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Lactose Monohydrate, CAS No.: 5989-81-1

Name: Lactose Monohydrate, CAS No.: 5989-81-1
Brand: HANDOM CHEM
SKU: pr2311071725
Price: 2.88 USD
Availability: InStock

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CAS No.:

5989-81-1

Grade:

Pharmaceutical Grade

Content:

98%

Port:

Shanghai or Beijing

Brand:

HANDOM CHEM

Packaging:

1kg/aluminum foil bag, 25kg/paper-plastic composite bag

Price valid (until):

2023-12-07

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DALIAN HANDOM CHEMICALS CO.,LTD.

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Semaglutide,Tirzepatide,HCG,Retatrutide,Cagrilintide,Medetomidine

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Product Description
Seller Information
Inquiry History

Description

Product Details

Product Name: Lactose Monohydrate
Chemical Name: 4-O-beta-D-Galactopyranosyl-D-glucose
CAS No.: 5989-81-1
EINECS No.: 611-913-4
Molecular Formula: C12H22O11·H2O
Molecular Weight: 360.31

Brief Introduction:
Lactose monohydrate is a hydrate with the chemical structural formula C12H22O11•H2O. It is a mixture of sucrose and lactose and has a variety of physiological activities and medicinal applications.
Lactose monohydrate is one of the main components of dairy products and one of the important energy sources for humans. After the human body ingests lactose monohydrate, it can be decomposed into glucose and fructose through the action of digestive enzymes, and further participates in the energy metabolism process.

Shop Lactose Monohydrate, CAS No.: 5989-81-1-Detailed Image 1

Test Items	Specifications
Appearance	White free-flowing powder
Solubility	Freely but slowly soluble in water, practically insoluble in alcohol
Identification	(1) The retention of the main peak of the test solution in the chromatogram recorded under the content determination item should be consistent with the retention time of the main peak of the reference solution.
Identification	(2) The infrared light absorption profile of the product should be consistent with that of the control.
Optical Rotation	+54.4° ~ +55.9°
Acidity/Alkalinity	Take 6.0g of this product and check according to law, the solution is colourless, and not more than 0.4ml of 0.1 N sodium hydroxide is required to produce a pink to red colour.
Clarity and Colour of Solution	Take 1.0g of this product, add 10ml boiling water to dissolve, check according to law, the solution should be clear and nearly colourless.
Clarity and Colour of Solution	Take this product, determine according to law, measure absorbance at 400nm wavelength, not more than 0.04
Protein and impurity absorbance	210nm ~ 220nm: Not more than 0.25
Protein and impurity absorbance	270nm ~ 300nm: Not more than 0.07
Loss on Drying	Not more than 0.5%
Water	4.5% ~ 5.5%
Residue on Ignition	Not more than 0.1%
Heavy Metals	Not more than 5ppm
Arsenic Salt	Take the residue under the burning residue, check according to law, should comply with the regulations (0.0002%).
Total Aerobic	Microbial Count Not more than 100CFU/g
Total Yeasts and Moulds Count	Not more than 50CFU/g
Escherichia coli	Negative/g
Content	The chemical name of this product is 4-O-beta-D-Galactopyranosyl-D-glucose. Containing C12H22O11 should be between 98.0% and 102.0%.
Rotap Particle Size	Not less than 80% pass through 75μm sieve
Rotap Particle Size	Not less than 99% pass through 150μm sieve

Applications:
Lactose monohydrate is widely used as a filler and diluent in tablets and capsules, and as a diluent in powder inhalers. Lactose is added to lyophilized solutions to increase volume and aid in lyophilized mass formation.

Medicinal lactose is an excellent filling and binding new excipient. It can not only improve the hardness of tablets, increase wear resistance, make the appearance smooth and delicate, but also improve the intrinsic "dissolution" performance. It can especially promote bioavailability in the body for poorly soluble drugs.

Packaging:
1kg/aluminum foil bag, 25kg/paper-plastic composite bag.

Storage Conditions:
Preserved in unopened original containers in a cool dry place before using; kept away from direct sunlight, heat and moisture.

Shelf Life:
24 months if stored under above mentioned conditions.

Certificates

Basic Info

Product Name:

α-Lactose monohydrate

Other Name:

α-D-Glucopyranose,4-O-β-D-galactopyranosyl-,hydrate (1:1);Lactose,monohydrate,α-;α-D-Glucopyranose,4-O-β-D-galactopyranosyl-,monohydrate;α-Lactose monohydrate;α-D-Lactose monohydrate;4-O-β-D-Galactopyranosyl-α-D-glucopyranose monohydrate;Zeparox;Pharmatose DCL 11;Pharmatose 50M;GranuLac 200;Lactose D 80;Pharmatose 90M;Granulac 230;Lactose 100M;Pharmatose 150M;Aeroflo 95;Aeroflo 65;Aeroflo 20;Inhalac 120;Inhalac 230;Pharmatose 325;Flowlac 200;Lactosum D 80;Lactochem;InhaLac 400;96231-95-7;60004-41-3

CAS No.:

5989-81-1

Molecular Formula:

