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Ammonium sulfide

Product Name
Ammonium sulfide
CAS No.
12135-76-1
Chemical Name
Ammonium sulfide
Synonyms
AMMONIUM SULPHIDE;AMMONIUM HYDROSULFIDE;NH4HS;AMMONIUM POLYSULPHIDE;Ammonium Sulfide Solution, colorless;FEMA 2053;Ammoniumsulfid;AMMONIUM SULFIDE;diammoniumsulfide;Ammonium bisulfide
CBNumber
CB6151876
Molecular Formula
H8N2S
Formula Weight
68.14
MOL File
12135-76-1.mol
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Ammonium sulfide Property

Melting point:
decomposes [HAW93]
Boiling point:
40 °C
Density 
1 g/mL at 25 °C
vapor pressure 
600 hPa at 20 °C
refractive index 
n20/D 1.467
FEMA 
2053 | AMMONIUM SULFIDE
Flash point:
90 °F
storage temp. 
room temp
solubility 
Very soluble in water, almost insoluble in alcohol and oils.
pka
3.42±0.70(Predicted)
form 
Liquid
Specific Gravity
1.2
color 
Yellow to orange
Odor
Ammonia odour
PH Range
9.5 ( 45% aqueous solution)
Odor Type
sulfurous
explosive limit
4-46%
Water Solubility 
Miscible with water, alcohol and liquid ammonia.
Merck 
13,560
Stability:
Stable. Pure material is highly flammable - note wide explosion limits. Incompatible with strong oxidizing agents, strong acids, copper, brass, bronze, strong bases, zinc, aluminium.
InChIKey
UXXGWUQNRMPNKH-UHFFFAOYSA-N
CAS DataBase Reference
12135-76-1(CAS DataBase Reference)
EPA Substance Registry System
Ammonium sulfide (12135-76-1)
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Safety

Hazard Codes 
C,N,F
Risk Statements 
11-31-34-50-10
Safety Statements 
26-36/37/39-45-61-16
RIDADR 
UN 2683 8/PG 2
WGK Germany 
-
F 
10-13-23
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
28309090
Hazardous Substances Data
12135-76-1(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H226Flammable liquid and vapour

H314Causes severe skin burns and eye damage

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W205303
Product name
Ammonium sulfide solution
Purity
20?wt. % in H2O
Packaging
1kg
Price
$81
Updated
2024/03/01
Sigma-Aldrich
Product number
W205303
Product name
Ammonium sulfide solution
Purity
20?wt. % in H2O
Packaging
5kg
Price
$329
Updated
2024/03/01
Sigma-Aldrich
Product number
W205303
Product name
Ammonium sulfide solution
Purity
20?wt. % in H2O
Packaging
25kg
Price
$607
Updated
2024/03/01
Sigma-Aldrich
Product number
515809
Product name
Ammonium sulfide solution
Purity
40-48 wt. % in H2O
Packaging
100ml
Price
$118
Updated
2024/03/01
Sigma-Aldrich
Product number
515809
Product name
Ammonium sulfide solution
Purity
40-48 wt. % in H2O
Packaging
4x100ml
Price
$402
Updated
2024/03/01
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Ammonium sulfide Chemical Properties,Usage,Production

Chemical Properties

yellow to orange fuming liquid

Chemical Properties

Ammonium sulfide is a yellow crystalline (sugar or sand-like) material, commonly found in liquid solution, which is flammable. Solution has an odor of rotten eggs.

Chemical Properties

The distinct ammonical/sulfurous odor of ammonium sulfide makes it a valuable flavor ingredient. It is used in baked goods, meat products, condiments and gravies.

Physical properties

Unstable, decomposes at ambient temperature; forms yellow crystals below -18°C; hygroscopic; soluble in water and alcohol, very soluble in liquid ammonia.

Uses

Ammonium sulfide solution is used occasionally in photographic developing, to apply patina to bronze, and in textile manufacturing. Ammonium sulfide is a very useful reagent in mineral analysis. Used in continuous culture of saccharomyces cerevisiae, useful in a double staining technique for visualization of astrocytes and microglia from brain sections and astroglial cell cultures. It plays an important role to modify the surface of low κ dielectric thin films. It is essential for molecular beam epitaxy regrowth. It is an unstable salt and acts as a selective reducing agent.

