1H-1,2,4-TRIAZOL-3-AMINE

1H-1,2,4-Triazol-3-amine is a nitrogen-rich heterocyclic compound commonly known as amitrole, aminotriazole, or 3-amino-1,2,4-triazole.
1H-1,2,4-Triazol-3-amine is an odorless, colorless to white crystalline solid with high water solubility and weakly basic chemical behavior.
1H-1,2,4-Triazol-3-amine is associated with regulated herbicidal uses, plant-growth research, catalase inhibition, biochemical studies, analytical testing, coordination chemistry, and heterocyclic synthesis.

CAS Number: 61-82-5
EC Number: 200-521-5
Molecular Formula: C₂H₄N₄
Molecular Weight: 84.08 g/mol

SYNONYMS

Amitrole, Aminotriazole, 3-Amino-1,2,4-triazole, 3-Amino-1H-1,2,4-triazole, 1H-1,2,4-Triazol-3-amine, 1H-1,2,4-Triazol-5-amine, 1,2,4-Triazol-3-amine, 1,2,4-Triazol-5-amine, 1,2,4-Triazol-3-ylamine, 1,2,4-Triazole-3-ylamine, 3-Amino-s-triazole, 3-Amino-s-triazol, 3-Aminotriazole, 3-AT, 3-ATA, ATA, AT, Amino-1,2,4-triazole, 3-Amino-4H-1,2,4-triazole, 4H-1,2,4-Triazol-3-amine, s-Triazole, 3-amino-, Triazole, 3-amino-, 1,2,4-Triazole, 3-amino-, 1,2,4-Triazole-3-amine, 1,2,4-Triazole-5-amine, 5-Amino-1H-1,2,4-triazole, 5-Amino-4H-1,2,4-triazole, 2-Amino-1,3,4-triazole, 2-Aminotriazole, Aminotriazol, Aminotriazolo, Aminotriazole Herbicide, Amitrol, Amitrol-T, Amizol, Azaplant, Azolan, Azole, Triazolamine, Triazole Amine, Amino Triazole, Amino-s-triazole, 3-Amino-1,2,4-triazol, 3-Amino-1,2,4-triazolium Conjugate Base, Catalase Inhibitor 3-AT, Histidine-Biosynthesis Inhibitor 3-AT, C₂H₄N₄, CAS 61-82-5, EC 200-521-5, UN 3077, DTXSID0020076, PubChem CID 1639, CHEBI 2663

APPLICATIONS

1H-1,2,4-Triazol-3-amine serves as a nonselective systemic herbicidal active ingredient in jurisdictions and use patterns where such application remains specifically authorized.
1H-1,2,4-Triazol-3-amine functions through movement within treated plants after absorption through foliage or other exposed tissues.
1H-1,2,4-Triazol-3-amine contributes to suppression of susceptible annual and perennial vegetation in regulated non-food settings.
1H-1,2,4-Triazol-3-amine requires strict compliance with current national authorization, application, environmental, and worker-protection requirements.

1H-1,2,4-Triazol-3-amine finds historical application in vegetation control along industrial sites, rights-of-way, fence lines, uncultivated areas, and similar non-crop locations.
1H-1,2,4-Triazol-3-amine supports control programs directed at susceptible broadleaf weeds, grasses, woody plants, and regrowth from treated vegetation.
1H-1,2,4-Triazol-3-amine enables translocated activity rather than functioning exclusively as a contact-desiccating agent.
1H-1,2,4-Triazol-3-amine must not be applied to food crops or water-related sites unless expressly permitted by the current competent authority.

1H-1,2,4-Triazol-3-amine serves as a plant-growth research compound for examining root elongation, shoot development, pigment formation, and stress responses.
1H-1,2,4-Triazol-3-amine enables researchers to compare growth inhibition with visible leaf bleaching and pigment loss.
1H-1,2,4-Triazol-3-amine supports investigation of whether root-growth effects occur independently of chlorophyll or carotenoid changes.
1H-1,2,4-Triazol-3-amine provides a useful experimental reference for studying complex herbicidal mechanisms in model plants.

