is unstable at elevated temperatures and its aqueous solution is acidic.

use

Bis (hydroxylammonium) sulfate is used as a reducing agent in photography and dyeing, depilatory for hides and for cleaning aldehydes and ketones .

safety instructions

Bis (hydroxylammonium) sulfate is an explosive solid. In the event of impact or friction, heating or other ignition sources, it reacts with rapid decomposition, producing sulfur oxides, nitrogen oxides, hydroxylamine, ammonia and nitrogen.

{\ displaystyle \ mathrm {2 \ (NH_ {3} OH) _ {2} SO_ {4} \ longrightarrow 2 \ SO_ {3} + N_ {2} O + 2 \ NH_ {3} +5 \ H_ {2 } O}}

In Germany, hydroxylammonium sulfate is classified as an explosive substance in group C in accordance with the regulations of the Explosives Act.

Web links

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Entry on bis (hydroxylammonium) sulphate in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
↑ Entry on bis (hydroxylammonium) sulphate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on February 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .
↑ Toxicological assessment of hydroxylamine and its salts (PDF) from the professional association for raw materials and chemical industry (BG RCI), accessed on August 22, 2012.
^ Announcement of the new findings made by BAM since 1987 in accordance with § 2 SprengG pdf-Link .

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Entry on bis (hydroxylammonium) sulphate in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .

[CLP_100.030.095-2] Entry on bis (hydroxylammonium) sulphate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on February 1, 2016. Manufacturers or distributors can expand the harmonized classification and labeling .

[3] Toxicological assessment of hydroxylamine and its salts (PDF) from the professional association for raw materials and chemical industry (BG RCI), accessed on August 22, 2012.

[4] Announcement of the new findings made by BAM since 1987 in accordance with § 2 SprengG pdf-Link .