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D-Isoascorbic acid Na salt

Cas:
6381-77-7
Molecular Structure:
Molecular Formula:
C6H7NaO6
Molecular Weight:
198.12
Alias:
异维生素C钠,赤藻糖酸钠,D-2,3,4,5,6-五羟基-2-己烯酸-4-内酯钠 D-Sodium isoascorbiate D-Erythro-hex-2-enonic acid gamma-lactone monosodium salt 2,3-Didehydro-3-O-sodio-D-erythro-hexono-1,4-lactone Sodium erythorbate Sodium Isoascorbate Monohydrate D-Araboascorbic Acid Sodium Salt Erythorbic Acid Sodium Salt Isoascorbic Acid Sodium Salt Sodium D-Araboascorbate
Product order:
Name Specifications Packing Price Delivery
D-Isoascorbic acid Na salt 98% 25g RMB 93.5 Consulting service
D-Isoascorbic acid Na salt 98% 500g RMB 539 Consulting service
D-Isoascorbic acid Na salt 98% 100g RMB 203.5 Consulting service
Character:
熔点200℃。白色或稍带黄色的结晶颗粒或粉末,无臭,稍有咸味,易溶于水(约7mL水能溶1g)。干燥状态在空气中稳定,呈水溶液时遇空气、微量金属、热和光易变质。
熔点:154-164℃
比旋光度:97°
Quality Standard:
   
   外观Appearance                          白色结晶性颗粒或粉末
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度Purity                              ≥98% (GC)  
水溶解试验solubility in water           合格
比旋光度Specific rotation [a]20/D       +95.5 ~ +98.0 deg(C=10, H2O)
澄明度clarity                           合格
PH                                      5.5~8.0
草酸试验oxalic acid  tes                合格
Storage:

用途  化妆品抗氧剂。在化妆品中可消耗氧,还原高价金属离子,把氧化还原电势转移到还原的范围,并有减少产生不良的氧化产物。还可用作防腐助色剂。
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