Diammonium trisulfide

Structural formula
General
Surname	Diammonium trisulfide
other names	Ammonium polysulfide
Molecular formula	(NH 4 ) 2 S 3
Brief description	clear, yellow to reddish liquid with a rotten egg smell
External identifiers / databases
EC number	235-512-5
ECHA InfoCard	100.032.271
PubChem	72720462
Wikidata	Q1208635
properties
Molar mass	132.25 g mol −1
Physical state	liquid
safety instructions
H and P phrases	H: 314-400
	EUH: 031
	P: ?
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Diammonium trisulfide is a chemical compound from the group of ammonium salts and inorganic polysulfides .

Extraction and presentation

Diammonium trisulfide can be obtained by reacting sulfur with ammonium hydrogen sulfide .

{\ displaystyle \ mathrm {2 \ (NH_ {4}) SH + 2 \ S \ rightarrow (NH_ {4}) _ {2} S_ {3} + H_ {2} S}}

properties

Diammonium trisulfide is one of the ammonium sulfides, which also include ammonium sulfide and ammonium hydrogen sulfide. It is a clear yellow to reddish liquid with a rotten egg smell.

use

Diammonium polysulphide is used as an analytical chemical (for the detection of cyanides ), in the Willgerodt reaction and as an insecticide. It used to be used in stink bombs , but in Germany stink bombs based on ammonium sulphide, ammonium hydrogen sulphide and ammonium polysulphides are prohibited according to § 3 of the Consumer Goods Ordinance .

Individual evidence

↑ ^a ^b ^c Hazardous Substance Fact Sheet of Ammonium polysulfide , January 2010.
^ Entry on diammonium trisulfide in the GESTIS substance database of the IFA , accessed on August 8, 2016(JavaScript required) .
↑ entry on ammonium polysulfide; Ammonium sulfide ((NH ₄ ) ₂ (S _x )) in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on January 5, 2020. Manufacturers or distributors can expand the harmonized classification and labeling .
↑ Patnaik: Handbook of Inorganic Chemical Compounds ; ISBN 978-0-07-049439-8 .
↑ Appendix 1 to Section 3 of the Consumer Goods Ordinance

[DAPS-1] Hazardous Substance Fact Sheet of Ammonium polysulfide , January 2010.

[GESTIS-2] Entry on diammonium trisulfide in the GESTIS substance database of the IFA , accessed on August 8, 2016(JavaScript required) .

[CLP_100.029.978-3] try on ammonium polysulfide; Ammonium sulfide ((NH ₄ ) ₂ (S _x )) in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on January 5, 2020. Manufacturers or distributors can expand the harmonized classification and labeling .

[HB-4] Patnaik: Handbook of Inorganic Chemical Compounds ; ISBN 978-0-07-049439-8 .

[5] Appendix 1 to Section 3 of the Consumer Goods Ordinance