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HOAt

Product Name
HOAt
CAS No.
39968-33-7
Chemical Name
HOAt
Synonyms
1-Hydroxy-7-azabenzotriazole;HO-EPCP;[1,2,3]Triazolo[4,5-b]pyridin-3-ol;N-Hydroxy-7-azobenzotriazole;1-Hydroxy-7-azabenzotriazole (HOAt);HOAT;3]Triazolo[4;HOAt USP/EP/BP;5-b]pyridin-3-ol;1-Hydroxy-7-azabenzo
CBNumber
CB3256884
Molecular Formula
C5H4N4O
Formula Weight
136.11
MOL File
39968-33-7.mol
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HOAt Property

Melting point:
213-216°C
Boiling point:
250.36°C (rough estimate)
Density 
0.973 g/mL at 20 °C
refractive index 
n20/D 1.441
Flash point:
213-216°C
storage temp. 
Store at RT.
solubility 
>6.8mg/mL in DMSO
form 
Powder
pka
5.85±0.58(Predicted)
Decomposition 
213-216 ºC
CAS DataBase Reference
39968-33-7(CAS DataBase Reference)
EPA Substance Registry System
3H-1,2,3-Triazolo[4,5-b]pyridine, 3-hydroxy- (39968-33-7)
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Safety

Hazard Codes 
T,Xi,F,Xn,E
Risk Statements 
61-20/21-36-5-36/37/38-11-41-37/38-22-2-36/37
Safety Statements 
53-45-37/39-26-16-39-35-36-36/37-28-15
RIDADR 
UN 1993 3/PG 3
WGK Germany 
1
HazardClass 
IRRITANT
PackingGroup 
Ⅱ
HS Code 
29332990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H204Fire or projection hazard

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P240Ground/bond container and receiving equipment.

P250Do not subject to grinding/shock/…/friction.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

P370+P380in case of fire: Evacuate area.

P372Explosion risk in case of fire.

P373DO NOT fight fire when fire reaches explosives.

P374Fight fire with normal precautions from a reasonable distance.

P401Store …

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

ApexBio Technology
Product number
A7024
Product name
HOAt
Packaging
10mM(in 1mL DMSO)
Price
$50
Updated
2021/12/16
ChemScene
Product number
CS-W019594
Product name
1-Hydroxy-7-azabenzotriazole
Purity
99.81%
Packaging
25g
Price
$75
Updated
2021/12/16
ApexBio Technology
Product number
A7024
Product name
HOAt
Packaging
25g
Price
$77
Updated
2021/12/16
ApexBio Technology
Product number
A7024
Product name
HOAt
Packaging
100g
Price
$192
Updated
2021/12/16
ChemScene
Product number
CS-W019594
Product name
1-Hydroxy-7-azabenzotriazole
Purity
99.81%
Packaging
100g
Price
$225
Updated
2021/12/16
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HOAt Chemical Properties,Usage,Production

Chemical Properties

Clear, colorless liquid

Uses

1-Hydroxy-7-azabenzotriazole can be used as antibacterial, anti-aging and flame-retardant dendritic polyacrylate emulsion.

HOAt Preparation Products And Raw materials

Raw materials

Preparation Products

2-Ethylpiperazine
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View Lastest Price from HOAt manufacturers

PNP Biotech Co. Ltd
Product
1-Hydroxy-7-azabenzotriazole 39968-33-7
Price
US $0.00/kg
Min. Order
25kg
Purity
98%
Supply Ability
Inquiry
Release date
2022-09-16
TAIZHOU DKD CHEMICAL CO., LTD.
Product
HOAt 39968-33-7
Price
US $0.00/kg
Min. Order
25kg
Purity
99%
Supply Ability
20 tons
Release date
2022-11-09
Henan Aochuang Chemical Co.,Ltd.
Product
HOAt 39968-33-7
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1ton
Release date
2022-09-26

39968-33-7, HOAtRelated Search:

