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ChemicalBook >> CAS DataBase List >> HEPES

HEPES

HEPES price.
  • $6 - $17250
  • Product name: HEPES
  • CAS: 7365-45-9
  • MF: C8H18N2O4S
  • MW: 238.3
  • EINECS:230-907-9
  • MDL Number:MFCD00006158
  • Synonyms:HEPES 2-[4-(2-HYDROXYETHYL)-1-PIPERAZINYL]ETHANESULFONIC ACID MOLECULAR BIOLOGY GRADE;HEPES 2-[4-(2-HYDROXYETHYL)-1-PIPERAZINYL]ETHANESULFONIC ACID 99+%;N-(2-HYDROXYETHYL)-PIPERAZINE-N'-2-ETHANESULFONIC ACID(4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID(HEPES-ACID));Hepes,FreeAcid(N-[2-Hydroxyethyl]Piperaz;1-HeptaneSulfonicAcidSod.SaltGr;N-(2-Hydroxyethyl)Piperazine-N'-(3-EthanesulfonicAcid);N-(2-Hydroxyethyl)Piperazine-N'-(2-EthanesulfonicAcid)(Hepes);Hepes,LowSodium,FreeAcid
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Brand

  • AK Scientific
  • Alfa Aesar
  • Ambeed
  • American Custom Chemicals Corporation
  • ApexBio Technology
  • Apolloscientific
  • Chem-Impex
  • Crysdot
  • Frontier Specialty Chemicals
  • Matrix Scientific
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • Tocris
  • TRC
  • Usbiological

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  • 1pkg
  • ManufacturerAK Scientific
  • Product numberJ94222
  • Product descriptionHEPES
  • Packaging25g
  • Price$10
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberG180
  • Product descriptionHEPES
  • Packaging25g
  • Price$14
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA14777
  • Product descriptionHEPES, 99%
  • Packaging10g
  • Price$24.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ67405
  • Product descriptionHEPES Buffer, 0.2M buffer soln., pH 7.0, low endotoxin
  • Packaging100ml
  • Price$39.8
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ67320
  • Product descriptionHEPES Buffer, 0.2M buffer soln., pH 6.5, low endotoxin
  • Packaging100ml
  • Price$50.9
  • Updated2022-04-27
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ63614
  • Product descriptionHEPES, 0.5M buffer soln., pH 9.0
  • Packaging100ml
  • Price$52.6
  • Updated2021-12-16
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  • ManufacturerAlfa Aesar
  • Product numberJ67257
  • Product descriptionHEPES Buffer, 0.2M buffer soln., pH 7.5, low endotoxin
  • Packaging100ml
  • Price$53.2
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA14777
  • Product descriptionHEPES, 99%
  • Packaging50g
  • Price$58.1
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ61360
  • Product descriptionHEPES, 1.0M buffer soln., pH 8.5
  • Packaging500ml
  • Price$215
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberJ63578
  • Product descriptionHEPES, 1.0M buffer soln., pH 8.0
  • Packaging500ml
  • Price$218
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberJ60712
  • Product descriptionHEPES, 1.0M buffer soln., pH 7.5
  • Packaging500ml
  • Price$225
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberJ16924
  • Product descriptionHEPES, 1M soln., pH 7.3, Molecular Biology Grade, Ultrapure, Affymetrix/USB
  • Packaging1L
  • Price$285
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberJ16926
  • Product descriptionHEPES, 99+% (dry basis), Ultrapure, Affymetrix/USB
  • Packaging1kg
  • Price$509
  • Updated2024-03-01
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  • ManufacturerAlfa Aesar
  • Product numberJ16926
  • Product descriptionHEPES, 99+% (dry basis), Ultrapure, Affymetrix/USB
  • Packaging5kg
  • Price$1897.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ60712
  • Product descriptionHEPES, 1.0M buffer soln., pH 7.5
  • Packaging250ml
  • Price$179
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberJ63578
  • Product descriptionHEPES, 1.0M buffer soln., pH 8.0
  • Packaging250ml
  • Price$179
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific J94222 HEPES 25g $10 2021-12-16 Buy
AK Scientific G180 HEPES 25g $14 2021-12-16 Buy
Alfa Aesar A14777 HEPES, 99% 10g $24.65 2024-03-01 Buy
Alfa Aesar J67405 HEPES Buffer, 0.2M buffer soln., pH 7.0, low endotoxin 100ml $39.8 2021-12-16 Buy
Alfa Aesar J67320 HEPES Buffer, 0.2M buffer soln., pH 6.5, low endotoxin 100ml $50.9 2022-04-27 Buy
Alfa Aesar J63614 HEPES, 0.5M buffer soln., pH 9.0 100ml $52.6 2021-12-16 Buy
Alfa Aesar J67257 HEPES Buffer, 0.2M buffer soln., pH 7.5, low endotoxin 100ml $53.2 2021-12-16 Buy
Alfa Aesar A14777 HEPES, 99% 50g $58.1 2024-03-01 Buy
Alfa Aesar J61360 HEPES, 1.0M buffer soln., pH 8.5 500ml $215 2024-03-01 Buy
Alfa Aesar J63578 HEPES, 1.0M buffer soln., pH 8.0 500ml $218 2024-03-01 Buy
Alfa Aesar J60712 HEPES, 1.0M buffer soln., pH 7.5 500ml $225 2024-03-01 Buy
Alfa Aesar J16924 HEPES, 1M soln., pH 7.3, Molecular Biology Grade, Ultrapure, Affymetrix/USB 1L $285 2024-03-01 Buy
Alfa Aesar J16926 HEPES, 99+% (dry basis), Ultrapure, Affymetrix/USB 1kg $509 2024-03-01 Buy
Alfa Aesar J16926 HEPES, 99+% (dry basis), Ultrapure, Affymetrix/USB 5kg $1897.65 2024-03-01 Buy
Alfa Aesar J60712 HEPES, 1.0M buffer soln., pH 7.5 250ml $179 2024-03-01 Buy
Alfa Aesar J63578 HEPES, 1.0M buffer soln., pH 8.0 250ml $179 2024-03-01 Buy

Properties

Melting point :234-238 °C
Boiling point :408℃[at 101 325 Pa]
Density :1.07 g/mL at 20 °C
vapor pressure :0Pa at 25℃
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)
pka :7.5(at 25℃)
PH Range :7.0 - 7.6
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
LogP :-3.85 at 20℃
CAS DataBase Reference :7365-45-9(CAS DataBase Reference)
EPA Substance Registry System :1-Piperazineethanesulfonic acid, 4-(2-hydroxyethyl)- (7365-45-9)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Description

HEPES has been described as one of the best all-purpose buffers available for biological research. At biological pH, the molecule is zwitterionic, and is effective as a buffer at pH 6.8 to 8.2 (pKa 7.55). It is typically used in cell culture at concentration between 5mM to 30 mM. HEPES has been used in a wide variety of applications, including tissue culture. It is commonly used to buffer cell culture media in air. HEPES finds its usage in in vitro experiments on Mg.

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