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蒸汽密度
4.6 (vs air)
质量水平
蒸汽压
<0.1 mmHg ( 20 °C)
检测方案
≥98% (capillary GC)
自燃温度
644 °F
mp
131-133 °C (lit.)
溶解性
H2O: 50 mg/mL, clear, colorless to faintly yellow
SMILES字符串
OC(CC(O)=O)C(O)=O
InChI
1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)
InChI key
BJEPYKJPYRNKOW-UHFFFAOYSA-N
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应用
DL-苹果酸可作为反应物合成：
- 羟基酯，通过醇酯化反应。
- 可生物降解聚合物，通过与柠檬酸热缩合。
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2
WGK
WGK 1
闪点(°F)
397.4 °F
闪点(°C)
203 °C
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
Phosphorus ylide based functionalizations of tetronic and tetramic acids
Schobert R, et al.
Synthesis, 2006, 3902-3914 (2006)
Development of green/biodegradable polymers for water scaling applications
Popuri S, et al.
International Biodeterioration & Biodegradation, 95, 225-231 (2014)
G Anneroth et al.
Scandinavian journal of dental research, 88(3), 214-218 (1980-06-01)
Two saliva stimulating drugs, solutions of Hybrin and malic acid were in an in vitro study found to have a heavy demineralizing effect on the root surface of the dental hard tissue. Consequently the drugs cannot be recommended to patients
Frédéric Bigey et al.
Current biology : CB, 31(4), 722-732 (2020-12-11)
Production of leavened bread dates to the second millennium BCE. Since then, the art of bread making has developed, yet the evolution of bread-associated microbial species remains largely unknown. Nowadays, leavened bread is made either by using a pure commercial
Hugo Oliveira et al.
PloS one, 9(10), e108376-e108376 (2014-10-08)
Resistance rates are increasing among several problematic Gram-negative pathogens, a fact that has encouraged the development of new antimicrobial agents. This paper characterizes a Salmonella phage endolysin (Lys68) and demonstrates its potential antimicrobial effectiveness when combined with organic acids towards
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