1,2,3-1H-Triazole 1-Hydroxybenzotriazole 5-Methyl-1H-benzotriazole 1H-Benzotriazole 1,2,4-Triazole HATU 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride O-(6-Chlorobenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 3-Hydroxy-1,2,3-benzotriazin-4(3H)-one 2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate HBTU 1-Hydroxybenzotriazole hydrate CHLOROPHOSPHONAZO III 2-(7-Azabenzotriazole-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate N-CHLOROSACCHARIN N-Hydroxyphthalimide HOAt (3-Hydroxy-3H-1,2,3-triazolo[4,5-b]pyridinato-O)tri-1-pyrrolidinylphosphonium hexafluorophosphate

  • N-Hydroxy-7-azobenzotriazole
  • 1-Hydroxy-7-azabenzo
  • 3H-1,2,3-TRIAZOLO[4,5-B]PYRIDINE, 3-HYDROXY-
  • 3H-[1,2,3]-TRIAZOLO[4,5-B]PYRIDIN-3-OL
  • 7-AZA-1-HYDROXYBENZOTRIAZOLE
  • 3H-[1,2,3]triazolo[4,5-b]pyridin-3-ol(SALTDATA: FREE)
  • 7-Aza-1-hydroxybenzotriazole HOAt 1-Hydroxy-7-azabenzotriazole
  • N-Hydroxy-7-azabenzotriazole
  • 3H-[1,2,3]Triazolo[4,5-b]pyridin-3-ol, 95+%
  • HOAT
  • 1-Hydroxy-7-azabenotriazole
  • 1-HYDROXY-7-AZABENZOTRIAZOLE 0.5 TO &
  • 1-HYDROXY-7-AZABENZOTRIAZOLE SOLUTION, 0.5M IN DMF
  • HOAT [1-HYDROXY-7-AZABENZOTRIAZOLE]
  • 1-Hydroxy-7-Azabenzotriazole99%Puriss
  • [1,2,3]Triazolo[4,5-b]pyridin-3-ol
  • 1H-[1,2,3]triazolo[4,5-b]pyridine 3-Oxide
  • 1-Hydroxy-7-azabenzotriazole solution
  • 1-Hydroxy-7-azabenzotriazole (HOAt)
  • 1-HYDROXY-7-AZABENZOTRIAZOL
  • HO-EPCP
  • 3H-[1,2,3]-Triazolo[4,5-b]pyridin-3-ol, HOAt
  • 1-Hydroxy-7-azabenzotriazole ,98%
  • 3H-1,2,3-Triazolo[4,5-b]pyridin-3-ol [Peptide Coupling Additive]
  • 1-Hydroxy-7-azabenzotriazole solution, 0.6 M in DMF
  • [1,2,3]Triazolo[4,5-β]pyridin-3-ol
  • 1H-[1,2,3]triazolo[4,5-β]pyridine 3-Oxide
  • hoat（1－hydroxyl－7－azabenzotriazole）
  • 1-Hydroxy-7-azabenzotriazole
  • 1;2;3]TRIAZOLO[4;5-B]PYRIDIN-3-OL;1H-[1;2;3]TRIAZOLO[4;5-B]PYRIDINE 3-OXIDE;HOAT.
  • 3]Triazolo[4
  • 5-b]pyridin-3-ol
  • 5-b]pyridine 3-Oxide
  • Olaparib Impurity 18 (HOAT)
  • Olaparib Impurity 23（HOAt）
  • Olaparib Impurity 47
  • HOAT 1-Hydroxy-7-azabenzotriazole,99%
  • HOAT 1M DMA solution
  • HOAt USP/EP/BP
  • 39968-33-7/1-Hydroxy-7-azabenzotriazole
  • HOAT (1-Hydroxy-7-azobenzotriazole) pure, 98%
  • 3-hydroxytriazolo[4,5-b]pyridine
  • 1-Hydroxy-7-azabenzotriazole in DMA（1M)
  • 1-Hydroxy-7-azabenzotriazole in DMF(0.6M/L）
  • 39968-33-7
  • Synthetic Reagents
  • Coupling
  • Active Esters/Additives
  • Peptide Coupling Reagents
  • PROTECTED AMINO ACID & PEPTIDES
  • Heterocycles
  • Heterocyclic Compounds
  • Peptide
  • Bases & Related Reagents
  • Nucleotides
  • Peptide coupling agents
  • peptides