Triazol-3-amine
Amitrole
CAS: 61-82-5
Molecular Formula: C2H4N4
Triazol-3-amine - Names and Identifiers
| Name | Amitrole |
| Synonyms | amizol AMITROL AMIZOLE Amitrole AMITROLE AMIZOL(R) AMITROLE(R) aminotriazole AMINOTRIAZOLE Triazol-3-amine Sulfamidopyrine Amino-s-triazole Amino-1,2,4-triazole amino-1,2,4-triazole Melaminsulfone sodium 3-Amino-1,2,4-Triazole 1H-1,2,3-triazol-1-amine 1H-1,2,4-triazol-3-amine 3-Amino-1H-1,2,4-Triazole |
| CAS | 61-82-5 |
| EINECS | 200-521-5 |
| InChI | InChI=1/C2H4N4/c3-6-2-1-4-5-6/h1-2H,3H2 |
Triazol-3-amine - Physico-chemical Properties
| Molecular Formula | C2H4N4 |
| Molar Mass | 84.08 |
| Density | 1.138 |
| Melting Point | 150-153°C(lit.) |
| Boling Point | 144.35°C (rough estimate) |
| Flash Point | 101.9°C |
| Water Solubility | 280 g/L (20 ºC) |
| Solubility | 280g/l |
| Appearance | Powder or Flakes |
| Color | White to off-white or yellow |
| Exposure Limit | NIOSH REL: TWA 0.2 mg/m3; ACGIH TLV: TWA 0.2 mg/m3. |
| Merck | 14,489 |
| BRN | 107687 |
| pKa | 11.14±0.20(Predicted) |
| PH | 6.4-7.4 (100g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with iron, copper, aluminium, acids, alkalies, strong oxidizing agents, acid chlorides, acid anhydrides. Forms chelates with some metals. Moisture sensitive. |
| Refractive Index | 1.6260 (estimate) |
| Physical and Chemical Properties | White crystals or crystalline powders. Melting point 150-153 °c. Soluble in water, slightly soluble in methanol, ethanol, insoluble in ether, acetone. |
| Use | It is used as a herbicide and is particularly suitable for use as a cotton defoliant. |
Triazol-3-amine - Risk and Safety
| Risk Codes | R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R63 - Possible risk of harm to the unborn child R40 - Limited evidence of a carcinogenic effect R61 - May cause harm to the unborn child |
| Safety Description | S13 - Keep away from food, drink and animal foodstuffs. S36/37 - Wear suitable protective clothing and gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S53 - Avoid exposure - obtain special instructions before use. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | XZ3850000 |
| TSCA | Yes |
| HS Code | 29339990 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 in mice, rats (g/kg): 14.7, 25.0 orally (Krller) |
Triazol-3-amine - Upstream Downstream Industry
| Raw Materials | aminoguanidinium sulphate |
Triazol-3-amine - Nature
Open Data Verified Data
crystallization (water, ethanol or ethyl acetate),m.p.159 °c. LD50 (Rat oral) llOOmg/kg, animal experiments have carcinogenic and teratogenic effects.
Last Update：2024-01-02 23:10:35
Triazol-3-amine - Preparation Method
Open Data Verified Data
there are aminoguanidine method, cyanamide hydrazine method.
- prepared by reaction of aminoguanidine with formic acid.
- The cyanamide-hydrazine method is obtained by reacting cyanamide, hydrazine hydrate and formic acid.
Last Update：2022-01-01 10:57:45
Triazol-3-amine - Application
Open Data Verified Data
This product is used as a raw material for angina pectoris and coronary artery dilator zoxadiazine (Trapidil) in medicine. In terms of dyes used in the synthesis of basicyellow 25, basicred 22,Basic blue 93, etc.
Last Update：2025-08-19 16:24:40
Triazol-3-amine - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| (IARC) carcinogen classification | 3 (Vol. 79, Sup 7) 2001 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as a cationic dye intermediate, it can synthesize a variety of red dyes such as cationic red X-GRL; it is also a heterocyclic intermediate, which can be used in pharmaceuticals Can be used as a pharmaceutical intermediate. It is used in the synthesis of the drug zolazepine. used as herbicide, especially suitable for cotton defoliant. |
| Production method | It is obtained by cycliding hydrazine hydrate, cyanamide, and formic acid; or by the action of aminoguanide bicarbonate and formic acid, and then heating and cycliding; It can also be obtained by using guanidine nitrate as raw material, first reacting with acetic acid at a temperature of 5-15 ℃ for 8h, then reacting with oxalic acid, and finally refluxing for 5h. |
| category | pesticide |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50: 1100 mg/kg; Oral-mouse LD50: 14700 mg/kg |
| flammability hazard characteristics | combustion produces toxic nitrogen oxide gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | dry powder, foam, sand |
| occupational standard | TWA 0.2 mg/m3 |
| spontaneous combustion temperature | >225°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:52:54
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View History
Triazol-3-amine
Tracid Red 2bs
Sorbitan oleate
609-93-8
10075-85-1
4309-82-4
58652-20-3
SM-164
959986-66-4
13490-69-2
Tracid Red 2bs
Sorbitan oleate
609-93-8
10075-85-1
4309-82-4
58652-20-3
SM-164
959986-66-4
13490-69-2
Raw Materials for Triazol-3-amine