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| CAS No.: | 63307-62-0 |
|---|---|
| Name: | 1-hydroxy-1H-benzotriazole, ammonium salt |
| Article Data: | 5 |
| Molecular Structure: | |
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| Formula: | C6H5 N3 O . H3 N |
| Molecular Weight: | 152.156 |
| Synonyms: | 1H-Benzotriazole,1-hydroxy-, ammonium salt (9CI); 1-Hydroxybenzotriazole ammonium salt |
| Safety: | Low toxicity by ingestion. A skin and eye irritant. When heated to decomposition it emits toxic vapors of NOx and NH3. |
| PSA: | 53.77000 |
| LogP: | 1.15340 |
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- Total:11 Page 1 of 1 1
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Chemistry
Molecular Structure of 1-Hydroxy-1H-benzotriazole ammonium salt (CAS NO.63307-62-0):
IUPAC: Ammonia; 1-hydroxybenzotriazole
Molecular Formula:C6H8N4O
Molecular Weight:152.15392
EINECS:264-090-5
Flash Point:162.2oC
Boiling Point:344.6oC at 760 mmHg
SMILES:n1nn(O)c2ccccc12.N
InChI:InChI=1/C6H5N3O.H3N/c10-9-6-4-2-1-3-5(6)7-8-9;/h1-4,10H;1H3
InChIKey:URQAMACHHWVNRD-UHFFFAOYAG
Enthalpy of Vaporization:74.79 kJ/mol
Vapour Pressure:1.75E-09 mmHg at 25oC
Toxicity Data With Reference
| 1. | skn-rbt 500 mg/24H MLD | JACTDZ Journal of the American College of Toxicology. 1 (1992),755. | ||
| 2. | eye-rbt 100 mg MOD | JACTDZ Journal of the American College of Toxicology. 1 (1992),755. | ||
| 3. | orl-rat LDLo:5 g/kg | JACTDZ Journal of the American College of Toxicology. 1 (1992),755. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Low toxicity by ingestion. A skin and eye irritant. When heated to decomposition it emits toxic vapors of NOx and NH3.
Specification
1-Hydroxy-1H-benzotriazole ammonium salt with cas registry number of 63307-62-0 is also known as 1-Hydroxy-1H-benzotriazole ammonium salt ; 1-Hydroxybenzotriazole, ammonium salt ; 1-Hydroxy-1H-benzotriazole, ammonium salt ; 1H-Benzotriazole, 1-hydroxy-, ammonium salt ; 1H-Benzotriazole, 1-hydroxy-, ammonium salt (1:1) . It is an organic compound used as a racemization suppressor and to improve yield in peptide synthesis . 1-Hydroxy-1H-benzotriazole ammonium salt with cas registry number of 63307-62-0 can react with activated acyl groups to form activated molecules that are referred to as activated esters. These esters are insoluble and react with amines at ambient temperature to give amides .