HomeProducts

Ammonium sulfide

CAS Number
12135-76-1
EC Number
235-223-4
Chemical Formula
H8N2S
Molecular Weight
68.15 g/mol

Description

Ammonium sulfide ( CAS 12135-76-1 ), also known as diammonium sulfide, is a sulfur-containing ammonium salt used commercially as a flavoring agent and chemical intermediate. It contributes characteristic savory and sulfurous notes that replicate naturally occurring flavor profiles. In food and flavor manufacturing, it is used as a FEMA 2053 -listed flavoring agent to develop roasted, meaty, or savory taste profiles in processed food products. Flavor houses incorporate it into reaction flavor systems. During thermal processing, controlled sulfur release generates target aroma compounds essential for authentic food profiles. In agriculture, it functions as a nitrogen and sulfur source in specialty fertilizer formulations targeting sulfur-deficient soils. It also serves as a reagent in chemical synthesis where controlled introduction of sulfide ions is required. Ammonium sulfide is supplied primarily as an aqueous solution, with concentration typically ranging from 40–44% in commercial grades. Food-grade material is available in compliance with FEMA designation requirements for flavoring applications. Technical-grade solution is also offered for agricultural and industrial use cases to meet specific manufacturing needs. Our product meets rigorous quality benchmarks to ensure consistency across batches. We provide documentation for FCC and other relevant standards to support your regulatory compliance and quality assurance protocols. Contact us for supply of Ammonium sulfide Request Quote

Other Names (Synonyms)

Diammonium sulfide | Ammonium sulphide | Ammonium monosulfide | True ammonium sulfide | Ammonium sulfide, true | DIAMMONIUM SULPHIDE | 2H0Q32TDFZ | Ammonium sulfide ((nh4)2S)

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Pointdecomposes [HAW93]
Boiling Point40.0 °C
Density1 g/mL at 25 °C
Flash Point90 °F
AppearanceAmmonium 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.
ColorYellow to orange
OdorAmmonia odour
FormLiquid
Water SolubilityMiscible with water, alcohol and liquid ammonia.
Vapor Pressure600 hPa at 20 °C
Refractive Indexn 20/D 1.467
pH9.5 (450g/L in H2O)

Safety & Handling

Danger
GHS05· CorrosiveGHS06· Toxic

Hazard Statements

H301Toxic if swallowed
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage

Precautionary Statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P363Wash contaminated clothing before reuse.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P316Get emergency medical help immediately.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P364Take off contaminated clothing and wash it before reuse.
P331Rinse mouth. Do NOT induce vomiting.
P354IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code28309090
UN Number2683
ADR Class8
Packing GroupII