Lactose monohydrate

Name: Lactose monohydrate

Grade: Laboratory

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 powder	Bulk density: 500 kg/m³
Solub. in water: 161 g/l	Melting point: 202 °C
Ignition temperature: 390 °C	pH value : 4.5 – 5.5 (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
Identification A		Conforms
Identification B		Conforms
Residue on ignition	≤	0.1		%
Optical rotation		+54.4 to +55.9		°
Clarity and color of solution	≤	0.04		AU
Acidity or alkalinity	≤	0.006		meq/g
Water		4.5-5.5		%
Loss on drying	≤	0.5		%
Protein and light-absorbing impurities		Max Absorbance		AU
		@210–220 nm	0.25
		@270–300 nm	0.07

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Hazard symbol

Hazard Symbol

General information