Lactose Monohydrate CAS#64044-51-5
Lactose Monohydrate (CAS# 64044-51-5) is a crystallized, highly refined form of milk sugar. Chemically, it is a disaccharide built from one glucose unit and one galactose unit.
This ingredient serves a broad range of applications across the pharmaceutical, food, and chemical sectors, and is typically supplied as a white crystalline powder.
Lactose monohydrate Chemical Properties
| Melting point | ~215 °C (dec.) |
| density | 1.525 |
| storage temp. | room temp |
| solubility | H2O: 0.1 g/mL, clear, colorless |
| form | Crystalline |
| Specific Gravity | 1.525 |
| color | White |
| PH | 3.5-6.0 (25℃, 0.5M in H2O) |
| Optical Rotation | [α]22/D +52.4°, c = 4.5 in H2O |
| Water Solubility | Soluble in water (warm) (0.1 g/mL), and ethanol (very slightly soluble). Insoluble in chloroform, and ether. |
| λmax | λ: 260 nm Amax: 0.02 |
| λ: 280 nm Amax: 0.02 | |
| Merck | 145343 |
| BRN | 3768231 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChI | 1S/C12H22O11.H2O/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12;/h1,4-12,14-21H,2-3H2;1H2/t4-,5+,6+,7+,8-,9-,10+,11+,12-;/m0./s1 |
| InChIKey | HBDJFVFTHLOSDW-XBLONOLSSA-N |
| SMILES | O.OC[C@@H](O)[C@@H](O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C=O |
| LogP | -3.409 (est) |
| CAS DataBase Reference | 64044-51-5(CAS DataBase Reference) |
| NIST Chemistry Reference | Lactose monohydrate(64044-51-5) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-24/25 |
| WGK Germany | 3 |
| RTECS | OD9625000 |
| F | 3 |
| TSCA | Yes |
Product Application of Lactose Monohydrate CAS#64044-51-5
Lactose Monohydrate serves as a pharmaceutical secondary standard for quality control applications, providing laboratories and manufacturers with a convenient, cost-effective alternative to preparing working standards in-house.
Company Profile
Furuida (Jinan) Chemical Technology Co., Ltd., headquartered in Shandong, China, is a modern fine chemical enterprise integrating R&D, production, sales, and global services. With a strong focus on new chemical materials, the company is guided by the core values of integrity, quality, and customer-first service. Through ongoing innovation and rigorous quality management, it continues to expand its global footprint, elevate operational standards, and strengthen its brand reputation.
The company is supported by a professional foreign trade and technical service team, a mature global supply network, and robust supply chain capabilities. With annual sales exceeding RMB 600 million, it serves over 5,000 industrial clients worldwide. Its business activities span numerous countries across Asia, Europe, Africa, and Oceania, building a loyal and expanding global customer base and earning a strong reputation within the industry.
Furuida's core product portfolio includes pharmaceutical intermediates and raw materials, food additives, electroplating chemicals, water treatment agents, dye auxiliaries, functional materials, titanium compounds, metal salts, catalysts, and surfactants. These products are widely applied in pharmaceuticals, electronics, coatings, rubber and plastics, fine chemicals, and water treatment. The company remains dedicated to providing its global partners with stable, cost-effective chemical products and comprehensive one-stop service solutions
