64044-51-5

Name D-Lactose monohydrate
CAS 64044-51-5
EINECS(EC#) 200-559-2
Molecular Formula C12H24O12
MDL Number MFCD00071587
Molecular Weight 360.31
MOL File 64044-51-5.mol

Chemical Properties

Appearance white or cream powder
Melting point  ~215 °C (dec.)
density  1.525
storage temp.  2-8°C
solubility  H2O: 0.1 g/mL, clear, colorless
form  Crystalline
color  White
Specific Gravity 1.525
PH 3.5-6.0 (25℃, 0.5M in H2O)
Stability: Stable. Incompatible with strong oxidizing agents.
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  14,5343
BRN  3768231
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 Data

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P301+P312-P302+P352-P304+P340-P305+P351+P338
Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany  3
RTECS  OD9625000
F  3
TSCA  Yes
HS Code  17021900
Storage Class 11 - Combustible Solids

Hazard Information

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