1H-1,2,4-Triazol-3-amine functions as an experimental inhibitor in studies of carotenoid accumulation and chloroplast development.
1H-1,2,4-Triazol-3-amine supports comparison with compounds having more specifically established pigment-biosynthesis targets.
1H-1,2,4-Triazol-3-amine contributes to investigations of pigment bleaching, photooxidative injury, and loss of normal plant coloration.
1H-1,2,4-Triazol-3-amine requires cautious mechanistic interpretation because its primary phytotoxic action may involve more than one biochemical pathway.

1H-1,2,4-Triazol-3-amine serves as a well-established irreversible inhibitor of catalase in biochemical and cellular research.
1H-1,2,4-Triazol-3-amine binds to the active-center chemistry of catalase under conditions involving hydrogen peroxide.
1H-1,2,4-Triazol-3-amine enables controlled reduction of cellular hydrogen-peroxide-scavenging capacity.
1H-1,2,4-Triazol-3-amine supports investigation of catalase-dependent protection against oxidative stress.

1H-1,2,4-Triazol-3-amine functions as a laboratory tool for studying hydrogen peroxide formation and removal.
1H-1,2,4-Triazol-3-amine allows researchers to assess the contribution of catalase to intracellular peroxide balance.
1H-1,2,4-Triazol-3-amine supports comparison of catalase-dependent and catalase-independent antioxidant pathways.
1H-1,2,4-Triazol-3-amine enables evaluation of oxidative injury when catalase activity is experimentally reduced.

1H-1,2,4-Triazol-3-amine serves as an inhibitor in peroxisome-function and peroxisomal-enzyme studies.
1H-1,2,4-Triazol-3-amine supports investigation of catalase activity within peroxisomes of yeasts, mammalian cells, and other biological systems.
1H-1,2,4-Triazol-3-amine contributes to research on catalase aggregation, enzyme transport, and protein behavior inside peroxisomes.
1H-1,2,4-Triazol-3-amine enables researchers to distinguish catalase-associated effects from broader peroxisomal functions.

1H-1,2,4-Triazol-3-amine finds application in microbiological studies involving catalase-positive organisms.
1H-1,2,4-Triazol-3-amine supports characterization of catalase classes that differ in sensitivity to aminotriazole inhibition.
1H-1,2,4-Triazol-3-amine contributes to comparative evaluation of catalase and peroxidase activities in microbial extracts.
1H-1,2,4-Triazol-3-amine provides a selective biochemical probe when accompanied by suitable untreated and inhibitor controls.

1H-1,2,4-Triazol-3-amine serves as an experimental inhibitor of histidine biosynthesis in yeasts and other microorganisms.
1H-1,2,4-Triazol-3-amine promotes accumulation of pathway intermediates when susceptible histidine-biosynthetic enzymes are inhibited.
1H-1,2,4-Triazol-3-amine supports genetic and metabolic studies involving histidine-pathway regulation.
1H-1,2,4-Triazol-3-amine enables selection systems in which resistance or pathway activation can be measured through growth under defined conditions.

1H-1,2,4-Triazol-3-amine functions as a selective-pressure reagent in yeast molecular-biology experiments.
1H-1,2,4-Triazol-3-amine increases the stringency of growth systems dependent on expression of histidine-biosynthesis genes.
1H-1,2,4-Triazol-3-amine supports evaluation of transcriptional activation, promoter strength, and protein–DNA interaction in appropriately designed assays.
1H-1,2,4-Triazol-3-amine requires concentration optimization because strain background, medium composition, and reporter expression influence growth inhibition.

1H-1,2,4-Triazol-3-amine finds application in oxidative-stress research involving cultured cells and experimental tissues.
1H-1,2,4-Triazol-3-amine supports studies of signaling pathways altered after catalase depletion.
1H-1,2,4-Triazol-3-amine contributes to examination of kinase activation, apoptosis, antioxidant defenses, and peroxide-dependent responses.
1H-1,2,4-Triazol-3-amine enables mechanistic comparisons between chemical catalase inhibition and external catalase supplementation.

