日本ⅴ亚洲v澳洲vA片_一级一区二区在免费线观看_免费无码在线观看_亚洲AV岛国动作片在线观看

PRODUCTS
2,3-Butanedione
Product name: 2,3-Butanedione
English name: 2,3-Butanedione
CAS RN: 431-03-8
Molecular formula: C4H6O2
Molecular weight: 86.09
Properties: Yellow to yellowish-green liquid
Structural formula:
EINECS No.: 207-069-8
FEMA No.: 2370
Quality index:
Index name GB23488-2009 Index
Relative density(25℃/25℃) 0.978-0.988
Refractive index(20℃) 1.3920-1.3980
Ketone content % ≥98.0
Use: Mainly used in food, beverage, medicine, etc.

Back