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laevulinic acid

Cas:
123-76-2
Molecular Structure:
MDL:
MFCD00002796
Molecular Formula:
C5H8O3; CH3COCH2CH2COOH
Molecular Weight:
116.12
Alias:
左旋糖酸,左旋酸,果糖酸,4-氧代-戊酸,4-酮正戊酸,3-酮-正戊酸 4-Oxopentanoic acid 4-Oxovaleric acid 3-Acetylpropionic Acid
Product order:
Name Specifications Packing Price Delivery
laevulinic acid AR 250g RMB 187 现货
laevulinic acid AR 1kg RMB 638 Consulting service
laevulinic acid AR 5Kg RMB 2821.5 Consulting service
laevulinic acid AR 50g RMB 88 Consulting service
Character:
无色或、微带黄色液体或无色针状结晶。对光敏感。有吸湿性。在常压下蒸馏几乎不分解,长时间加热则失去水分子而成不饱和的γ-内酯。极易溶于水、醇和和醚,几乎不溶于脂肪族烃类。低毒,半数致死量(大鼠,经口)1850mg/kg。
密度:  1.13  
熔点:  29 °C  
沸点:  246 °C
折光率nD20:  1.4310  
闪点:  98 °C  
Quality Standard:
Q/(HG)SJ 422-91
项目Item                    分析纯
                                      (AR)
含量(C5H8O3)Assay,%              ≥ 99.0
灼烧残渣Ignition residue,%          ≤ 0.05
氯化物(Cl)Chloride,%                ≤ 0.005
硫酸盐(SO4)Sulfate,%                ≤ 0.01  
水份water,%                         ≤ 0.7
重金属Heavy metals(Pb2+计),PPM      ≤ 20
铁Iron(以Fe3+计),PPM                ≤ 10 
Storage:
密封干燥保存。
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