1H-1,2,4-Triazol-3-amine serves as a reagent in studies of catalase-mediated oxidation and peroxidatic reactions.
1H-1,2,4-Triazol-3-amine suppresses catalase-dependent conversion of selected substrates under controlled experimental conditions.
1H-1,2,4-Triazol-3-amine supports identification of reactions involving catalase Compound I or related catalytic intermediates.
1H-1,2,4-Triazol-3-amine enables researchers to determine whether an observed transformation depends on catalase activity.

1H-1,2,4-Triazol-3-amine functions as a reference inhibitor in enzyme-assay development.
1H-1,2,4-Triazol-3-amine supports validation of catalase assays by providing a chemically inhibited comparison sample.
1H-1,2,4-Triazol-3-amine contributes to evaluation of inhibitor concentration, exposure time, hydrogen peroxide dependence, and residual activity.
1H-1,2,4-Triazol-3-amine provides meaningful assay results only when pH, temperature, enzyme source, and substrate concentration are controlled.

1H-1,2,4-Triazol-3-amine serves as an analytical reference material in chromatographic and spectroscopic methods.
1H-1,2,4-Triazol-3-amine supports calibration and identity testing by liquid chromatography, mass spectrometry, infrared spectroscopy, and related techniques.
1H-1,2,4-Triazol-3-amine enables quantification of residues or impurities in environmental, industrial, biological, and research samples.
1H-1,2,4-Triazol-3-amine requires a certified or otherwise suitably characterized grade for quantitative analytical work.

1H-1,2,4-Triazol-3-amine finds application as a reference compound in environmental fate and aquatic-toxicity studies.
1H-1,2,4-Triazol-3-amine supports measurement of water solubility, partitioning, persistence, transport, and biological effects.
1H-1,2,4-Triazol-3-amine contributes to validation of analytical recovery from water, soil, sediment, and biological matrices.
1H-1,2,4-Triazol-3-amine requires containment because it is hazardous to aquatic organisms and additional environmental release should be prevented.

1H-1,2,4-Triazol-3-amine serves as a nitrogen-rich building block in heterocyclic organic synthesis.
1H-1,2,4-Triazol-3-amine provides an amino group and multiple ring nitrogen atoms capable of participating in condensation and cyclization reactions.
1H-1,2,4-Triazol-3-amine supports preparation of substituted and fused triazole-containing molecular scaffolds.
1H-1,2,4-Triazol-3-amine enables access to compounds whose physical, biological, electronic, or coordination properties differ from the parent material.

1H-1,2,4-Triazol-3-amine functions as a 1,3-binucleophilic reagent in condensation reactions with suitable carbonyl compounds.
1H-1,2,4-Triazol-3-amine supports annulation reactions that generate triazolo-fused six-membered heterocycles.
1H-1,2,4-Triazol-3-amine contributes to one-pot preparation of substituted triazolopyrimidine derivatives.
1H-1,2,4-Triazol-3-amine enables heterocycle synthesis in aqueous, solvent-free, catalytic, or conventional reaction systems.

1H-1,2,4-Triazol-3-amine serves as a starting material for triazolo[1,5-a]pyrimidine chemistry.
1H-1,2,4-Triazol-3-amine reacts with suitable β-dicarbonyl compounds, activated alkenes, aldehydes, or multicomponent systems.
1H-1,2,4-Triazol-3-amine supports construction of fused nitrogen-containing rings with tunable substitution patterns.
1H-1,2,4-Triazol-3-amine provides a versatile platform for medicinal, agricultural, and functional-material research without itself implying efficacy of the resulting derivatives.

1H-1,2,4-Triazol-3-amine functions as a precursor in the synthesis of biologically investigated triazole derivatives.
1H-1,2,4-Triazol-3-amine supports reactions with dicarbonyl compounds, acid anhydrides, and other electrophilic substrates.
1H-1,2,4-Triazol-3-amine enables preparation of candidate structures evaluated for antibacterial, antifungal, or other experimental activities.
1H-1,2,4-Triazol-3-amine does not confer pharmaceutical approval or proven therapeutic performance on the resulting compounds.

