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Lab Chemicals
Ammonium Salts
AMMONIUM SULPHIDE SOLUTION IN WATER
AMMONIUM SULPHIDE SOLUTION IN WATER EXTRA PURE
Ammonium hydrosulfide
Article No.
00028
Grade
EXTRA PURE
Purity
20%
CAS No.
12135-76-1
Molecular Formula
(NH
4
)
2
S
Molecular Weight
68.14
H.S. Code
2830.9010
Shelf Life
36 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Liquid
Colour
Clear Yellow
Odour
Ammonia odour
pH value
9.5 ( 45% aqueous solution)
Flash point [°C]
32.2 °C
Vapour pressure [20°C]
600 hPa at 20 °C
Density [g/cm3]
0.997
Solubility in water [% weight]
Infinitely soluble
Explosion limits - upper [%]
46%
Explosion limits -lower [%]
4%
Packings
500 ml
(00500)
2500 ml
(02500)
25 Liters
(0025K)
2500 ml
(02500)
2500 ml
(02500)
Specifications
Appearance
Faint green-yellow to green-yellow and faint yellow to dark yellow liquid with ammonical odour
Assay (as (NH4)2S)
Min. 20.0% w/v
Residue on ignition (at 800°C)
Max. 0.05%
Safety Information and Hazard Symbols
Symbol: GHS05, GHS02
Signal Word: Danger
UN No.: 2683
IMCO Class No.: 8, 3, 6.1
Packing Group: II
Hazardous Statement: H226-H314-H400
Precaution Statement: P273-P280-P305 + P351 + P338-P310
Revision Date :
12-Jul-2022