Molekula
Starch (Smithies)
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
Starch (Smithies) is a partially hydrolyzed potato starch prepared by the method of Smithies, supplied as a laboratory biochemical for starch gel electrophoresis, where it is used to cast gels for separating proteins and isoenzymes. It is a versatile, biodegradable carbohydrate that enhances texture and functionality in formulations. This product has the CAS number 9005-84-9 and the molecular formula (C6H10O5)n. It requires no special storage conditions and carries no signal word for hazards. Molekula supplies Starch (Smithies) 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.
-
100 g — $58.70 per pack
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 powder |
| Loss on Drying | <15.0% |
| Gel Appearance | Opaque |
| Acidity | Max0.2% |
| Gel time | 23 Minutes |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 43539915 |
| CAS Number | 9005-84-9 |
| Molecular Formula | (C6H10O5)n |
| Molecular Weight | N/A |
| SMILES | C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)O)CO)O)O)O)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 35051000 |
| Tariff Code | 3505109000 |
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, Russian, 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 Smithies Starch commonly used for?
Smithies Starch is a partially hydrolyzed potato starch used as a laboratory reagent for starch gel electrophoresis, in which it forms the gel matrix for separating proteins and isoenzymes.
What is the chemical formula and molecular weight of Smithies Starch?
The chemical formula is (C6H10O5)n, but the molecular weight (MW) is not applicable due to its polymeric nature.
How should Smithies Starch be stored?
Store Smithies Starch in a dry, cool environment at ambient temperature, ensuring it is kept away from moisture and contaminants.
What grades of starch does Molekula supply for Smithies Starch?
Molekula supplies Smithies Starch in food-grade and industrial-grade forms, depending on the application requirements.
Can Molekula supply Smithies Starch in bulk quantities?
Yes, Molekula can supply Smithies Starch in bulk, with flexible packaging options including bags, drums, or bulk containers.
What documentation comes with an order of Smithies Starch?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet to ensure compliance and quality assurance.
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.