9012-76-4
壳聚糖(Chitosan)
CAS: 9012-76-4
化学式: C6H11NO4X2
性质
白色或淡黄色片状粉体，无甲醛，易溶于舍有机酸的水溶液中，形成阳离子型壳聚糖，可与毛角阮蛋白的氨基酸形成化学键结合，具有良好的直毛固定效果。
制法
用4%～6%盐酸水溶液，在常温下将甲壳浸泡4～12h,摄取甲壳质，然后加入浓碱，在60～140℃，反应8h，经水洗即可。
| 中文名 | 壳聚糖 |
| 英文名 | Chitosan |
| 别名 | 直毛固定剂 甲壳胺 殼糖胺 几丁聚糖 聚氨基葡糖 壳糖葡糖胺 水溶性甲壳胺 脱乙酰几丁质 可溶性甲壳素 脱乙酰甲壳质 可溶性甲壳质 β-1,4-聚-葡萄糖胺 2-氨基-β-1,4-葡聚糖 |
| 英文别名 | kytexm Chitosan seacuref poliglusam Poliglusam seacureplus Poly-D-glucosamine Deacetylated chitin CHITOSANNANOPARTICLES LOWMOLECULARWEIGHTCHITOSAN HIGHMOLECULARWEIGHTCHITOSAN Chitosan from shrimp shells beta-1,4-Poly-D-glucosamine beta-(1,4)-2-Amino-2-deoxy-D-glucose |
| CAS | 9012-76-4 |
| EINECS | 618-480-0 |
| 化学式 | C6H11NO4X2 |
| 分子量 | 161.16 |
| InChI | InChI=1/C56H103N9O39/c1-87-56(86)65-28-38(84)46(19(10-74)96-55(28)104-45-18(9-73)95-49(27(64)37(45)83)97-39-12(3-67)88-47(85)20(57)31(39)77)103-54-26(63)36(82)44(17(8-72)94-54)102-53-25(62)35(81)43(16(7-71)93-53)101-52-24(61)34(80)42(15(6-70)92-52)100-51-23(60)33(79)41(14(5-69)91-51)99-50-22(59)32(78)40(13(4-68)90-50)98-48-21(58)30(76)29(75)11(2-66)89-48/h11-55,66-85H,2-10,57-64H2,1H3,(H,65,86)/t11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,23-,24-,25-,26-,27-,28-,29-,30-,31-,32-,33-,34-,35-,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,48+,49+,50+,51+,52+,53+,54+,55+/m1/s1 |
| 密度 | 1 g/cm3 |
| 熔点 | 102.5 °C |
| 溶解度 | 稀酸水溶液 (pH <6.5): 可溶 |
| 折射率 | 1.7 |
| 存储条件 | 2-8°C |
| 稳定性 | 稳定。与强氧化剂不相容。 |
| 外观 | (粗磨薄片和粉末) |
| 颜色 | White to Off-white |
| 物化性质 | 白色无定形透明物质，含氮约9%，无味无臭。 |
| 产品用途 | 环保型直毛固定剂，对角阮蛋白有很强的吸附力，用于皮毛的直毛固定后，毛被 松散度好，弹性加强，染色均匀、鲜艳。具有增色作用，节省染料，提高皮毛档次。降低成本，提高经济效益。 |
| MDL号 | MFCD00161512 |
| 危险品标志 | Xn - 有害物品 |
| 风险术语 | R20/21/22 - 吸入、皮肤接触及吞食有害。 R36/37/38 - 刺激眼睛、呼吸系统和皮肤。 |
| 安全术语 | S24/25 - 避免与皮肤和眼睛接触。 S36 - 穿戴适当的防护服。 S26 - 不慎与眼睛接触后，请立即用大量清水冲洗并征求医生意见。 |
| WGK Germany | - |
| RTECS | FM6300000 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| 海关编号 | 39139000 |
| 上游原料 | 氢氧化钠 聚丙烯酰胺 甲壳素 |
| 下游产品 | 脱乙酰壳聚糖-羧甲基纤维素聚电介质复合物合成和药物控制释放 羧化壳聚糖 几丁胶,脱乙酰几丁 |
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9012-76-4 - 性质
可信数据
白色或淡黄色片状粉体，无甲醛，易溶于舍有机酸的水溶液中，形成阳离子型壳聚糖，可与毛角阮蛋白的氨基酸形成化学键结合，具有良好的直毛固定效果。
最后更新：2024-01-02 23:10:35
9012-76-4 - 制法
可信数据
用4%～6%盐酸水溶液，在常温下将甲壳浸泡4～12h,摄取甲壳质，然后加入浓碱，在60～140℃，反应8h，经水洗即可。
最后更新：2022-01-01 09:30:45
9012-76-4 - 标准
可信数据
本品为N -乙酰-D—氨基葡萄糖和1>氨基葡萄糖组成的无分支二元多聚糖。
最后更新：2024-01-02 23:10:35
9012-76-4 - 性状
可信数据
- 本品为类白色粉末，无臭，无味。
- 本品微溶于水，几乎不溶于乙醇。
最后更新：2022-01-01 11:22:37
9012-76-4 - 介绍
壳聚糖是一种线性氨基多糖,由大约20％β1,4 -连接的N -乙酰- D -氨基葡萄糖（葡萄糖胺），和大约80％的β1,4 -连接的D -氨基葡萄糖（GlcN）组成，由甲壳素在热碱液中部分脱乙酰准备而成。不溶于水，羧化壳聚糖经羧化处理，溶于水。
