16681-70-2

Basic information

• Product Name: 1,2,3-TRIAZOLE-4-CARBOXYLIC ACID
• Synonyms: 1H-1,2,3-TRIAZOLE-4-CARBOXYLIC ACID;1,2,3-TRIAZOLE-4-CARBOXYLIC ACID;3H-[1,2,3]TRIAZOLE-4-CARBOXYLIC ACID;1H-1,2,3-Triazole-5-carboxylic acid;5-Carboxy-1,2,3-triazole;2H-1,2,3-triazole-4-carboxylic acid();1,2,3-TRIAZOLE-5-CARBOXYLIC ACID;2H-triazole-4-carboxylic acid
• CAS NO: 16681-70-2
• Molecular Formula: C₃H₃N₃O₂
• Molecular Weight: 113.07
• Mol File: 16681-70-2.mol
• Article Data: 5

Chemical Properties

• Melting Point: 213 °C(Solv: water (7732-18-5))
• Boiling Point: 446.2 °C at 760 mmHg
• Flash Point: 223.7 °C
• Appearance: /
• Density: 1.694 g/cm³
• Vapor Pressure: 9.57E-09mmHg at 25°C
• Refractive Index: 1.631
• Storage Temp.: 2-8°C
• PKA: pK1:3.22;pK2:8.73 (25°C)
• CAS DataBase Reference: 1,2,3-TRIAZOLE-4-CARBOXYLIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 1,2,3-TRIAZOLE-4-CARBOXYLIC ACID(16681-70-2)
• EPA Substance Registry System: 1,2,3-TRIAZOLE-4-CARBOXYLIC ACID(16681-70-2)

Safety Data

• Hazard Codes: Xi
• HazardClass: IRRITANT
• Hazardous Substances Data: 16681-70-2(Hazardous Substances Data)

Usage

Synthesis Reference(s)

Journal of the American Chemical Society, 76, p. 4933, 1954 DOI: 10.1021/ja01648a051

InChI:InChI=1/C3H3N3O2/c7-3(8)2-1-4-6-5-2/h1H,(H,7,8)(H,4,5,6)

Upstream product

• 27808-16-8 4-methyl-1H-(1,2,3)-triazole 
• 16681-68-8 1H-1,2,3-triazole-4⁽⁵⁾-carbaldehyde 
• 471-25-0 Propiolic acid 
• 53897-99-7 1H-1,2,3-triazole-4-carboxamide 
• 4967-77-5 methyl 1,2,3-triazole-4-carboxylate 
• 1012040-41-3 4-(methoxymethyl)-1H-1,2,3-triazole 

Downstream Products

• 15294-81-2 4,5-Dibromo-1H-1,2,3-triazole 
• 105020-38-0 methyl 1-methyl-1H-1,2,3-triazole-5-carboxylate 
• 105020-39-1 2-Methyl-1,2,3-triazol-4-carbonsaeure-methylester 
• 1394049-52-5 (2S,4R)-5-Biphenyl-4-yl-2-hydroxymethyl-2-methyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid 2-piperidin-1-yl-ethyl ester 
• 1394049-57-0 (2S,4R)-5-Biphenyl-4-yl-2-hydroxymethyl-2-methyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid oxetan-3-yl ester 
• 1394049-63-8 (2S,4R)-5-Biphenyl-4-yl-2-hydroxymethyl-2-methyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid benzyloxycarbonylmethyl ester 
• 1394049-66-1 (2S,4R)-5-Biphenyl-4-yl-2-hydroxymethyl-2-methyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid benzyl ester 
• 1394049-75-2 (2S,4R)-5-Biphenyl-4-yl-2-hydroxymethyl-2-methyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid (S)-1-cyclohexyloxycarbonyloxy-ethyl ester 
• 1394049-73-0 (2S,4R)-5-biphenyl-4-yl-2-hydroxymethyl-2-methyl-4-[(3H-[1,2,3]triazole-4-carbonyl)amino]pentanoic acid (R)-1-cyclohexyloxycarbonyloxyethyl ester 
• 1394048-69-1 (2S,4S)-5-Biphenyl-4-yl-2-hydroxymethyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid ethyl ester 
• 1394048-74-8 (2S,4S)-5-Biphenyl-4-yl-2-hydroxymethyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid 1-cyclohexyloxycarbonyloxy-ethyl ester 
• 1394048-75-9 (2S,4S)-5-Biphenyl-4-yl-2-hydroxymethyl-4-[(3H-[1,2,3]triazole-4-carbonyl)-amino]-pentanoic acid 1-isopropoxycarbonyloxy-ethyl ester 
• 1394048-77-1 (2S,4S)-5-biphenyl-4-yl-2-hydroxymethyl-4-[(3H-[1,2,3]-triazole-4-carbonyl)amino]pentanoic acid 2-morpholin-4-ylethyl ester 
• 1394049-43-4 (2S,4R)-5-biphenyl-4-yl-2-hydroxymethyl-2-methyl-4-[(3H-[1,2,3]triazole-4-carbonyl)amino]pentanoic acid 2-morpholin-4-yl ethyl ester 

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