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| CAS No.: | 1477-42-5 |
|---|---|
| Name: | 2-Amino-4-methylbenzothiazole |
| Article Data: | 49 |
| Molecular Structure: | |
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|
|
| Formula: | C8H8N2S |
| Molecular Weight: | 164.231 |
| Synonyms: | Benzothiazole,1-amino-3-methyl- (3CI);Benzothiazole, 2-amino-4-methyl- (6CI,7CI,8CI);2-Amino-4-methylbenzothiazole;4-Methyl-2-aminobenzothiazole;4-Methylbenzo[d]thiazol-2-amine;NSC 28732; |
| EINECS: | 216-028-3 |
| Density: | 1.315 g/cm3 |
| Melting Point: | 137-139 °C(lit.) |
| Boiling Point: | 322 °C at 760 mmHg |
| Flash Point: | 148.6 °C |
| Solubility: | water: <0.1 g/100 mL at 24 °C |
| Appearance: | White powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22 |
| Safety: | 26-28-36/37/39 |
| PSA: | 67.15000 |
| LogP: | 2.76810 |
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Chemistry
Molecular Formula: C8H8N2S
Molecular Weight: 164.23 g/mol
EINECS: 216-028-3
Density: .315 g/cm3
Melting Point: 137-139 °C(lit.)
Flash Point: 148.6 °C
Sensitive: Moisture sensitive
Appearance: White powder
Boiling Point: 322 °C at 760 mmHg
Water solubility: <0.1 g/100 mL at 24 °C
Structure of 2-Amino-4-methylbenzothiazole (CAS NO.89-32-7):
IUPAC Name: 4-Methyl-1,3-benzothiazol-2-amine
Product Category of 2-Amino-4-methylbenzothiazole (CAS NO.89-32-7): Thiazoles;Building Blocks;Heterocyclic Building Blocks
Uses
2-Amino-4-methylbenzothiazole (CAS NO.89-32-7) is an intermediate for fungicide named Tricyclazole.and usualy used a medicine, pesticide intermediate.
Toxicity Data With Reference
| 1. | orl-mus LD50:697 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 105 (1952),486. | ||
| 2. | ivn-mus LD50:54 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 105 (1952),486. |
2-Amino-4-methylbenzothiazole (CAS NO.89-32-7) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated. You can see actual entry in RTECS for complete information.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by intravenous route. Moderately toxic by ingestion. When heated to decomposition it emits very toxic fumes of SOx and NOx.
Hazard Codes: 
Xn
Risk Statements: 22
R22:Harmful if swallowed.
Safety Statements: 26-28-36/37/39
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S28 After contact with skin, wash immediately with plenty of soap-suds.
S36/37/39 Wear suitable protective clothing, gloves and eye/face protection.
Specification
2-Amino-4-methylbenzothiazole , its cas register number is 1477-42-5. It also can be called 4-Methylbenzothiazol-2-ylamine . It should be stored protected from moisture, and keep container closed when not in use. It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately. Notes to physician: Treat supportively and symptomatically.
In addition, 2-Amino-4-methylbenzothiazole (CAS NO.89-32-7) could be stable under normal temperatures and pressures. It is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.