| Identification | More | [Name]
Ammonium sulfide | [CAS]
12135-76-1 | [Synonyms]
AMMONIUM HYDROSULFIDE
AMMONIUM POLYSULPHIDE
AMMONIUM SULFIDE
AMMONIUM SULFIDE COLORLESS
AMMONIUM SULFIDE, YELLOW
AMMONIUM SULPHIDE
FEMA 2053
ammoniummonosulfide
ammoniumsulfide((nh4)2s)
ammoniumsulfide(solution)
ammoniumsulfide,solution
ammoniumsulfideaqueoussolution
Ammoniumsulfidesolution
diammoniumsulfide
trueammoniumsulfide
Ammonium bisulfide
AMMONIUM SULFIDE, 40-48 WT. % SOLUTION IN WATER
AMMONIUM SULFIDE, 20 WT. % SOLUTION IN W ATER
AMMONIUM SULFIDE SOLUTION, ~21% IN WATER
AMMONIUM SULFIDE SOLUTION APPROX. 21 % | [EINECS(EC#)]
235-223-4 | [Molecular Formula]
H8N2S | [MDL Number]
MFCD00010892 | [Molecular Weight]
68.14 | [MOL File]
12135-76-1.mol |
| Chemical Properties | Back Directory | [Appearance]
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. | [Melting point ]
decomposes [HAW93] | [Boiling point ]
40 °C
| [density ]
1 g/mL at 25 °C
| [vapor pressure ]
600 hPa at 20 °C | [FEMA ]
2053 | AMMONIUM SULFIDE | [refractive index ]
n20/D 1.467
| [Fp ]
90 °F
| [storage temp. ]
room temp | [solubility ]
soluble in H2O, ethanol, alkaline solutions | [form ]
Liquid | [pka]
3.42±0.70(Predicted) | [color ]
Yellow to orange | [Specific Gravity]
1.2 | [Odor]
Ammonia odour | [PH Range]
9.5 ( 45% aqueous solution) | [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. | [explosive limit]
4-46% | [Odor Type]
sulfurous | [Water Solubility ]
Miscible with water, alcohol and liquid ammonia. | [Merck ]
13,560 | [InChIKey]
UXXGWUQNRMPNKH-UHFFFAOYSA-N | [CAS DataBase Reference]
12135-76-1(CAS DataBase Reference) | [EPA Substance Registry System]
12135-76-1(EPA Substance) |
| Hazard Information | Back Directory | [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]
yellow to orange fuming liquid | [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, SOLUTION(12135-76-1) may be irritating to skin, eyes and mucous membranes and may cause illness from skin absorption. AMMONIUM SULFIDE, SOLUTION(12135-76-1) may burn and/or emit toxic fumes if heated to high temperatures. | [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]. | [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. | [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. | [Potential Exposure]
It is used in photographic developers,
synthetic flavors, coloring metals (i.e., to apply patina to
bronze); and to make textiles. | [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. | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
15 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical contacts
the skin, remove contaminated clothing and wash immediately
with soap and water. Seek medical attention immediately.
If this chemical has been inhaled, remove from
exposure, begin rescue breathing (using universal precautions,
including resuscitation mask) if breathing has
stopped and CPR if heart action has stopped. Transfer
promptly to a medical facility. When this chemical has
been swallowed, get medical attention. If victim is conscious,
administer water or milk. Do not induce vomiting.
Medical observation is recommended for 24 to 48 hours
after breathing overexposure, as pulmonary edema may be
delayed. As first aid for pulmonary edema, a doctor or
authorized paramedic may consider administering a drug
or other inhalation therapy. | [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. | [Physical properties]
Unstable, decomposes at ambient temperature; forms yellow crystals below -18°C; hygroscopic; soluble in water and alcohol, very soluble in liquid ammonia. | [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. |
| Safety Data | Back Directory | [Hazard Codes ]
C,N,F | [Risk Statements ]
R11:Highly Flammable.
R31:Contact with acids liberates toxic gas.
R34:Causes burns.
R50:Very Toxic to aquatic organisms.
R10:Flammable. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet . | [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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