1H-1,2,4-Triazol-3-amine serves as a ligand or ligand precursor in coordination-chemistry research.
1H-1,2,4-Triazol-3-amine provides several nitrogen donor sites capable of binding suitable metal ions.
1H-1,2,4-Triazol-3-amine supports preparation of mononuclear complexes, coordination polymers, and metal–organic frameworks.
1H-1,2,4-Triazol-3-amine enables investigation of magnetic, structural, catalytic, adsorption, and photophysical properties in metal-containing materials.

1H-1,2,4-Triazol-3-amine finds application in crystal-engineering and supramolecular-chemistry studies.
1H-1,2,4-Triazol-3-amine participates in hydrogen bonding through its amino group and ring nitrogen atoms.
1H-1,2,4-Triazol-3-amine supports formation of extended networks whose structures depend on counterions, solvents, pH, and metal coordination.
1H-1,2,4-Triazol-3-amine contributes to investigations of tautomerism, protonation, molecular packing, and solid-state organization.

1H-1,2,4-Triazol-3-amine serves as a precursor for nitrogen-rich fused-ring compounds in energetic-material research.
1H-1,2,4-Triazol-3-amine provides a high proportion of nitrogen and reactive sites suitable for further ring construction and functionalization.
1H-1,2,4-Triazol-3-amine supports academic investigation of relationships among density, thermal behavior, sensitivity, and molecular structure.
1H-1,2,4-Triazol-3-amine requires specialized hazard assessment and controlled research facilities for any energetic derivative work.

1H-1,2,4-Triazol-3-amine functions as a reactant for preparing aldehyde-condensation products investigated as corrosion inhibitors.
1H-1,2,4-Triazol-3-amine contributes nitrogen donor atoms and adsorption-capable functionality to the resulting molecular structures.
1H-1,2,4-Triazol-3-amine supports development of experimental inhibitors for acidic metal-processing environments.
1H-1,2,4-Triazol-3-amine requires derivative-specific electrochemical, surface, toxicity, and compatibility testing before technical use.

1H-1,2,4-Triazol-3-amine serves as an educational reagent for demonstrating aromatic heterocycles, tautomerism, protonation, and aminoazole reactivity.
1H-1,2,4-Triazol-3-amine supports instruction in melting-point analysis, solubility testing, infrared spectroscopy, and heterocyclic synthesis.
1H-1,2,4-Triazol-3-amine provides an example of a small molecule containing four nitrogen atoms within an amino-substituted triazole system.
1H-1,2,4-Triazol-3-amine requires microscale procedures and appropriate controls because of its chronic health and environmental hazards.

DESCRIPTION

1H-1,2,4-Triazol-3-amine is the Chemical Abstracts Service type name associated with the compound commonly called amitrole.
1H-1,2,4-Triazol-3-amine is also represented in some databases as 1H-1,2,4-triazol-5-amine because of alternative ring numbering and tautomeric representation.
1H-1,2,4-Triazol-3-amine is identified by CAS Number 61-82-5 and EC Number 200-521-5.
1H-1,2,4-Triazol-3-amine has the molecular formula C₂H₄N₄ and molecular weight 84.08 g/mol.

1H-1,2,4-Triazol-3-amine contains a five-membered aromatic heterocyclic ring composed of two carbon atoms and three nitrogen atoms.
1H-1,2,4-Triazol-3-amine contains an exocyclic amino group attached to a carbon atom of the triazole ring.
1H-1,2,4-Triazol-3-amine can exist in tautomeric forms involving migration of the ring proton among nitrogen atoms.
1H-1,2,4-Triazol-3-amine therefore may be represented by different but chemically related structural drawings and systematic names.

1H-1,2,4-Triazol-3-amine appears as odorless, colorless crystals or as a white crystalline powder.
1H-1,2,4-Triazol-3-amine has no significant vapor pressure under ordinary ambient conditions.
1H-1,2,4-Triazol-3-amine can nevertheless form airborne dust during pouring, grinding, spraying, or handling of dry material.
1H-1,2,4-Triazol-3-amine requires dust-control measures despite its negligible volatility.

