D-Isoascorbic acid Na salt
Molecular Structure:
Molecular Formula:
C6H7NaO6
Molecular Weight:
198.12
Alias:
異維生素C鈉,赤藻糖酸鈉,D-2,3,4,5,6-五羥基-2-己烯酸-4-內(nèi)酯鈉
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:
熔點200℃。白色或稍帶黃色的結(jié)晶顆粒或粉末,無臭,稍有咸味,易溶于水(約7mL水能溶1g)。干燥狀態(tài)在空氣中穩(wěn)定,呈水溶液時遇空氣、微量金屬、熱和光易變質(zhì)。
熔點:154-164℃
比旋光度:97°
Quality Standard:
外觀Appearance 白色結(jié)晶性顆?;蚍勰?BR>紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity ≥98% (GC)
水溶解試驗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
草酸試驗oxalic acid tes 合格
Storage:
用途 化妝品抗氧劑。在化妝品中可消耗氧,還原高價金屬離子,把氧化還原電勢轉(zhuǎn)移到還原的范圍,并有減少產(chǎn)生不良的氧化產(chǎn)物。還可用作防腐助色劑。