CompoundsOrganic Compounds1-Hydroxybenzotriazole hydrate CAS 123333-53-9

SKU: WGP-123333-53-9

1-Hydroxybenzotriazole hydrate

CAS 123333-53-9

Molecular Formula: C6H7N3O2
Molecular Weight: 153.14
Availability: On Order
Packaging: Regular packaging or customised

Contact us directly for more

Telegram Telegram Signal Signal Threema Threema
  • Description
  • Our Policy


1-Hydroxybenzotriazole hydrate CAS 123333-53-9 Product Information

Product Name: 1-Hydroxybenzotriazole hydrate
Synonyms: HOBTM;HOBT HYDRATE;HOBT H2O;1H-1,2,3-benzotriazol-1-ol hydrate solution;1-HYDROXYBENZOTRIAZOLE 15 WT. % SOLUTI&;1H-Benzo[d][1,2,3]triazol-1-ol xhydrate;1H-benzo[d][1,2,3]triazol-1-ol hydrate;HOBT.H2O1-Hydroxybenzotriazole hydrate
CAS: 123333-53-9
MF: C6H7N3O2
MW: 153.14
EINECS: 602-929-2
Melting point 155-158 °C(lit.)
Boiling point 248.8°C (rough estimate)
density 1.065 g/cm
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility DMF: 100 mg/mL, clear
form Solid
color White to Off-White
Water Solubility slightly soluble

1-Hydroxybenzotriazole hydrate CAS 123333-53-9Product Description

CAS number 123333-53-9 corresponds to 1-Hydroxybenzotriazole hydrate. It is a chemical compound commonly used in organic synthesis as a reagent and as an additive in peptide synthesis.

  1. Chemical Properties:
    • Molecular Formula: C6H5N3O · H2O
    • Molecular Weight: 135.12 g/mol (anhydrous basis)
    • Melting Point: 155-158°C (lit.)
    • Solubility: Slightly soluble in dimethylformamide (DMF)
    • Density: 1.065 g/cm³
    • Flash Point: 162.2°C
    • Empirical Formula: C6H5N3O · xH2O
  2. Applications:
    • Peptide Synthesis: 1-Hydroxybenzotriazole hydrate is a coupling reagent used in the synthesis of amides by condensation reactions between activated esters/acids and amino groups of protected amino acids.
    • Racemization Suppressor: It is also employed as a racemization suppressor during peptide synthesis.
    • Other Uses: This compound can be used to prepare poly-γ-glutamic acid methyl ester from a dimer of γ-glutamic acid and oxadiazoles via cyclo condensation of amidoximes with trifluoroacetic anhydride or benzoic acid derivatives.

Remember that its use should be handled with care and in accordance with legal regulations. If you need further information, feel free to ask! 😊

Transit time You will normally receive your parcel within 7-15 working days after shipment (this may be delayed in special circumstances, such as Chinese New Year).
Receiving method Generally we will send the goods by courier or special line, of course, if the goods themselves in the local warehouse have goods, also support self-pickup, depending on the circumstances.
Overseas warehouse We have overseas warehouses in some European countries and Australia, such as Germany, Russia and Australia.
Delivery Method WGP will ship via courier companies such as DHL, FedEx, UPS, TNT or EMS.
About After Sales Within 7 days of your receipt of the goods if you find any problems with the goods (broken packaging, less hair, etc.) please feel free to contact our sales, we will help you deal with it in time.

You may also like…


There are no reviews yet.

Be the first to review “1-Hydroxybenzotriazole hydrate CAS 123333-53-9”

error: Alert: Content is protected !!