1H-1,2,4-Triazol-3-amine has a reported melting or decomposition range near 157–159°C.
1H-1,2,4-Triazol-3-amine decomposes when strongly heated rather than providing a simple stable atmospheric boiling point.
1H-1,2,4-Triazol-3-amine can release toxic nitrogen-oxide fumes during thermal decomposition or combustion.
1H-1,2,4-Triazol-3-amine should therefore not be subjected to uncontrolled high-temperature processing.

1H-1,2,4-Triazol-3-amine is highly soluble in water.
1H-1,2,4-Triazol-3-amine has a reported water solubility of approximately 280–335 g/L at 20–25°C.
1H-1,2,4-Triazol-3-amine consequently forms concentrated aqueous solutions more readily than many aromatic heterocyclic compounds.
1H-1,2,4-Triazol-3-amine solution behavior can vary with pH, temperature, ionic strength, and the presence of acids or salts.

1H-1,2,4-Triazol-3-amine has a log octanol–water partition coefficient near −0.97.
1H-1,2,4-Triazol-3-amine therefore has a strong preference for aqueous phases over nonpolar organic phases in its neutral form.
1H-1,2,4-Triazol-3-amine is not expected to show the high lipid partitioning associated with hydrophobic pesticides.
1H-1,2,4-Triazol-3-amine environmental movement is consequently influenced strongly by water transport and interactions with soil and ionic species.

1H-1,2,4-Triazol-3-amine has a reported relative density near 1.14 at 20°C for the crystalline material.
1H-1,2,4-Triazol-3-amine may show different apparent bulk-density values depending on crystal size, powder packing, moisture, and handling history.
1H-1,2,4-Triazol-3-amine powder-flow behavior can therefore vary between compacted, granular, and finely divided grades.
1H-1,2,4-Triazol-3-amine packaging and dosing equipment should be selected using grade-specific bulk-property data.

1H-1,2,4-Triazol-3-amine behaves as a weak base because of the nitrogen atoms within its amino-substituted triazole structure.
1H-1,2,4-Triazol-3-amine can undergo protonation in acidic media and can form salts with suitable acids.
1H-1,2,4-Triazol-3-amine protonation and complex formation depend on pH, ionic strength, temperature, and counterion identity.
1H-1,2,4-Triazol-3-amine solution speciation can influence solubility, reactivity, coordination, and analytical behavior.

1H-1,2,4-Triazol-3-amine reacts violently with strong acids, strong oxidizing agents, acid chlorides, and acid anhydrides.
1H-1,2,4-Triazol-3-amine contact with these materials may generate heat and increase fire or explosion risk.
1H-1,2,4-Triazol-3-amine should be segregated from reactive electrophilic and oxidizing chemicals during storage.
1H-1,2,4-Triazol-3-amine compatibility should be assessed before use in strongly acidic or oxidative processes.

1H-1,2,4-Triazol-3-amine is combustible when present as a finely divided powder.
1H-1,2,4-Triazol-3-amine can form an explosive dust–air mixture under suitable concentration and ignition conditions.
1H-1,2,4-Triazol-3-amine dust accumulation should be controlled on equipment, floors, beams, and ventilation surfaces.
1H-1,2,4-Triazol-3-amine processing should minimize ignition sources, electrostatic discharge, and unnecessary dust generation.

1H-1,2,4-Triazol-3-amine can be prepared through heterocyclic ring-forming reactions involving hydrazine, cyanamide, formic-acid derivatives, or related nitrogen-containing intermediates.
1H-1,2,4-Triazol-3-amine production requires control of reaction temperature, stoichiometry, water content, crystallization, and residual starting materials.
1H-1,2,4-Triazol-3-amine purification can involve concentration, crystallization, filtration, washing, and drying.
1H-1,2,4-Triazol-3-amine final quality depends on assay, moisture, color, insoluble matter, particle size, and impurity control.

