D-Lactose monohydrate
D-Lactose monohydrate Basic information
- Product Name:
- D-Lactose monohydrate
- Synonyms:
-
- ^a-D-Lactose monohydrate, ACS
- Lactose, D(+)-, Monohydrate
- LACTOSE extrapure AR
- β-D-Gal-(1-4)-D-Glc, 4-O-β-D-Galactopyranosyl-D-glucose, Lactosum monohydricum, Milk sugar
- β-D-Gal-(1-4)-D-Glc, 4-O-β-D-Galactopyranosyl-D-glucose, Milk sugar
- Lactose, Monohydrate, Powder, Reagent
- alpha-D-Lactose monohydrate, ACS
- D-(+)-LACTOSE MONOHYDRATE EP STANDARD
- CAS:
- 64044-51-5
- MF:
- C12H22O11.H2O
- MW:
- 360.31
- EINECS:
- 613-418-9
- Product Categories:
-
- Oligosaccharides
- medicine excipents
- Mol File:
- 64044-51-5.mol
D-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 activity
- [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
- 14,5343
- 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)
- EPA Substance Registry System
- Lactose monohydrate (64044-51-5)
Safety Information
- Hazard Codes
- Xi
- Risk Statements
- 36/37/38
- Safety Statements
- 26-36-24/25
- WGK Germany
- 3
- RTECS
- OD9625000
- F
- 3
- TSCA
- Yes
- HS Code
- 17021900
- Storage Class
- 11 - Combustible Solids
MSDS
- Language:English Provider:SigmaAldrich
D-Lactose monohydrate Usage And Synthesis
Description
D-Lactose monohydrate is a type of lactose. D-Lactose is composed of D-galactose and D-glucose. D-Lactose monohydrate can be used as sweetener or excipient.
Chemical Properties
white or cream powder
Uses
mosquito-repellent
Uses
[a]22 +52.4°, c = 4.5 in H2O
Uses
D-Lactose monohydrate can be used as chromatographic adsorbent.
Definition
ChEBI: Alpha-lactose monohydrate is a glycoside.
General Description
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Biochem/physiol Actions
Lactose is a dissacharide formed by the condensation of one galactose and one glucose molecule. Lactose is the major sugar in the milk of most species, typically present between 2-8%. The enzyme lactase hydrolyzes lactose to its constituent monosaccharides. In neonates, glucose released via the action of lactase is a major energy source.
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- MELIBIOSE
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- hydrate
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