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1-Hydroxybenzotriazole

1-Hydroxybenzotriazole
1-Hydroxybenzotriazole structure
CAS No.
2592-95-2
Chemical Name:
1-Hydroxybenzotriazole
Synonyms
HBT;HOBT;1-HOB;HOBTA;HOBT (anh);Benzazimidol;500G/1KG/5KGS;HOBt solution;HOBt(anhydrous);1-Benzotriazolol
CBNumber:
CB2420172
Molecular Formula:
C6H5N3O
Formula Weight:
135.12
MOL File:
2592-95-2.mol

1-Hydroxybenzotriazole Properties

Melting point:
156-159°C
Boiling point:
149-150 °C
Density 
1 g/cm3
refractive index 
n20/D 1.488
Flash point:
95 °C
storage temp. 
Store at RT.
pka
7.39±0.58(Predicted)
color 
White to off-white crystalline powder
Stability:
Stable, but possible risk of explosion if heated under confinement. Flammable.
CAS DataBase Reference
2592-95-2(CAS DataBase Reference)
FDA UNII
A2T929DMG4
NIST Chemistry Reference
1H-benzotriazole, 1-hydroxy-(2592-95-2)
EPA Substance Registry System
1H-Benzotriazole, 1-hydroxy- (2592-95-2)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS02
Signal word  Warning
Hazard statements  H228
Precautionary statements  P210
Hazard Codes  F,Xi,T,E
Risk Statements  11-5-36/38-36/37/38-36-20/21-61-2
Safety Statements  16-33-7/9-26-45-53-15-36/37-35
RIDADR  1325
RTECS  DM1288000
HazardClass  4.1
PackingGroup  III
HS Code  29339980

1-Hydroxybenzotriazole Chemical Properties,Uses,Production

Chemical Properties

white to light yellow powder

Uses

additive for oligonucleotide couplings and in racemization-free peptide couplings

Purification Methods

Crystallise HOBt from aqueous EtOH or water. [Boyle & Jones J Chem Soc Perkin Trans II 160 1973, Tomita & Ikawa J Pharm Soc Jpn 75 449 1955, Beilstein 26 III/IV 95.]

1-Hydroxybenzotriazole Preparation Products And Raw materials

Raw materials

Preparation Products


1-Hydroxybenzotriazole Suppliers

Global( 527)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86(0)13336195806 +86-571-85586718
+86-571-85864795 sales@capotchem.com China 19929 60
Henan DaKen Chemical CO.,LTD.
+86-371-55531817
info@dakenchem.com CHINA 21838 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 22625 55
Shanghai Yingrui Biopharma Co., Ltd.
+86-21-33585366 E-mail:sales03@shyrchem.com
+86-21-34979012 sales03@shyrchem.com CHINA 739 60
Nanjing Finetech Chemical Co., Ltd.
025-85710122 17714198479
025-85710122 sales@fine-chemtech.com CHINA 890 55
ATK CHEMICAL COMPANY LIMITED
+86 21 5161 9050/ 5187 7795
+86 21 5161 9052/ 5187 7796 ivan@atkchemical.com CHINA 24754 60
AB PharmaTech,LLC
323-480-4688
323-480-4688 sales01@abpharmatechusa.com United States 989 55
Hebei Chisure Biotechnology Co., Ltd.
+8613292890173
0311 66567340 luna@speedgainpharma.com CHINA 1009 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 30043 58
SHANDONG ZHI SHANG CHEMICAL CO.LTD
+86 18953170293
+86 0531-67809011 sales@sdzschem.com CHINA 2995 58

View Lastest Price from 1-Hydroxybenzotriazole manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-16 1-Hydroxybenzotriazole
2592-95-2
US $11.00 / KG 1KG 99% 1000KG career henan chemical co
2018-08-15 1-Hydroxybenzotriazole
2592-95-2
US $1.00 / KG 1KG 99% 20kg career henan chemical co
2019-04-15 1-Hydroxybenzotriazole
2592-95-2
US $1.00-1.00 / kg 1kg 99% 500KG Hebei Jimi Trading Co., Ltd.

1-Hydroxybenzotriazole Spectrum


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