1H-1,2,4-Triazol-3-amine is associated historically with inhibition of carotenoid formation, chlorophyll development, and plant regrowth.
1H-1,2,4-Triazol-3-amine also inhibits root elongation at concentrations lower than those required to produce visible pigment bleaching in some experimental systems.
1H-1,2,4-Triazol-3-amine therefore may exert phytotoxic effects through multiple biochemical processes.
1H-1,2,4-Triazol-3-amine should not be assigned one universally exclusive plant mechanism without considering species and experimental conditions.

1H-1,2,4-Triazol-3-amine irreversibly inhibits catalase through active-center chemistry involving the enzyme’s peroxide-activated state.
1H-1,2,4-Triazol-3-amine consequently reduces enzymatic decomposition of hydrogen peroxide.
1H-1,2,4-Triazol-3-amine can alter oxidative-stress responses when used in cells, tissues, microorganisms, or experimental animals.
1H-1,2,4-Triazol-3-amine biological effects must therefore be interpreted in relation to dose, exposure time, catalase abundance, and peroxide production.

1H-1,2,4-Triazol-3-amine is mildly irritating to the skin and eyes.
1H-1,2,4-Triazol-3-amine dust or aerosol should not be inhaled.
1H-1,2,4-Triazol-3-amine repeated exposure can damage the thyroid according to international hazard information.
1H-1,2,4-Triazol-3-amine is also identified as suspected of damaging fertility or the unborn child.

1H-1,2,4-Triazol-3-amine has produced tumors in experimental animals, although the relevance and mode of action require careful interpretation.
1H-1,2,4-Triazol-3-amine has been evaluated as a non-genotoxic carcinogenic concern in occupational assessment.
1H-1,2,4-Triazol-3-amine should therefore be handled using strict hygiene and exposure-control procedures.
1H-1,2,4-Triazol-3-amine contaminated work clothing should not be taken into living areas.

1H-1,2,4-Triazol-3-amine has an occupational eight-hour time-weighted exposure value of 0.2 mg/m³ in the cited European assessment.
1H-1,2,4-Triazol-3-amine requires engineering controls wherever dust or aerosol exposure may occur.
1H-1,2,4-Triazol-3-amine respiratory protection should supplement rather than replace effective enclosure and local exhaust ventilation.
1H-1,2,4-Triazol-3-amine workplace limits must be checked against the regulations currently applicable at the operating location.

1H-1,2,4-Triazol-3-amine is toxic to aquatic organisms and can produce long-lasting environmental effects.
1H-1,2,4-Triazol-3-amine should not be released into drains, surface water, groundwater, or soil.
1H-1,2,4-Triazol-3-amine spill recovery should prevent dry material from becoming airborne.
1H-1,2,4-Triazol-3-amine waste and contaminated absorbents require disposal through an authorized hazardous-waste route.

1H-1,2,4-Triazol-3-amine is assigned UN Number 3077 in the cited international chemical-safety information.
1H-1,2,4-Triazol-3-amine is associated there with transport hazard Class 9 and Packing Group III.
1H-1,2,4-Triazol-3-amine transport classification can depend on concentration, mixture composition, package size, and jurisdiction.
1H-1,2,4-Triazol-3-amine current shipping documentation should be reviewed before offering the material for transport.

1H-1,2,4-Triazol-3-amine quality control commonly includes appearance, assay, moisture, melting behavior, water solubility, pH, residue, and chromatographic impurities.
1H-1,2,4-Triazol-3-amine analytical grades may require certified purity and traceable characterization.
1H-1,2,4-Triazol-3-amine synthesis grades may be specified according to reactivity, particle form, and impurity profile.
1H-1,2,4-Triazol-3-amine herbicidal, analytical, and biochemical grades should not be treated as automatically interchangeable.

