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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 現(xiàn)貨
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:
無(wú)色或、微帶黃色液體或無(wú)色針狀結(jié)晶。對(duì)光敏感。有吸濕性。在常壓下蒸餾幾乎不分解,長(zhǎng)時(shí)間加熱則失去水分子而成不飽和的γ-內(nèi)酯。極易溶于水、醇和和醚,幾乎不溶于脂肪族烴類。低毒,半數(shù)致死量(大鼠,經(jīng)口)1850mg/kg。
密度:  1.13  
熔點(diǎn):  29 °C  
沸點(diǎn):  246 °C
折光率nD20:  1.4310  
閃點(diǎn):  98 °C  
Quality Standard:
Q/(HG)SJ 422-91
項(xiàng)目Item                    分析純
                                      (AR)
含量(C5H8O3)Assay,%              ≥ 99.0
灼燒殘?jiān)麵gnition residue,%          ≤ 0.05
氯化物(Cl)Chloride,%                ≤ 0.005
硫酸鹽(SO4)Sulfate,%                ≤ 0.01  
水份water,%                         ≤ 0.7
重金屬Heavy metals(Pb2+計(jì)),PPM      ≤ 20
鐵Iron(以Fe3+計(jì)),PPM                ≤ 10 
Storage:
密封干燥保存。
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