Molekula
Betaine anhydrous
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Betaine anhydrous is a zwitterionic compound used as a stabilizer, osmolyte, and chemical intermediate in pharmaceuticals, cosmetics, and animal feed. It is also used in soldering and resin-curing flux formulations, as a reagent in organic synthesis, and as a feeding attractant in aquaculture feeds for fish. It is a white crystalline powder with a molecular weight of 117.15 g/mol, CAS number 107-43-7, and molecular formula (CH3)3N+CH2COO−. It is stable at ambient temperatures and has no signal word. Molekula supplies Betaine anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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50 g — £33.10 per pack ex VAT · £39.72 inc. VAT
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1 kg — £198.30 per pack ex VAT · £237.96 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Ash | ≤3% |
| Heavy metals | ≤0.001% |
| Loss on Drying | ≤2% |
| Chloride (Cl-) | ≤0.2% |
| Assay | ≥97% |
| Appearance of Solution | Clear and colourless |
| Water (KF) | <1.0% |
| Identification (IR) | Conforms to structure |
| Arsenic (As) | ≤0.0002% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Deliquescent scales or prisms |
| Melting Point | 301-305°C |
| Water Solubility | 611 g/L at 19 °C |
| Solubility (other solvents) | Solubility (g/100 g solvent): methanol, 55; ethanol, 8.7. Sparingly soluble in ether |
| Vapour Pressure | 0.00000053 mmHg |
| pKa | pKa = 1.83 |
Source: PubChem CID 247 (HSDB, DrugBank, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 25139192 |
| CAS Number | 107-43-7 |
| IUPAC Name | 2-(trimethylazaniumyl)acetate |
| EC Number | 203-490-6 |
| Molecular Formula | (CH3)3N+CH2COO- |
| Molecular Weight | 117.15 |
| Exact Mass | 117.079 |
| SMILES | C[N+](C)(C)CC(=O)[O-] |
| InChIKey | KWIUHFFTVRNATP-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H11NO2/c1-6(2,3)4-5(7)8/h4H2,1-3H3 |
| PubChem CID | 247 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29239001 |
| Tariff Code | 2923900090 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 2-(trimethylazaniumyl)acetate
- Abromine
- betaine
- glycine betaine
- Glycocoll betaine
- Glycylbetaine
- lycine
- oxyneurine
- Trimethylglycine
- Trimethylglycocoll
Frequently asked questions
What is Betaine anhydrous used for?
Betaine anhydrous is commonly used as a stabilizer in biochemical assays and as a osmoprotectant in cell culture media.
What is the chemical formula and molecular weight of Betaine anhydrous?
The formula is (CH3)3N+CH2COO- and the molecular weight is 117.15 g/mol.
How should Betaine anhydrous be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of Betaine anhydrous is available?
Molekula supplies Betaine anhydrous in reagent grade.
Can Molekula supply Betaine anhydrous in bulk?
Yes, Molekula can supply Betaine anhydrous in bulk quantities upon request.
What documentation comes with a Betaine anhydrous order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.