PROPERTIES

Chemical Name: 1H-1,2,4-Triazol-3-amine
Common Name: Amitrole
Alternative IUPAC Representation: 1H-1,2,4-Triazol-5-amine
CAS Number: 61-82-5
EC Number: 200-521-5
PubChem CID: 1639
Molecular Formula: C₂H₄N₄
Molecular Weight: 84.08 g/mol
Chemical Family: Amino-substituted 1,2,4-triazoles
Chemical Classification: Nitrogen-containing aromatic heterocycle
Functional Groups: Amino group and 1,2,4-triazole ring
Physical State: Crystalline solid
Appearance: Odorless colorless crystals or white crystalline powder
Odor: Odorless
Melting or Decomposition Point: Approximately 157–159°C
Boiling Point: Decomposes on heating
Relative Density at 20°C: Approximately 1.14
Water Solubility at 20–25°C: Approximately 280–335 g/L
Ethanol Solubility: Approximately 260 g/L at 75°C in cited historical data
Log Pow: Approximately −0.97
Vapor Pressure at 20°C: Negligible
Relative Vapor Density: Approximately 2.9
Acid–Base Character: Weak base
Volatility: Very low under ambient conditions
Dust Explosion Potential: Possible when fine powder is dispersed in air
Combustibility: Combustible in powdered form
Primary Historical Function: Nonselective translocated herbicide
Laboratory Function: Irreversible catalase inhibitor
Additional Laboratory Function: Histidine-biosynthesis inhibitor in selected microorganisms
Chemical-Synthesis Function: Aminoazole building block and 1,3-binucleophile
Coordination Function: Nitrogen-donor ligand or ligand precursor
Occupational Exposure Value: 0.2 mg/m³ as an eight-hour time-weighted average in the cited European assessment
Skin Effects: Mild irritation
Eye Effects: Mild irritation, redness, and pain
Repeated-Exposure Target Organ: Thyroid
Reproductive Hazard: Suspected of damaging fertility or the unborn child
Aquatic Hazard: Toxic to aquatic life with long-lasting effects
UN Number: 3077
UN Hazard Class: 9
UN Packing Group: III
Chemical Stability: Stable under recommended storage conditions but decomposes when strongly heated
Incompatible Materials: Strong acids, strong oxidizing agents, acid chlorides, and acid anhydrides
Unsuitable Container Materials: Iron, aluminum, copper, and copper alloys according to cited international safety guidance
Hazardous Decomposition Products: Nitrogen oxides and other irritating or toxic fumes
Recommended Storage: Cool, dry, well-ventilated, secured area without direct drain or sewer access
Environmental Precaution: Prevent all unnecessary release to water, soil, and drainage systems
Current Data Requirement: Confirm grade-specific specifications, occupational limits, regulatory status, transport classification, and shelf life from current technical and safety documentation.

FIRST AID

Inhalation:
Move the affected person immediately to fresh air.
Keep the person at rest in a position comfortable for breathing.
Avoid further exposure to 1H-1,2,4-Triazol-3-amine dust, aerosol, smoke, or decomposition fumes.
Obtain medical attention following significant exposure or if breathing discomfort, coughing, weakness, headache, or other symptoms develop.

Skin Contact:
Remove contaminated clothing and footwear.
Rinse the affected skin immediately with plenty of water or use an emergency shower.
Wash the skin thoroughly with soap and water.
Obtain medical advice if redness, irritation, pain, or other symptoms persist.
Wash contaminated clothing before reuse.

Eye Contact:
Rinse the eyes immediately with plenty of clean, gently flowing water.
Hold the eyelids open to ensure complete irrigation.
Remove contact lenses when present and easy to do, then continue rinsing.
Continue rinsing for at least several minutes.
Obtain prompt medical attention because redness and pain may occur.

Ingestion:
Rinse the mouth thoroughly with water.
Do not induce vomiting unless directed by qualified medical personnel.
Never give anything by mouth to an unconscious or convulsing person.
Obtain medical attention.
Provide the current 1H-1,2,4-Triazol-3-amine Safety Data Sheet to medical personnel.

Note to Physicians:
No substance-specific antidote should be assumed.
Provide supportive care and treat according to the patient’s symptoms and clinical condition.
Consider possible thyroid effects following substantial or repeated exposure.
Assess reproductive status where clinically appropriate because of the suspected reproductive hazard.
Use the current grade-specific Safety Data Sheet and poison-center guidance as the primary medical references.

