Dihydrazinium sulfate

Structural formula
General
Surname	Dihydrazinium sulfate
other names	Dihydrazonium sulfate; Hydrazine hemisulfate;
Molecular formula	(N 2 H 5 ) 2 SO 4
Brief description	white solid with a sweet odor
External identifiers / databases
EC number	236-688-6
ECHA InfoCard	100.033.339
PubChem	26043
ChemSpider	24257
Wikidata	Q22289659
properties
Molar mass	162.19 g mol −1
Physical state	firmly
Melting point	85 ° C (according to other sources 104 ° C)
solubility	very easily soluble in water (2020 g l −1 at 20 ° C) and ethanol
safety instructions
H and P phrases	H: 301-311-331-317-350-410
	P: 201-261-273-280-301 + 310-311
Toxicological data	200 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 .

Dihydrazinium sulfate is an inorganic chemical compound from the group of hydrazine salts .

Extraction and presentation

Dihydrazinium sulfate can be obtained by reacting hydrazine with sulfuric acid.

properties

Dihydrazinium sulphate is a hygroscopic, crystalline, white to naturally white solid with a sweetish odor, which is very easily soluble in water. It decomposes when heated above 180 ° C, producing ammonia , hydrogen and hydrazine . The compound has a monoclinic crystal structure with the space group P 2 ₁ / c (space group no. 14) . Template: room group / 14

use

Dihydrazinium sulfate is used as a raw material for the production of copper dihydrazinium sulfate (a fungicide ).

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h Entry on dihydrazinium sulphate in the GESTIS substance database of the IFA , accessed on April 3, 2020(JavaScript required) .
↑ ^a ^b ^c Rune Liminga, Jan-Olof Lundgren u. a .: Hydrogen Bond Studies. 8. The Crystal Structure of Dihydrazinium Sulphate, (N ₂ H ₅ ) ₂ SO ₄ . In: Acta Chemica Scandinavica. 19, 1965, p. 1612, doi : 10.3891 / acta.chem.scand.19-1612 .
↑ Richard Wegler: Chemistry of pesticides and pesticides Volume 2: Fungicides · Herbicides · Natural · Plant growth substances · Residue problems . Springer-Verlag, 1970, ISBN 978-3-7091-4184-7 , p. 48 ( limited preview in Google Book search).

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h Entry on dihydrazinium sulphate in the GESTIS substance database of the IFA , accessed on April 3, 2020(JavaScript required) .

[DOI10.3891/acta.chem.scand.19-1612-2] Rune Liminga, Jan-Olof Lundgren u. a .: Hydrogen Bond Studies. 8. The Crystal Structure of Dihydrazinium Sulphate, (N ₂ H ₅ ) ₂ SO ₄ . In: Acta Chemica Scandinavica. 19, 1965, p. 1612, doi : 10.3891 / acta.chem.scand.19-1612 .

[Richard_Wegler-3] Richard Wegler: Chemistry of pesticides and pesticides Volume 2: Fungicides · Herbicides · Natural · Plant growth substances · Residue problems . Springer-Verlag, 1970, ISBN 978-3-7091-4184-7 , p. 48 ( limited preview in Google Book search).