最后更新：2022-10-16 17:29:56
9012-76-4 - 鉴别
可信数据
- 本品的红外光吸收图谱应与对照品的图谱一致（通则0402) 。
- 称取本品0. 2g，加水8 0 m l,搅拌使分散，加羟基乙酸溶液(0. l- 2 0 ) 2 0 m l ,室温下缓慢搅拌使溶液澄清(搅拌约3 0〜60分钟），加0.5 % 的十二烷基硫酸钠溶液5ml, 生成凝胶状团块。
最后更新：2022-01-01 11:22:38
9012-76-4 - 检查
可信数据
黏度
精密称取本品l .O g ,加1%冰醋酸100m l,搅拌使完全溶解，用NDJ —1 型旋转式黏度计，依法检查（通则0 6 3 3第三法），在2 0 °C时的动力黏度不得过标示量的80%〜120%。
脱乙酰度
取本品约0 . 5 g ,精密称定，精密加人盐酸滴定液(0 .3m o l/L )1 8m l,室温下搅拌2 小时使溶解，加1%甲基橙指示剂3 滴，用氢氧化钠滴定液（0. 1 5m o l/U滴定至变为橙色。
酸碱度
取本品0.50g，加水5 0 m l,搅拌3 0分钟，静置30分钟，依法测定（通则0631)，p H 值应为6. 5〜8. 5。
蛋白质
取本品O . l g ,加入10ml量瓶中，以1%冰醋酸溶液溶解并稀释至刻度，摇匀，取适量该溶液，依法测定(通则0731第五法），蛋白质含量不得过0 .2%。
干燥失重
取本品l .O g ,在105°C干燥至恒重，减失重量不得过10%(通则0831) 。
炽灼残渣
取本品l .O g ,依法检査（通则0841) ，遗留残渣不得过1.0% 。
重金属
取炽灼残渣项下的残渣，依法检查（通则0821第二法），含重金属不得过百万分之十。
砷盐
取本品2. 0g，加氢氧化钙1. 0g，混合，加水2ml，搅拌均匀，置水浴上蒸干，以小火烧灼使炭化，后以500〜600°C炽灼使完全灰化，放冷，加盐酸5 m l,加水23ml，依法检查(通则0822第一法），含砷盐不得过百万分之一。
最后更新：2022-01-01 11:22:38
9012-76-4 - 类别
可信数据
药用辅料，崩解剂，增稠剂等。
最后更新：2022-01-01 11:22:39
9012-76-4 - 贮藏
可信数据
密闭、凉暗处干燥保存。
最后更新：2022-01-01 11:22:39
9012-76-4 - 简介
壳聚糖是一种天然聚合物，其化学结构为由N-乙酰葡萄糖胺和D-葡萄糖组成的多糖。壳聚糖常见于海洋中的甲壳类动物的外骨骼及真菌的细胞壁中。
性质：
1、生物可降解性：壳聚糖可以被细菌和真菌等自然界中的微生物降解，使其对环境无污染。
2、高生物相容性：壳聚糖在生物体内具有较好的相容性，不会引发明显的免疫反应。
3、高黏度：壳聚糖溶液具有高黏度，可用作粘合剂或增稠剂。
用途：
环境保护：壳聚糖可用作废水处理剂、油水分离剂等，具有可降解性和去除重金属离子的能力。
制法：
1、从壳聚糖质源中提取：通过对甲壳动物的外骨骼进行水解、提取和纯化，得到壳聚糖。
2、酶法合成：利用酶作用将底物转化为壳聚糖。
3、化学合成：通过化学反应将合适的原料转化为壳聚糖。
安全信息：
1、壳聚糖一般认为是一种安全无毒的物质，但对于过敏体质者可能引发过敏反应。
2、在使用壳聚糖过程中，要注意避免吸入粉尘或接触到眼睛和皮肤。
3、在储存和搬运壳聚糖时，应保持干燥和远离火源。
最后更新：2024-04-17 12:18:49
供应商列表
主打产品现货供应
产品名: 高密度壳聚糖 去供应商网站查看 询盘CAS: 9012-76-4
产地: 上海
规格: H875633
价格: 50g-59,100g-112,500g-358,1kg-698,100g-126,500g-428,2.5kg-1662,100g-136,500g-458,100g-388,500g-1128,1
库存: 现货
电话: 13816333479/17821173903
手机: 13816333479/17821173903
电子邮件: wangrui@macklin.cn
QQ: 2885703204/288570320
微信: 19863730987/17821173903
现货供应
产品名: 盐酸氨基葡萄糖杂质15 去供应商网站查看 询盘CAS: 9012-76-4
产地: 中国-STD
包装: 支
规格: 10mg，25mg，50mg，100mg
价格: 电询
库存: 现货
电话: 0714-3999186
手机: 15671228036
电子邮件: 2853786052@qq.com
QQ: 2853786052
微信: 15671228036
产品描述: 621515G
主打产品现货供应
产品名: 高密度壳聚糖 去供应商网站查看 询盘CAS: 9012-76-4
产地: 上海
规格: H875633
价格: 50g-59,100g-112,500g-358,1kg-698,100g-126,500g-428,2.5kg-1662,100g-136,500g-458,100g-388,500g-1128,1
库存: 现货
电话: 13816333479/17821173903
手机: 13816333479/17821173903
电子邮件: wangrui@macklin.cn
QQ: 2885703204/288570320
微信: 19863730987/17821173903
现货供应
产品名: 盐酸氨基葡萄糖杂质15 去供应商网站查看 询盘CAS: 9012-76-4
产地: 中国-STD
包装: 支
规格: 10mg，25mg，50mg，100mg
价格: 电询
库存: 现货
电话: 0714-3999186
手机: 15671228036
电子邮件: 2853786052@qq.com
QQ: 2853786052
微信: 15671228036
产品描述: 621515G
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