Molekula
D(+)-Lactose monohydrate
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
D(+)-Lactose monohydrate is a naturally occurring disaccharide derived from milk, widely used as a filler, binder, and sweetener in pharmaceuticals, food processing, and laboratory applications. It is also employed in culture media for microbiological growth and as a bulking agent in dietary supplements. This chemical has a CAS number of 10039-26-6, with a molecular formula of C12H22O11·H2O and a molecular weight of 360.31 g/mol. It can be stored at ambient conditions and carries no signal word for hazards. Molekula supplies D(+)-Lactose monohydrate 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.
-
1 kg — £57.50 per pack ex VAT · £69.00 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 crystalline powder |
| Purity (HPLC) | ≥ 96% |
| Identification | Conforms to reference |
| Solubility | Clear colourless solution |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 17095289 |
| CAS Number | 10039-26-6 |
| IUPAC Name | (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;hydrate |
| Molecular Formula | C12H22O11·H2O |
| Molecular Weight | 360.31 |
| Exact Mass | 360.1268 |
| SMILES | C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](OC([C@@H]([C@H]2O)O)O)CO)O)O)O)O.O |
| InChIKey | WSVLPVUVIUVCRA-RJMJUYIDSA-N |
| InChI | InChI=1S/C12H22O11.H2O/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17;/h3-20H,1-2H2;1H2/t3-,4-,5+,6+,7-,8-,9-,10-,11?,12+;/m1./s1 |
| PubChem CID | 62223 |
| REACH Code | Y113 |
| HTS Code | 1702.11.0000 |
| Tariff Code | 1702110000 |
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
- 4-O-beta-D-Galactopyranosyl-D-glucopyranose--water (1/1)
- D-Glucopyranose, 4-O-beta-D-galactopyranosyl-, monohydrate
- lactose hydrate
- Lactose, monohydrate
- Pharmatose 200M; Pharmatose 450M
Frequently asked questions
What is D(+)-Lactose monohydrate commonly used for?
D(+)-Lactose monohydrate is widely used in the pharmaceutical industry as an excipient in tablets and capsules, as well as in food and beverage production as a sweetener, filler, or carrier for flavors and colors.
What is the chemical formula and molecular weight of D(+)-Lactose monohydrate?
The chemical formula is **C₁₂H₂₂O₁₁·H₂O**, and the molecular weight is **360.31 g/mol**.
How should D(+)-Lactose monohydrate be stored?
Store in a cool, dry place at ambient temperature, away from moisture and strong odors, in a tightly sealed container.
What grades of D(+)-Lactose monohydrate does Molekula supply?
Molekula supplies **pharmaceutical-grade (USP/EP/JP compliant)** and **food-grade** D(+)-Lactose monohydrate, depending on customer requirements.
Can Molekula supply D(+)-Lactose monohydrate in bulk quantities?
Yes, Molekula can supply D(+)-Lactose monohydrate in bulk, with packaging options including drums (25 kg) and bulk bags (500 kg or larger).
What documentation is provided with an order of D(+)-Lactose monohydrate?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and, for pharmaceutical-grade, a **Certificate of Conformity (CoC)** to USP/EP/JP standards.
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.