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7493-95-0

Basic Information
CAS No.: 7493-95-0
Name: 4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE
Article Data: 6
Molecular Structure:
Molecular Structure of 7493-95-0 (4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE)
Formula: C12H15 N O8
Molecular Weight: 301.253
Synonyms: Galactopyranoside,p-nitrophenyl, a-D-(8CI); 4-Nitrophenyl a-D-galactopyranoside; 4-Nitrophenyl a-D-galactoside; NSC 89286; PNPG; p-Nitrophenyl a-D-galactopyranoside;p-Nitrophenyl a-D-galactoside;p-Nitrophenyl a-galactopyranoside;p-Nitrophenyl a-galactoside
EINECS: 231-343-6
Density: 1.599 g/cm3
Melting Point: 166-169 °C
Boiling Point: 582.2 °C at 760 mmHg
Flash Point: 305.9 °C
Hazard Symbols: Xi
Risk Codes: 36/37/38
Safety: 22-24/25
PSA: 145.20000
LogP: -0.70330
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Chemistry

Molecular structure of 4-Nitrophenyl alpha-D-galactopyranoside (CAS NO.7493-95-0) is:

Product Name: 4-Nitrophenyl alpha-D-galactopyranoside
CAS Registry Number: 7493-95-0
IUPAC Name: 2-(Hydroxymethyl)-6-(4-nitrophenoxy)oxane-3,4,5-triol
Molecular Weight: 301.2494 [g/mol]  
Molecular Formula: C12H15NO8  
XLogP3: -0.4  
H-Bond Donor: 4  
H-Bond Acceptor: 8
Melting Point: 166-169 °C
Refractive index: 239 ° (C=1, H2O)
Storage temp.: 2-8 °C
Index of Refraction: 1.647 
Molar Refractivity: 68.5 cm3 
Molar Volume: 188.3 cm3 
Surface Tension: 74.1 dyne/cm 
Density: 1.599 g/cm3 
Flash Point: 305.9 °C 
Enthalpy of Vaporization: 91.56 kJ/mol 
Boiling Point: 582.2 °C at 760 mmHg 
Vapour Pressure: 2.14E-14 mmHg at 25 °C 
EINECS: 231-343-6
Product Categories: Substrates;13C & 2H Sugars;Biochemistry;Galactose;Glycosides;Sugars;Enzyme substrates;Carbohydrates & Derivatives

Safety Profile

Safty information about 4-Nitrophenyl alpha-D-galactopyranoside (CAS NO.7493-95-0) is:
Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25-36-26 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes. 
S36:Wear suitable protective clothing. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
F: 3-10-21

Specification

 4-Nitrophenyl alpha-D-galactopyranoside , its cas register number is 7493-95-0. It also can be called alpha-D-Galactopyranoside, 4-nitrophenyl ; p-Nitrophenyl alpha-D-galactopyranoside .It is a off-white crystalline solid.