56-40-6
氨基乙酸(Glycine)
CAS: 56-40-6
化学式: C2H5NO2
性质
白色或浅黄色针状结晶。味甜。溶于水，lOOg无水乙醇可溶该品约0. 06g,溶于164份吡啶，几乎不溶于乙醚。
制法
将氨水和碳酸铵混合并在水浴上加热，另配制氯乙酸水溶液，滴加上述混合液中，将混合物加热保温后，冷却结晶得到粗品。将粗品溶于沸水，加入甲醇，经结晶即得纯品甘氨酸。
用途
用于检验铜、金、银的试剂。还用于制药工业、生化研究、组织培养基的制各、营养增补剂等方面。
安全性
几乎无毒，豚鼠，经口服，致死量LD 6.8～8. Og/kg。遮光，密闭保存。
| 中文名 | 氨基乙酸 |
| 英文名 | Glycine |
| 别名 | 胶糖 甘氨酸 甘胺酸 氨基醋酸 氨基乙酸 L-甘氨酸 甘氨酸(医药级) 氨基乙酸 食品级 甘氨酸(氨基乙酸) 氨基乙酸(医药级) 甘氨酸 (GLY)溶液,100PPM |
| 英文别名 | Gly Glycine H-Gly-OH glycocoll L-Glycine Glycine BP GLYCINE USP BLOTTING BUFFER Aminoacetic acid GLYCINE TECHNICAL Glycine, Free Base USP24 GLYCINE USP24 Glycine (Food Grade) Glycine (Feed Grade) Glycine (Tech Grade) Glycine (Pharm Grade) |
| CAS | 56-40-6 |
| EINECS | 200-272-2 |
| 化学式 | C2H5NO2 |
| 分子量 | 75.07 |
| InChI | InChI=1/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5) |
| InChIKey | DHMQDGOQFOQNFH-UHFFFAOYSA-N |
| 密度 | 1.595 |
| 熔点 | 240 °C (dec.) (lit.) |
| 沸点 | 233°C |
| 闪点 | 176.67°C |
| 水溶性 | 25 g/100 mL (25 ºC) |
| 蒸汽压 | 0.0000171 Pa (25 °C) |
| JECFA Number | 1421 |
| 溶解度 | H2O: 100 mg/mL |
| 折射率 | 1.4264 (estimate) |
| 酸度系数 | 2.35(at 25℃) |
| PH值 | 4(0.2 molar aqueous solution) |
| 存储条件 | 2-8°C |
| 稳定性 | 稳定。可燃。与强氧化剂不相容。 |
| 外观 | 粉末 |
| 颜色 | <5 (200mg/mL)(APHA) |
| 气味 | Odorless |
| 最大波长(λmax) | ['λ: 260 nm Amax: 0.05', , 'λ: 280 nm Amax: 0.05'] |
| Merck | 14,4491 |
| BRN | 635782 |
| 物化性质 | 白色单斜晶系或六方晶系晶体，或白色结晶粉末。无臭，有特殊甜味。 易溶于水，在水中的溶解度：25℃时为25g/100ml；50℃时为39.1g/100ml；75℃时为54.4g/100ml；100℃时为67.2g/100ml。极难溶于乙醇，在100g无水乙醇中约溶解0.06g。几乎不溶于丙酮和乙醚。 |
| MDL号 | MFCD00008131 |
| 风险术语 | 33 - 有累积效应的危险品。 |
| 安全术语 | S22 - 切勿吸入粉尘。 S24/25 - 避免与皮肤和眼睛接触。 |
| WGK Germany | 2 |
| RTECS | MB7600000 |
| TSCA | Yes |
| 海关编号 | 29224910 |
| 上游原料 | 醋酸 乌洛托品 液氨 一氯乙酸 |
| 下游产品 | 二甲氧基甲烷 2,2,3,3-四甲基环丙烷羧酸 草甘膦 异菌脲 |
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56-40-6 - 性质
可信数据
白色或浅黄色针状结晶。味甜。溶于水，lOOg无水乙醇可溶该品约0. 06g,溶于164份吡啶，几乎不溶于乙醚。
最后更新：2024-01-02 23:10:35
56-40-6 - 制法
可信数据
将氨水和碳酸铵混合并在水浴上加热，另配制氯乙酸水溶液，滴加上述混合液中，将混合物加热保温后，冷却结晶得到粗品。将粗品溶于沸水，加入甲醇，经结晶即得纯品甘氨酸。
最后更新：2022-01-01 09:26:22
56-40-6 - 用途
可信数据
用于检验铜、金、银的试剂。还用于制药工业、生化研究、组织培养基的制各、营养增补剂等方面。
最后更新：2022-01-01 09:26:22
56-40-6 - 安全性
可信数据
几乎无毒，豚鼠，经口服，致死量LD 6.8～8. Og/kg。遮光，密闭保存。
最后更新：2022-01-01 11:10:00
56-40-6 - 简介
氨基乙酸。以下是关于氨基乙酸的性质、用途、制法和安全信息的介绍：
性质：
氨基乙酸可溶于水，并易与其他有机溶剂混溶。
它具有弱酸性，能够与碱反应生成相应的盐类。
氨基乙酸有一定的挥发性，故在室温下可闻到其特殊的气味。
用途：
氨基乙酸常用作金属加工液中的缓蚀剂，能够与金属表面形成一层保护膜，减少金属的腐蚀。
它还可用于纤维素和纺织品的漂白及染色工艺中，作为脱色剂和活性染料的稳定剂。
制法：
氨基乙酸通常通过乙醇胺和氯乙酸反应制得。反应可在常温下进行，生成氨基乙酸和氯化氢，后者可通过进一步处理得到氯化物和水。
安全信息：
氨基乙酸为刺激性物质，请避免直接接触皮肤和眼睛，使用时应佩戴防护手套和护目镜。
避免吸入其蒸气，应保持通风良好的工作环境。
如不慎摄入或发生吸入过量，应立即寻求医疗救助。
在储存和使用过程中，应远离高温和明火，避免与强氧化剂接触。
使用前请详细阅读并遵守产品的安全操作指南和相关法规。
性质：
氨基乙酸可溶于水，并易与其他有机溶剂混溶。
它具有弱酸性，能够与碱反应生成相应的盐类。
氨基乙酸有一定的挥发性，故在室温下可闻到其特殊的气味。
用途：
氨基乙酸常用作金属加工液中的缓蚀剂，能够与金属表面形成一层保护膜，减少金属的腐蚀。
它还可用于纤维素和纺织品的漂白及染色工艺中，作为脱色剂和活性染料的稳定剂。
制法：
氨基乙酸通常通过乙醇胺和氯乙酸反应制得。反应可在常温下进行，生成氨基乙酸和氯化氢，后者可通过进一步处理得到氯化物和水。
安全信息：
氨基乙酸为刺激性物质，请避免直接接触皮肤和眼睛，使用时应佩戴防护手套和护目镜。
避免吸入其蒸气，应保持通风良好的工作环境。
如不慎摄入或发生吸入过量，应立即寻求医疗救助。
在储存和使用过程中，应远离高温和明火，避免与强氧化剂接触。
使用前请详细阅读并遵守产品的安全操作指南和相关法规。
最后更新：2024-04-09 02:00:09
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