Reagents for Beer Bitterness Analysis
农残级***
Code Product Packing Grade
207-13821 2,2,4-Trimethylpentane 1L 99.7+% (cGC)
203-13823 2,2,4-Trimethylpentane 3L 99.7+% (cGC)
Wako Pure Chemical Industries, Ltd.
Grade: for Beer Bitterness Analysis
Regulation / Hazardous: UN: Class 3 - Flamm. liq.
Storage condition: Keep at RT.
Manufacturer: Wako Pure Chemical Industries, Ltd.
Summary
An extraction solvent to be used for determination of iso-alpha acids (the compounds contributing the bitter taste to beer) by UV absorption spectrometry. Water content: max. 0.01 %, nonvolatile matter: max. 0.001 %
UN 1262
CAS NO. 540-84-1
Molecular Formula (CH3)2CHCH2C(CH3)3
Molecular Weight 114.23
Appearance: Colorless clear liquid
Purity: 99.7+% (cGC)
Melting Point: -107.5 degrees C
Boiling Point: about 99 degree C
99.2 degrees C
Flash Point: -8 degrees C (tag closed test)
-12 degrees C
Density: 0.690 - 0.693g/ml (20 degree C)
Specific Gr***ity: 0.692 (20/4degrees C)
Refractive Index: 1.390 - 1.393 (20 degrees C)
1.3916 (20degrees C)
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