C12H22O11.H2O

InChIKeys:

InChIKey=WSVLPVUVIUVCRA-KPKNDVKVSA-N

Molecular Weight:

360.31

Exact Mass:

360.126770

EC Number:

200-559-2

UNII:

EWQ57Q8I5X

DSSTox ID:

DTXSID2051421|DTXSID1052828

HScode:

17021100

Categories:

Saccharides

Characteristics

PSA:

191

XLogP3:

-5.46150

Appearance:

White powder

Density:

1.53 g/cm3

Melting Point:

201-202 °C

Boiling Point:

667.931°C at 760 mmHg

Flash Point:

357.8ºC

Refractive Index:

1.652

Water Solubility:

soluble in water.H2O: soluble 1M, clear, colorless

Storage Conditions:

Store in air tight containers.

Collision Cross Section:

176.8 Å² [M-H]-

See More α-Lactose monohydrate Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More α-Lactose monohydrate Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Semaglutide,Tirzepatide,HCG,Retatrutide,Cagrilintide,Medetomidine

Location:
RM702, Building 21, Liuhe Road, Ganjingzi Dist, Dalian, Liaoning, China

Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
15

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2020

Dalian Handom Chemicals Co., Ltd.(HDC CHEM) is a professional 15-Year-Experienced Supplier of APIs & Intermediates, Pharmaceutical Excipients, Food & Nutraceutical Ingredients, Personal Care Chemicals and Specialty Chemicals from northeast of China, which strives to provide customers with high-quality products and comprehensive service across all over the world, our main products cover Retatrutide Lyophilized Powder, Retatrutide, Tirzepatide, Tirzepatide Lyophilized Powder, Semaglutide, Mazdutide, Cagrilintide, LL-37, Thymosin Alpha 1(Thymosin α1), MT-2, MOTS-c, HEP-1, TB-500, NAD+, GHK-Cu, Glow, Klow, Selank, Semax, Glutathione, 5-Amino-1MQ, ARA-290, SS-31, DSIP, SNAP-8, Medetomidine, Medetomidine Hydrochloride, Salcaprozate Sodium, Sodium 8-(2-hydroxybenzamido)octanoate, 2,6-Dimethyl Beta Cyclodextrin, mPEG-DMG-2K, mPEG-DSPE-2K, 1,2-Distearoyl-sn-3-phosphacholine(DSPC), 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine(DOPE), Pharmaceutical Grade Fructose, Lactose Anhydrous, Lactose Monohydrate, Orotic acid anhydrous, Orotic acid monohydrate, 6-Methyluracil, Chitosan, Mushroom Chitosan, Chitosan Hydrochloride, Chitosan Oligosaccharide, Alginate Oligosaccharide, Inulin, L-Serine, Mung Bean Peptide, Walnut Peptide, Rice Peptide, Oyster Peptide, Sea Cucumber Peptide, Hydrolyzed Keratin, Folic Acid, Vitamin E Acetate, Vitamin B2, Riboflavin Sodium Phosphate, Pyridoxal 5'-phosphate Monohydrate, Vegan Vitamin D3, Vitamin A Palmitate, Vitamin A Acetate, Apple Pectin, Citrus Pectin, Sunflower Pectin, Salidroside, Urolithin A, Milk Thistle Extract, Saffron Extract, Red Clover Extract, Sulforaphane, Glucoraphanin, Soy Isoflavones, Soy Lecithin, Soya Lecithin, Egg Yolk Lecithin, Phosphatidylserine, Cooling Agent WS-3, Cooling Agent WS-5, Cooling Agent WS-10, Cooling Agent WS-12, Cooling Agent WS-23, Cooling Agent WS-27, Menthyl Lactate, Menthyl PCA, Avobenzone, Benzophenone-3 (UV-9), Benzophenone-4 (UV-284), Bis-ethylhexyloxyphenol Methoxyphenyl Triazine (Bemotrizinol), Diethylaminohydroxybenzoyl Hexyl Benzoate (UVA Plus), Diethylhexyl Butamido Triazone (Iscotrizinol), Disodium Phenyl Dibenzimidazole Tetrasulfonate (DPDT), Ethylhexyl Triazone (UVT-150), Homosalate, Octocrylene, 2-Ethylhexyl Salicylate (Octyl Salicylate), 2-Ethylhexyl Trans-4-Methoxycinnamate (OMC), 2-Phenylbenzimidazole-5-Sulfonic Acid (UV-T), Lanolin Anhydrous, Palmitoyl Tripeptide-5, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Biotinoyl Tripeptide-1, etc.

Inquiry History

5 Inquiries

Country	Product	Purchase Quantity	Date Posted
Pakistan	Lactose Monohydrate	1 20' Fcl	Feb 25, 2026
India	Lactose monohydrate	5.00 MT	May 24, 2025
Vietnam	Lactose monohydrat	500 KG	Jul 30, 2025
India	lactose monohydrate powder 200mesh	20.00 MT	Mar 15, 2024
France	LACTOSE MONOHYDRATE	20 MT	Oct 30, 2023

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