Molekula
ACES (N-(2-Acetamido)-2-aminoethanesulfonic acid) for SD
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
ACES (N-(2-Acetamido)-2-aminoethanesulfonic acid) is a zwitterionic buffer widely used in biochemical research, protein stabilization, and enzyme assays due to its pH stability across a broad range. It is particularly valued in applications requiring minimal ionic interference, such as electrophoresis and crystallography. ACES has a CAS number of 7365-82-4, with the molecular formula H2NCOCH2NHCH2CH2SO3H and a molecular weight of 182.20 g/mol. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies ACES from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
ACES (N-(2-Acetamido)-2-aminoethanesulfonic acid) is a zwitterionic buffer widely used in biochemical research, protein stabilization, and enzyme assays due to its pH stability across a broad range. It is particularly valued in applications requiring minimal ionic interference, such as electrophoresis and crystallography. ACES has a CAS number of 7365-82-4, with the molecular formula H2NCOCH2NHCH2CH2SO3H and a molecular weight of 182.20 g/mol. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies ACES from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Water | <0.5% |
| pH | 3.5 - 4.5 |
| Residue on Ignition | <0.1% |
| Assay (Titration) | >99% |
| Iron (Fe) | <5ppm |
| Lead (Pb) | <5ppm |
| A260 (0.1M aq.) | <0.020 |
| A280 (0.1M aq.) | <0.010 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90026796 |
| CAS Number | 7365-82-4 |
| Molecular Formula | H2NCOCH2NHCH2CH2SO3H |
| Molecular Weight | 182.20 |
| SMILES | C(CS(=O)(=O)O)NCC(=O)N |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2924.19.8000 |
| Tariff Code | 2924190090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is ACES (N-(2-Acetamido)-2-aminoethanesulfonic acid) used for in sodium dodecyl sulfate (SDS) applications?
ACES is primarily used as a buffering agent in SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis) to maintain stable pH during protein separation, ensuring optimal resolution and reproducibility.
What is the chemical formula and molecular weight of ACES?
The chemical formula of ACES is **H₂NCOCH₂NHCH₂CH₂SO₃H**, and its molecular weight is **182.20 g/mol**.
How should ACES be stored?
ACES should be stored at **ambient conditions** in a dry, well-ventilated area, away from direct sunlight and incompatible substances.
What purity grades of ACES does Molekula supply?
Molekula supplies ACES in **analytical and biochemical grades**, suitable for SDS-PAGE and other high-purity applications.
Can Molekula supply ACES in bulk quantities?
Yes, Molekula can supply ACES in bulk, with quantities tailored to meet research, industrial, or commercial needs—please contact us for specific pricing and availability.
What documentation comes with an ACES order from Molekula?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation to ensure traceability and compliance.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.