Lactose monohydrate

Name: Lactose monohydrate

Grade: Standard Material

Application: Synthesis, Pharma

Synonyms: Milk sugar, Lactobiose

CAS Number: 10039-26-6 EC Number: 200-559-2 Molar Mass: 360.32 g/mol Chemical Formula: C₁₂H₂₂O₁₁ . H₂O

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داروسازی – سنتز و واکنشهای شیمیایی، مواد آلی

General information

Chemical formula: C₁₂H₂₂O₁₁ . H₂O	Molar Mass: 360.32 g/mol
Appearance: White Crystalline powder	Bulk density: 500 kg/m³
Solub. in water: 161 g/l	Melting point: 202 °C
Ignition temperature: 390 °C	pH value : 4.0 – 6.5(H₂O, 20 °C)
Storage temp.: +15°C to +25°C.	Cautions: Not a hazardous substance
R: N/A	S: N/A
HS-No.: 1702 11 00	EC Number: 200-559-2

Specification

Description		Conforms
Solubility		Conforms
Specific optical rotation		+54.4 to +55.9	°
Sulfated ash	≤	0.5	%
Water		4.5-5.5	%
Heavy metal (as Pb)	≤	0.0005	%
Arsenic (As)	≤	0.0001	%
Copper (Cu)	≤	0.0025	%
Lead (Pb)	≤	0.00005	%
Zinc (Zn)	≤	0.0025	%
Loss on drying (80°C ,2hr)	≤	0.5	%
Matter extractable with ethanol	≤	0.4	%

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General information