Uses

Ammonium sulfide solution may be used to enhance the performance of type-II InAs/GaSb super lattice photodiodes by surface passivation technique.

Uses

To apply patina to bronze, in photographic developers, in textile manufacture, in trace metal analysis.

General Description

Ammonium sulfide aqueous solution is a colorless to yellow liquid, with an odor of rotten eggs or ammonia. Material in aqueous from the hydrosulfide which with acid forms H2S. Ammonium sulfide may be irritating to skin, eyes and mucous membranes and may cause illness from skin absorption. Ammonium sulfide may burn and/or emit toxic fumes if heated to high temperatures.

Air & Water Reactions

Readily oxidized to be pyrophoric in air [Bretherick 1979 p. 120]. Ammonium sulfide is slowly decomposed by moisture giving off hydrogen sulfide, a flammable gas. Heat is generated when the pure compound is first dissolved in water.

Reactivity Profile

AMMONIUM SULFIDE SOLUTION is a strongly alkaline aqueous solution. Reacts with acids to generate toxic gaseous hydrogen sulfide. Reacts with bases to release gaseous ammonia. May react vigorously with oxidizing agents, including inorganic oxoacids, organic peroxides and epoxides. Special Hazards of Combustion Products: Toxic hydrogen sulfide gas is released when solution is heated. If ignited, this will form irritating sulfur dioxide gas [USCG, 1999].

Health Hazard

Inhalation of 500 ppm for 30 min. produces headaches, dizziness, bronchial pneumonia; 600 ppm for 30 min. can cause death. Ingestion causes severe irritation of mucous membranes and stomach. Contact with liquid causes severe burns of eyes and severe skin irritation. May be absorbed through skin and cause hydrogen sulfide poisoning.

Fire Hazard

Special Hazards of Combustion Products: Toxic hydrogen sulfide gas is released when solution is heated. If ignited, this will form irritating sulfur dioxide gas.

Industrial uses

Ammonium sulfide (NH4)2S is a liquid with an obnoxious odor and because of this, it is not normally used in mineral processing. However, this is the most effective depressant for bornite and covellite. Essentially, (NH4)2S dissolves excess sulfur from the mineral surface, that allows other depressants to adsorb onto the mineral surface. In copper–lead separation, from a bulk concentrate containing covellite and bornite, (NH4)2S can effectively be used together with cyanide.

Potential Exposure

It is used in photographic developers, synthetic flavors, coloring metals (i.e., to apply patina to bronze); and to make textiles.

Shipping

UN2923 Corrosive solids, toxic, n.o.s., Hazard class: 8; Labels: 8-Corrosive material, 6.1-Poisonous material, Technical Name Required. UN2683 Ammonium sulfide solution, Hazard class: 8; Labels: 8-Corrosive material, 6.1-Poisonous materials, 3-Flammable liquid

Incompatibilities

Vapor form explosive mixture with air Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Evolves poisonous ammonia on contact with strong bases. Contact with acid or acid fumes releases hydrogen sulfide. Keep away from moisture.

Waste Disposal

Add to a large volume of ferric chloride solution with stirring. Neutralize with soda ash. Flush to drain with water.

Ammonium sulfide Preparation Products And Raw materials

Raw materials

Preparation Products

Ammonium iodide Ammonium phosphate dibasic Zinc sulfide N-(p-Aminobenzoyl)glutamic acid 5-METHOXY-DL-TRYPTOPHAN Prussian Blue Ammonium thiocyanate Ammonium dihydrogen phosphate NEOCUPFERRON 4-Hydroxyphenylacetamide Thiourea dioxide 6-Aminoquinoline Ammonium thiosulfate
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Ammonium sulfide Suppliers

China 141 Europe 1 France 1 Germany 2 India 8 Slovakia 1 Switzerland 1 United Kingdom 4 United States 24 USA 1 Global 184
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View Lastest Price from Ammonium sulfide manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
Ammonium sulfide 12135-76-1
Price
US $30.00-10.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
20 tons
Release date
2023-10-11
Hebei Mojin Biotechnology Co., Ltd
Product
Ammonium sulfide 12135-76-1
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-09-21
Henan Bao Enluo International TradeCo.，LTD
Product
Ammonium sulfide 12135-76-1
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
500t/month
Release date
2023-08-08

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