D-Isoascorbic acid Na salt
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。