Difference between revisions of "Lactose"
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4-o-beta-D-galactopyranosyl-D-glucose; milk sugar; saccharum lactis; lactin | 4-o-beta-D-galactopyranosyl-D-glucose; milk sugar; saccharum lactis; lactin | ||
| + | == Risks == | ||
| − | == | + | * No known hazards. |
| + | * Fisher Scientific: [https://www.fishersci.com/store/msds?partNumber=S25334&productDescription=D-GALACTOSE+100G&vendorId=VN00115888&countryCode=US&language=en SDS] | ||
| + | == Physical and Chemical Properties == | ||
Soluble in water. Slightly soluble in ethanol. Insoluble in ether and chloroform. | Soluble in water. Slightly soluble in ethanol. Insoluble in ether and chloroform. | ||
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|- | |- | ||
! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 201-202 | + | | 201-202 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.525 | + | | 1.525 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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| − | == | + | == Resources and Citations == |
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* Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 | * Thomas Gregory, ''The Condensed Chemical Dictionary'', Reinhold Publishing, New York, 3rd ed., 1942 | ||
Latest revision as of 15:35, 6 October 2022
Description
A double sugar molecule found naturally in milk solids. Lactose powder has a sweet taste and is used in infant foods and ice cream. It is also used as a sorbent in liquid chromatography.
Synonyms and Related Terms
4-o-beta-D-galactopyranosyl-D-glucose; milk sugar; saccharum lactis; lactin
Risks
- No known hazards.
- Fisher Scientific: SDS
Physical and Chemical Properties
Soluble in water. Slightly soluble in ethanol. Insoluble in ether and chloroform.
| Composition | C12H32O11-H2O |
|---|---|
| CAS | 63-42-3 |
| Melting Point | 201-202 C |
| Density | 1.525 g/ml |
| Molecular Weight | mol. wt. = 342.30 |
| Boiling Point | (dec) |
Resources and Citations
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5356