国产成人亚洲精品青草,亚洲国产成人精品青青草原,国产一区二区青青精品久久

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Products>>2-Acetylbutyrolactone
 

Product Name: 2-Acetylbutyrolactone
CAS RN.: 517-23-7
Structural Formula:

2-Acetylbutyrolactone

Molecular Formula: C6H8O3
Molecular Weight: 128.12
Properties:
Density: 1.185(20/4°C)
B.P.: 107-108°C(5mmHg)
Refractive Index: 1.4585
Flash Point: 140°C
Sol. in Water: 20% (volume)
Use: In the manufacture of vitamin B.
Quality Spec.:
Appearance: colorless transparent liquid
Assay: ≥99.0%

 

 
 
 
 

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国产成人亚洲精品青草,亚洲国产成人精品青青草原,国产一区二区青青精品久久