7365-45-9
C8h18n2o4s
230-907-9
Powder
Pharmaceutical Intermediates
Refined
White
Available
99%
ISO9001/SGS
1kg/5kg/10kg/25kg
in Stock
5-7 Working Days
2-3 Years
Available
Air/Express/Sea
10g
Yunbang
Drum/Bottle/Bags
China
Product Description
HEPES,CAS 7365-45-9,2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid


HEPES Chemical Properties |
Melting point | 234-238 °C |
density | 1.07 g/mL at 20 °C |
refractive index | n20/D 1.339 |
storage temp. | 2-8°C |
solubility | H2O: 1 M at 20 °C, clear, colorless |
form | powder |
color | White |
PH | 5.0-6.5 (1Maqueous solution) |
PH Range | 7.0 - 7.6 |
pka | 7.5(at 25ºC) |
Water Solubility | Soluble |
λmax | λ: 260 nm Amax: 0.06 λ: 280 nm Amax: 0.04 |
Merck | 14,4654 |
BRN | 883043 |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. Protect from moisture. |
InChIKey | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
CAS DataBase Reference | 7365-45-9(CAS DataBase Reference) |
EPA Substance Registry System | 1-Piperazineethanesulfonic acid, 4-(2-hydroxyethyl)- (7365-45-9) |
Safety Information |
Hazard Codes | Xi |
Risk Statements | 36/37/38 |
Safety Statements | 24/25-22-36-26 |
WGK Germany | 1 |
RTECS | TL6809000 |
TSCA | Yes |
HS Code | 29335995 |
MSDS Information |
HEPES Usage And Synthesis |
Chemical Properties | White crystalline powder |
Uses | Non-toxic to cell. It is used as a hydrogen ion buffer, which can control the constant pH range for long term. The concentration is 10-50mmol/L. Generally, 20mmol/LHEPES in nutrient solution can get buffer ability. |
Uses | Biological buffer. |
Definition | ChEBI: A HEPES that is ethanesulfonate substituted by a 4-(2-hydroxyethyl)piperazin-4-ium-1-yl group at position 2. |
Biological Activity | Multi purpose buffer used in biological research. |
Purification Methods | Crystallise the acid from hot EtOH and water. It is a useful buffer. [Beilstein 23 V 376.] |




Company Informations:
Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".
We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.
R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.
Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.