HEPBS CAS 161308-36-7 Purity >99.0% (Titration) Biological Buffer UltraPure
Shanghai Ruifu Chemical Co., Ltd. is the leading supplier of HEPBS (CAS: 161308-36-7) with high quality, commercial production. Ruifu can supply a series of biological buffers, can provide worldwide delivery, small and bulk quantities available, strong after-sale service. Welcome to order. Please contact: alvin@ruifuchem.com
Chemical Name | HEPBS |
Synonyms | N-(2-Hydroxyethyl)piperazine-N'-(4-Butanesulfonic Acid) |
CAS Number | 161308-36-7 |
Stock Status | In Stock, Production Scale Up to Tons |
Molecular Formula | C10H22N2O4S |
Molecular Weight | 266.36 |
Density | 1.251±0.06 g/cm3 |
COA & MSDS | Available |
Origin | Shanghai, China |
Product Categories | Biological Buffers |
Brand | Ruifu Chemical |
Item | Specifications |
Appearance | White Crystalline Powder |
Purity / Analysis Method | >99.0% (Titration by NaOH) (Anhydrous) |
Melting Point | 211.0~216.0℃ |
Water (by Karl Fischer) | <1.00% |
Heavy Metals (as Pb) | <5ppm |
Useful pH Range | 7.6~9.0 |
pKa (25℃) | 8.3 |
Solubility (Turbidity) | Clear to Slightly Hazy (10% aq. Solution) |
Solubility (Color) | Colorless (10% aq. Solution) |
UV A260nm | <0.04 (0.1M aq. Solution) |
UV A280nm | <0.02 (0.1M aq. Solution) |
Test Standard | Enterprise Standard |
Shelf Life | 24 Months if Stored Properly |
Usage | Biological Buffer |
Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry and well-ventilated warehouse away from incompatible substances. Protect from light and moisture. Keep away from fire and heat source.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery.


Hazard Symbols Xi - Irritant
Risk Codes
36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
WGK Germany 3
HS Code 2934999099
HEPBS (CAS: 161308-36-7) is a homolog of HEPES and EPPS buffer with a higher pKa (8.3) and similar utility in biological systems. Useful pH range 7.6~9.0. This makes it possible to use it for cell culture work.
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