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L254

Sigma-Aldrich

D-Lactose monohydrate

ACS reagent

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Synonym(s):
β-D-Gal-(1→4)-D-Glc, 4-O-β-D-Galactopyranosyl-D-glucose, Milk sugar
Empirical Formula (Hill Notation):
C12H22O11 · H2O
CAS Number:
64044-51-5
Molecular Weight:
360.31
Beilstein:
3768231
EC Number:
200-559-2
MDL number:
MFCD00166994
UNSPSC Code:
12352100
PubChem Substance ID:
329817398
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

form

powder

optical activity

[α]22/D +52.4°, c = 4.5 in H2O

impurities

dextrose, passes test
 sucrose, passes test
≤0.005% insolubles
4.0-6.0% water

ign. residue

≤0.03%

mp

219 °C (dec.)

cation traces

Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP)

SMILES string

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

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

InChI key

HBDJFVFTHLOSDW-XBLONOLSSA-N

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Related Categories

Application

  • Synthesis of lactose-based surfactants: Research by Enayati, Gong, and Abbaspourrad demonstrated the use of d-Lactose monohydrate in the synthesis of lactose lauryl ester, employing aluminosilicate zeolite as a catalyst. This study presents a method for producing non-ionic surfactants, highlighting d-Lactose monohydrate′s role in industrial and pharmaceutical applications (Enayati et al., 2019).

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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