2-amino-5-nitro-thiazol
2-Amino-5-nitrothiazole
CAS: 121-66-4
Molecular Formula: C3H3N3O2S
2-amino-5-nitro-thiazol - Names and Identifiers
| Name | 2-Amino-5-nitrothiazole |
| Synonyms | entramin Enheptyne nci-c03065 enheptin-t nitraminido 5-nitro-2-thiazolamin 5-nitro-2-Thiazolamine 2-Amino-5-nitrothiazole 2-amino-5-nitro-thiazol 5-nitrothiazol-2-ylamine 5-nitro-2-thiazolylamine 2-Amion-5-Nitro thiazole 5-nitro-1,3-thiazol-2-amine 4-nitro-1,3-thiazol-2-amine |
| CAS | 121-66-4 |
| EINECS | 204-490-9 |
| InChI | InChI=1/C3H4N2O3S/c4-3-8-1-2(9-3)5(6)7/h1,3H,4H2 |
| InChIKey | MIHADVKEHAFNPG-UHFFFAOYSA-N |
2-amino-5-nitro-thiazol - Physico-chemical Properties
| Molecular Formula | C3H3N3O2S |
| Molar Mass | 145.14 |
| Density | 1.583 (estimate) |
| Melting Point | 195-200 °C (dec.) (lit.) |
| Boling Point | 345.1±15.0 °C(Predicted) |
| Solubility | 95% ethanol: soluble1g/150g at 20°C |
| Appearance | Solid |
| Color | Yellow |
| Merck | 14,457 |
| BRN | 126797 |
| pKa | 1.26±0.10(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,2-8°C |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents, acid chlorides, acid anhydrides. |
| Sensitive | Light Sensitive |
| Refractive Index | 1.6740 (estimate) |
| MDL | MFCD00005326 |
| Physical and Chemical Properties | Yellow crystals. Slightly bitter. Soluble in hot water and dilute acid, slightly soluble in water and organic solvents (such as ethanol, ether). |
2-amino-5-nitro-thiazol - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| RTECS | XJ2800000 |
| FLUKA BRAND F CODES | 8 |
| TSCA | Yes |
| HS Code | 29341000 |
| Hazard Note | Irritant |
2-amino-5-nitro-thiazol - Nature
Open Data Verified Data
yellow crystals. Slightly bitter. Melting Point 202 °c (decomposition). Soluble in hot water and dilute acid, slightly soluble in water and organic solvents (such as ethanol, ether).
Last Update：2024-01-02 23:10:35
2-amino-5-nitro-thiazol - Preparation Method
Open Data Verified Data
The dye intermediate was used for preparing Disperse Blue 82, 106, 102,284 and Disperse Blue CR,R-Pc (ICI).
Last Update：2022-01-01 10:57:33
2-amino-5-nitro-thiazol - Use
Open Data Verified Data
with chloroacetaldehyde as raw material, reaction with thiourea to obtain 2 amino thiazole (work), and then by nitration into 2 amino -5-Nitro thiazole (II).
Last Update：2022-01-01 10:57:34
2-amino-5-nitro-thiazol - Safety
Open Data Verified Data
- toxic. Stimulate the skin, cause dermatitis, urticaria, skin browning, hypothyroidism, loss of appetite, Nausea, Vomit. Production equipment should be closed, the workshop should have good ventilation. Protective gear was worn by the operator.
- the container is packed with an iron drum lined with a plastic bag or a wooden or plastic barrel. Store in a cool, ventilated place. Protection against heat, sun and moisture. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:57:34
2-amino-5-nitro-thiazol - Reference Information
| (IARC) carcinogen classification | 3 (Vol. 31, Sup 7) 1987 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Uses | 2-amino-5-nitrothiazole is used as an important intermediate for the preparation of azo heterocyclic dyes. Used as an important intermediate for preparing azo heterocyclic dyes |
| production method | 2-aminothiazole (Ⅰ) is prepared by reacting chloroacetaldehyde with thiourea, and then nitrated to 2-Amino-5-nitrothiazole (Ⅱ). |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | abdominal cavity-mouse LD50: 200 mg/kg |
| flammability hazard characteristics | combustible; combustion produces toxic nitrogen oxides and sulfur oxide smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from sulfuric acid and nitric acid |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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