compound introduction
无臭、无味。难溶于水，溶于碱水，易溶于丙酮、乙醚、苯及热乙醇，受热升华。对光热较稳定。无吸湿性，加热可随着水蒸气一起挥发。 溶解度（W/W，25℃）；丙酮22%，苯18%，甲醇5%，四氯化碳3%，乙醇3%，水
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Dehydroacetic acid
Dangerous GoodsCAS number：520-45-6 molecular formula：C8H8O4
overview
Specs
| Chinese alias | 脱氢醋酸 | 3-乙酰基-6-甲基-2,4-吡喃二酮 | ||
| English alias | DHA | 2H-Pyran-2, 3-acetyl-6-methyl- | 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione, enol form | 4-Hexenoic acid, 2-acetyl-5-hydroxy-3-oxo-, .delta.-lactone | 4-Hexenoic acid, .delta.-lactone | Q63088091 | D0039 | NSC8770 | NSC-8770 | WLN: T6OV DV CHJ CV1 F1 | ||
| CAS number | 520-45-6 | molecular formula | C8H8O4 |
| molecular weight | 168.15 g/mol | Exact mass | ≥98% |
| PSA | 60.400 Ų | logp | 0.300 |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
pictogram：
GHS07
Signal word：
Warning
Hazard Statement：
H302: 吞食有害
Statement of Preventive Measures：
P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P270: 使用本产品时，请勿进食、饮水或吸烟。 P330: 漱口 P301+P317: 如果被吞咽：请寻求医疗帮助。
WGK Germany：
1
Personal protective equipment：
dust mask type N95 (US),Eyeshields,Faceshields,Gloves
RTECS：
UP8050000
Production methods and uses
No production method and use information yet
Related
upstream information
No upstream information yet
downstream information
No downstream information yet
MSDS
Found 1 shareMSDS
520-45-6 | Dehydroacetic acid.pdf
