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3H-[1,2,3]triazolo[4,5-b]pyridin-3-ol; HOAt RC00143
2 Inquiries
39968-33-7
Pharmaceutical Grade
99%
中国
Royalchem
25kg/drum
2025-12-31
Pharmaceutical intermediates
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
HOAt
Other Name:3H-1,2,3-Triazolo[4,5-b]pyridine,3-hydroxy-;3-Hydroxy-3H-1,2,3-triazolo[4,5-b]pyridine;1-Hydroxy-1H-v-triazolo[4,5-b]pyridine;1-Hydroxy-7-azabenzotriazole;7-Aza-1-hydroxybenzotriazole;HOAt;[1,2,3]Triazolo[4,5-b]pyridin-3-ol;1-Hydroxyl-7-azabenzotriazole;3H-[1,2,3]Triazolo[4,5-b]pyridin-3-ol;N-Hydroxy-7-azabenzotriazole;3-Hydroxytriazolo[4,5-b]pyridine
CAS No.:39968-33-7
Molecular Formula:C5H4N4O
InChIKeys:InChIKey=FPIRBHDGWMWJEP-UHFFFAOYSA-N
Molecular Weight:136.11
Exact Mass:136.11
EC Number:609-760-3
UNII:TX8XYH09H0
DSSTox ID:DTXSID0075239
HScode:29332990
Categories:
Characteristics-
PSA:
63.8
XLogP3:-0.68
Appearance:yellow crystalline powder
Density:1.603 g/cm3
Melting Point:215-217 °C
Boiling Point:376.8±34.0 °C at 760 mmHg
Flash Point:213-216°C
Refractive Index:1.836
Storage Conditions:Store at RT.
Hazard IdentificationClassification of the substance or mixture
Explosives, Division 1.4
Acute toxicity - Category 4, Oral
Skin irritation, Category 2
Eye irritation, Category 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H204 Fire or projection hazard
H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
Precautionary statement(s) Prevention P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P234 Keep only in original packaging.
P240 Ground and bond container and receiving equipment.
P250 Do not subject to grinding/shock/friction/â¦.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P370+P372+P380+P373 In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives.
P370+P380+P375 In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion.
P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P321 Specific treatment (see ... on this label).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage P401 Store in accordance withâ¦
Disposal P503 Refer to manufacturer/supplier⦠for information on disposal/recovery/recycling.
P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
Pharmaceutical intermediates
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Location:
Room 336, Building 7, No. 177 Xingqiao North Road, Xingqiao Street, Linping District, Hangzhou
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Payment Terms:
TT against copy of documents,D/P,L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
14
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Total Annual Revenue:
Less than $1 million
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Total Employees:
Less than 5
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Year of Establishment:
2025
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Inquiry History2 Inquiries
Country Product Purchase Quantity Date Posted 
South Africa
HOAt (1-Hydroxy-7-azabenzotriazole)
5 KG Jan 12, 2026 
India
1-Hydroxy-7-azabenzotriazole
1 KG Oct 8, 2023 Post an enquiry for this product
