Request Quote
Specialty Additives Available — Bulk Only

Lactose Monohydrate

CAS 64044-51-5 · Formula C12H24O12 · MW 360.31 g/mol

The workhorse lactose grade for tablet and capsule filling and dry-blend dilution. It is used as a diluent and filler-binder in pharmaceutical tablets and capsules and as an ingredient in food products.

Part of Specialty Additives
Request SDS
HS Code
1702.11
At a Glance
Material Family
Specialty Additives
Record Type
Pure compound
Primary Role
Thickening / Rheology
Functional Roles
Thickening / Rheology
Industries Served
Food & Beverage HI&I Cleaning Water Treatment
Applications & Use Cases
  • ▸ Tablet diluent: filler-binder for tablets and capsules
  • ▸ Dry-blend carrier: bulking carrier for powder blends and dry mixes
  • ▸ Food ingredient: carbohydrate ingredient in food products
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

Request SDS →
HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
1702 . 11
Chapter 17
Chemical product (see national tariff schedule for the full classification)
Heading 17.02
Internationally harmonized (WCO HS)
Subheading 1702.11
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
64044-51-5
Molecular Formula
C12H24O12
Molecular Weight
360.31 g/mol
IUPAC Name
(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;hydrate
PubChem CID
104938
InChI Key
WSVLPVUVIUVCRA-KPKNDVKVSA-N
Synonyms & Trade Names
alpha-Lactose monohydrate alpha-D-Glucopyranose, 4-O-beta-D-galactopyranosyl-, monohydrate Lactose monohydrate alpha-D-Lactose monohydrate D-Lactose monohydrate Respitose a-D-Glucopyranose, 4-O-b-D-galactopyranosyl-, monohydrate alpha-lactose hydrate Lactose monohydrate [NF] Inhalac 120 (contains b anomer) 4-O-beta-D-Galactopyranosyl-alpha-D-glucose Lactose monohydrate (NF)
Full Description

Lactose Monohydrate (CAS 64044-51-5) is the crystalline monohydrate of lactose, supplied as a white powder. It is used as a diluent and filler-binder in pharmaceutical tablets and capsules and as an ingredient in food products.

Frequently Asked Questions

What is Lactose Monohydrate NF?

Lactose Monohydrate (CAS 64044-51-5) is the crystalline monohydrate of lactose, supplied as a white NF-grade powder. It is a disaccharide of galactose and glucose used as a pharmaceutical diluent/filler-binder and as a carbohydrate ingredient in food products.

What is lactose monohydrate powder used for?

It is used as a diluent and filler-binder in pharmaceutical tablets and capsules, as a bulking carrier for powder blends and dry mixes (including dry-blend carriers), and as a carbohydrate ingredient in food products. RawSource supplies NF Powder #315 to manufacturers.

Does lactose monohydrate contain dairy?

Yes. Lactose is the sugar of milk and is dairy-derived. This product is a purified NF-grade lactose; specify any allergen or dairy-statement documentation needs on your RFQ.

What is the difference between lactose monohydrate and anhydrous lactose?

Lactose monohydrate carries one water of crystallization; anhydrous lactose is water-free. Monohydrate powder grades like #315 are widely used in wet granulation and as carriers, whereas anhydrous directly-compressible grades suit moisture-sensitive direct-compression tableting.

What is the HS code and bulk packaging for Lactose Monohydrate NF?

It classifies under HS 1702.11 (lactose 99% or more). RawSource ships bulk powder in bags and palletized packaging to pharmaceutical and food manufacturers, with NF Certificate of Analysis and SDS available on request. Submit your volume for a bulk quote.

Related Products
Subtilisin (Detergent-Grade Protease)
CAS 9014-01-1
Specialty Additives
2,6-Dichlorotoluene
CAS 118-69-4 · C7H6Cl2
Specialty Additives
Trimellitic Anhydride (TMA)
CAS 552-30-7 · C9H4O5
Specialty Additives
Paraffin Wax
CAS 8002-74-2
Specialty Additives
Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.
Bulk & Specialty Sourcing

Ready to Source Lactose Monohydrate?

Our procurement team handles specification confirmation, lead time, and logistics.

Request a Quote Browse the Catalog