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Key Documents

48260

Millipore

D-(+)-Galattosio

suitable for microbiology, ≥99.0%

Sinonimo/i:

Galattosio

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About This Item

Formula empirica (notazione di Hill):
C6H12O6
Numero CAS:
Peso molecolare:
180.16
Beilstein:
1724619
Numero CE:
Numero MDL:
Codice UNSPSC:
41106212
ID PubChem:
NACRES:
NA.85

Livello qualitativo

Saggio

≥99.0% (sum of enantiomers, HPLC)
≥99.0%

Forma fisica

powder

Attività ottica

[α]20/D +80±1°, 24 hr, c = 5% in H2O

Residuo alla calcinazione

≤0.1% (as SO4)

Perdita

≤0.1% loss on drying

Punto di fusione

167-170 °C (dec.)
168-170 °C (lit.)

Solubilità

H2O: 0.1 g/mL, clear, colorless

Anioni in tracce

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

Cationi in tracce

As: ≤0.1 mg/kg
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

applicazioni

microbiology

Stringa SMILE

OC[C@@H](O)[C@H](O)[C@H](O)[C@@H](O)C=O

InChI

1S/C6H12O6/c7-1-3(9)5(11)6(12)4(10)2-8/h1,3-6,8-12H,2H2/t3-,4+,5+,6-/m0/s1
GZCGUPFRVQAUEE-KCDKBNATSA-N

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Descrizione generale

Galactose, a member of a group of carbohydrates known as simple sugars (monosaccharides). It is usually found in nature combined with other sugars, as, for example, in lactose (milk sugar). Galactose is also found in complex carbohydrates (see polysaccharide) and in carbohydrate-containing lipids called glycolipids. It is used as a source of carbon and contributes to energy metabolism via its conversion to glucose by the enzymes that constitute the Leloir pathway. It is used in various media for the cultivation of bacteria and fungi. The metabolic steps of D-galactose utilization are catalysed by the GalK (galactokinase), GalT (galactose 1-phosphateuridylyl transferase), and GalE (UDP-galactose-4-epimerase) proteins.

Applicazioni

Galactose can be used as a carbohydrate source for diverse organisms for example lactobacilli, coliforms, Salmonella and streptococci. It is a simple monosaccharide that serves as an energy and carbon source for the cultivation of various of bacteria, fungi and yeasts in many industries such as food, pharmaceuticals and cosmetics

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


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