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D-酒石酸
分析標(biāo)準(zhǔn)品,HPLC≥98%
D-Tartaric acid
CAS號(hào)：147-71-7
分子式：C4H6O6
分子量：150.09
MDL：MFCD00004238
別名：右旋酒石酸;2,3-二羥基丁二酸;葡萄酸;二羥基琥珀酸;D-2,3-二羥基琥珀酸;D-2,3-二羥基丁二酸
貨號(hào) | 規(guī)格/參數(shù)/品牌 | 價(jià)格 | 貨期 |
YJ-B20639-20mg | 分析標(biāo)準(zhǔn)品,HPLC≥98% | ￥172.00 | 現(xiàn)貨 |
YJ-B20639-200mg | 分析標(biāo)準(zhǔn)品,HPLC≥98% | ￥650.00 | 現(xiàn)貨 |
YJ-B20639-1g | 分析標(biāo)準(zhǔn)品,HPLC≥98% | ￥2000.00 | 現(xiàn)貨 |
JS30454-100g | AR，99% | ￥130.00 | 現(xiàn)貨 |
JS30454-500g | AR，99% | ￥185.00 | 現(xiàn)貨 |
產(chǎn)品介紹
有二個(gè)不對(duì)稱(chēng)碳原子，有四種立體異構(gòu)體，即：右旋型（D型， L型）、左旋型（L型，D型）、內(nèi)消旋型、外消旋型。通常，外消旋型酒石酸又稱(chēng)為葡萄酸。右旋型酒石酸以游離的或K鹽、Ca鹽、Mg鹽的形態(tài)廣泛分布于高等植物中，特別是多存在于果實(shí)和葉中。等量右旋體和左旋體的混合物的旋光性相互抵消，稱(chēng)為外消旋酒石酸。內(nèi)消旋體不存在于自然界中，可由化學(xué)合成。各種酒石酸都是易溶于水的無(wú)色結(jié)晶。
熔點(diǎn)：172-174 ℃
沸點(diǎn)：191.59℃ (rough estimate)
比旋光度：-12.1 o (C=20, H2O)
外觀：白色粉末或結(jié)晶
溶解性：可溶于水
敏感性：對(duì)光敏感
儲(chǔ)存條件：2-8℃
注意：部分產(chǎn)品我司僅能提供部分信息，我司不保證所提供信息的權(quán)威性，僅供客戶(hù)參考交流研究之用。
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