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157260 Aldrich

1-Hydroxybenzotriazole hydrate

wetted with not less than 14 wt. % water, 97%

Synonym: HOBt Hydrate

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Properties

Related Categories Active Esters/Additives, Chemical Biology, Chemical Synthesis, Coupling, Peptide Chemistry,
InChI Key   PJUPKRYGDFTMTM-UHFFFAOYSA-N
assay   97%
quality   synthesis grade
mp   155-158 °C(lit.)

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Application

Additive used in oligonucleotide couplings and in racemization-free peptide couplings.

Packaging

25, 100, 250 g in glass bottle

Price and Availability


Cross-Coupling Guide
Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Warning
Hazard statements 
Precautionary statements 
Supplemental Hazard Statements 
Explosive when dry., Risk of explosion if heated under confinement.
RIDADR 
UN3474 - class 4.1 - PG 1 - 1-Hydroxybenzotriazole, monohydrate
WGK Germany 
nwg

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
Why is Product 157260, Hydroxybenzotriazole hydrate wet?
Hydroxybenzotriazole hydrate is a solid that is explosive when dry. Our specification for this product is >14% water.
Can Product 157260, Hydroxybenzotriazole hydrate, be dried?
Drying hydroxybenzotriazole hydrate should not be attempted because of its explosive nature.
How is Product 157260, Hydroxybenzotriazole hydrate, shipped?
Hydroxybenzotriazole hydrate can not travel be sea or air. It is typically shipped by truck.
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles

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Peer-Reviewed Papers
15

References

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Description

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711489 1-Hydroxybenzotriazole hydrate, wetted with not less than 20 wt. % water, 97%

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