Alginic acid from brown algae
Molecular Structure:
MDL:
MFCD00081309
Molecular Formula:
(C6H8O6)n
Molecular Weight:
176.12
Alias:
藻朊酸,藻酸,褐藻酸,藻蛋白酸
Alginic Acid
Alginic acid from Macrocystis pyrifera (kelp)
Mixed polymer of mannuronic and guluronic acid
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Alginic acid from brown algae |
CP |
500g |
RMB 110 |
Consulting service |
Alginic acid from brown algae |
CP |
2.5kg |
RMB 495 |
Consulting service |
Alginic acid from brown algae |
药用级 |
500g |
RMB 110 |
Consulting service |
Character:
白色到浅黄棕色、无臭、无味的粉末。溶于碱性溶液,微溶于热水,极微溶于冷水及有机溶剂。溶于氢氧化碱金属。3%水溶液pH值1.3~5.5,可吸收200~300倍其重量的水,温暖条件下放置可缓慢分解,分子量变小。
熔点: 300 °C
由海藻制得的一种胶体物质,系β-无水右旋甘露糖醛酸的聚合物。
Quality Standard:
项目 化学纯
(CP)
外观Appearance 白色至淡黄色粉末
红外光谱鉴定Infrared spectrometry 和对照品匹配
含量Assay (羧基基团) (以干基计) 19 - 25 % (滴定分析法)
干燥损失Loss on drying <15 % (2 g, 105°C, 4 小时)
炽灼残渣Res. after ignition <4 %
淀粉 不显蓝色
重金属Heavy metals(as Pb)% ≤0.004%
砷盐Arsonic(As) ≤0.0003%
比旋光度Specific rotation [a]20/D -120.0°~ -140.0°(C=1%, 0.1N NAOH)
Storage:
密封干燥保存。
Related Products
- γ-Linolenic acid
- (R)-(−)-Mandelic acid
- 4-Nitrophenylacetic acid
- 5-Methyl-2-pyrazinecarboxylic acid
- Diethylenetriaminepentakis(methylphosphonic acid) solution
- DL-2-Aminooctanoic acid
- Benzilic acid
- 4-Bromobenzoic aicd
- (±)-Verapamil hydrochloride
- o-Tolylboronic acid
- Humic acid
- Trimellitic acid
- 2,4,5-Trimethoxybenzoic acid
- Cyclopropanecarboxylic acid
- 5-Methoxysalicylic Acid
- 4-Biphenyl Benzoate
- 3,4,5-Trimethoxybenzoic acid
- 1-Methylimidazole-5-carboxylic Acid
- 2,4-Dinitrobenzenesulfonic acid hydrate
- 4-NITROPHENYL-BETA-D-GLUCURONIDE
- 1,2,4,5-Benzenetetracarboxylic acid
- 2,3-Dimethoxybenzoic acid
- Fmoc-D-allyl-Gly-OH
- 3-Aminophenylboronic acid monohydrate
- (R)-N-FMOC-4-Bromophenylalanine
- 3-Aminobutanoic acid
- 2-Amino-5-chloro-3-methylbenzoic acid
- Palmitoleic acid
- 3-(Trifluoromethyl)cinnamic acid, predominantly trans
- α-Oxo-2-furanacetic acid
- 2,3-Pyrazinedicarboxylic acid
- trans-3-Hexenoic acid
- 3,5-Diaminobenzoic acid
- 1,3-dioxan-2-one
- Ginkgolic acid C15:1
- Arachidic acid
- 2-Aminothiazol-4-acetic acid
- N-(Benzyloxycarbonyloxy)succinimide
- p-Toluenesulfonylmethyl isocyanide
- 2-Thiophenecarboxylic acid
- Ellagic acid
- Molybdic acid
- 2-Fluoro-L-phenylalanine
- 2-Bromo-4-fluorophenol
- Isoquinoline-1-carboxylic acid
- 3-Methoxyphenylacetic Acid
- 5-Formyl-2-thiopheneboronic acid
- 2-Ethoxybenzoic acid
- α-Ketoglutaric acid
- Fmoc-Phe(4-Me)-OH
- 4-Bromocinnamic Acid
- Triethyloxonium tetrafluoroborate
- 2-Hydroxycinnamic acid, predominantly trans
- Pimelic acid
- Mosher’s acid
- 3-Methylbenzo[b]thiophene-2-carboxylic acid
- Pentafluorophenylboronic acid
- 2-Hydroxyphenylacetic Acid
- 4-Bromo-2-fluorocinnamic acid
- 8-Anilino-1-naphthalenesulfonic acid
- p-Tolylboronic acid
- Behenic acid
- 3-Nitrobenzoic acid
- EGTA
- Undecafluorohexanoic acid
- Silicotungstic acid
- 2-Chlorophenoxyacetic acid
- 1,3-Adamantanediacetic acid
- 3-Bromobenzoic acid
- Methylsuccinic Acid
- Dimethoxydimethylsilane
- DL-Thioctic acid
- 2,5-Dibromobenzoic acid
- 2-AMINOTEREPHTHALIC ACID10312
- 3-Iodobenzoic acid
- Boc-D-Allylglycine
- Aristolochic acid
- Boc-D-Phe(4-Br)-OH
- 3-Amino-2-methylbenzoic acid
- BETA-NICOTINAMIDE MONONUCLEOTIDE