HANDLING AND STORAGE

Handling:
Handle 1H-1,2,4-Triazol-3-amine in accordance with strict industrial-hygiene and chemical-safety practices.
Review the current technical specification and Safety Data Sheet before opening or processing the material.
Avoid all unnecessary contact with the skin, eyes, and clothing.
Do not breathe dust or aerosol.
Use enclosed charging, transfer, weighing, and sampling systems wherever practicable.
Avoid grinding, sweeping, or pouring methods that create airborne dust.
Use clean, dry, and chemically compatible equipment.
Prevent accumulation of powder on floors, ledges, beams, machinery, and ventilation surfaces.
Keep the material away from open flames, sparks, electrostatic discharge, and hot surfaces.
Wash the hands, face, and exposed skin thoroughly after handling.
Do not eat, drink, or smoke in areas where 1H-1,2,4-Triazol-3-amine is handled.
Do not take contaminated work clothing into homes or living areas.

Ventilation:
Provide effective general ventilation in storage and processing areas.
Use local exhaust ventilation at weighing stations, mixers, charging points, dryers, mills, packaging lines, and sampling locations.
Capture dust at its source rather than allowing it to spread through the workplace.
Use dust-collection equipment designed for combustible powders where applicable.
Prevent recirculation of contaminated air unless it has been adequately cleaned.
Use suitable particulate respiratory protection when engineering controls cannot maintain airborne exposure below the applicable limit.
Select respiratory equipment through a documented occupational-exposure assessment.
Monitor airborne dust where repeated or large-scale handling occurs.

Storage:
Store 1H-1,2,4-Triazol-3-amine in tightly closed and correctly labeled containers.
Keep the material in a cool, dry, secure, and well-ventilated location.
Store the material in an area without direct drain or sewer access.
Keep 1H-1,2,4-Triazol-3-amine separated from food, beverages, animal feed, medicines, and personal items.
Keep 1H-1,2,4-Triazol-3-amine separated from strong acids, strong oxidizing agents, acid chlorides, and acid anhydrides.
Do not store or transport the material in containers made from iron, aluminum, copper, or copper alloys where prohibited by the current safety documentation.
Protect containers from moisture, heat, fire, physical damage, and contamination.
Carefully reseal partially used containers immediately after sampling or transfer.
Use first-in, first-out stock rotation within the applicable shelf life.
Inspect stored material for contamination, caking, discoloration, damaged packaging, or moisture uptake before use.

Spill and Leak Procedures:
Restrict access to the affected area.
Remove unnecessary and unprotected personnel.
Eliminate ignition sources when this can be done safely.
Avoid dry sweeping that generates airborne dust.
Wear suitable gloves, protective clothing, eye protection, and particulate respiratory protection.
Prevent 1H-1,2,4-Triazol-3-amine from entering drains, sewers, soil, surface water, or groundwater.
Carefully sweep or vacuum the material using equipment suitable for hazardous combustible dust.
Lightly moisten the material only when compatible with the recovery and disposal procedure.
Place recovered material in covered, sealable, chemically compatible containers.
Collect contaminated cleaning materials in correctly labeled waste containers.
Clean the affected area without dispersing dust into the air.
Dispose of recovered material and residues through an authorized hazardous-waste route.

Handling Precautions:
Wear chemical-resistant protective gloves.
Use tightly fitting chemical goggles.
Wear a face shield in addition to goggles where dust or solution splashing is reasonably foreseeable.
Use protective clothing and closed chemical-resistant footwear.
Provide accessible eyewash and emergency-shower equipment near major handling locations.
Use a particulate-filter respirator adapted to the airborne concentration when respiratory protection is required.
Ground and bond conductive equipment where combustible-dust risks have been identified.
Inspect containers, seals, valves, transfer devices, ventilation systems, and dust collectors before use.
Avoid contact with strong acids, oxidizing agents, acid chlorides, and acid anhydrides.
Prevent environmental release during production, use, cleaning, transport, and waste handling.
Review the current 1H-1,2,4-Triazol-3-amine technical specification, Safety Data Sheet, certificate of analysis, occupational requirements, transport rules, and environmental regulations before use.