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L- (+)-Tartaric acid

L -(+)-酒石酸

品牌
Sigma-Aldrich
CAS
87-69-4
货号
T1807
规格纯度
BioXtra
价格
698.31 *本价格含增值税费
促销
服务
  • 原厂保证
  • 包邮
  • 增值税票
数量
- +
半岛bd体育手机客户端 名称:
87-69-4
L- (+)-Tartaric acid
L -Threaric acid
(2 R,3 R)-(+)-Tartaric acid
L -(+)-酒石酸
(2 R,3 R)-(+)-酒石酸
左旋酒石酸
半岛bd体育手机客户端 介绍:

半岛bd体育手机客户端 说明

一般描述

Tartaric acid is a dicarboxylic acid and occurs as two enantiomers and an achiral meso compound. The L -(+)-tartaric acid is extensively found in nature. It is an acid present in fruits such as grapes and bananas. It possesses an astringent and citrus flavor.

应用

L -(+)-Tartaric acid has been used:

  • in filter-sterilized synthetic grape juice for feast fermentation
  • in crystallization experiment
  • to test the influence of stereospecific interactions between stereoisomers of tartaric acid and proteins during crystallogenesis

包装

1 kg in poly bottle
100, 500 g in poly bottle

生化/生理作用

L -(+)-Tartaric acid serves as a donor ligand for biological processes. It is used as a food additive in candies and soft drinks to impart a sour taste.

基本信息

线性分子式 HO2CCH(OH)CH(OH)CO2H
分子量 150.09
Beilstein 1725147
EC 号 201-766-0
MDL编号 MFCD00064207
PubChem化学物质编号 24899993

半岛bd体育手机客户端 性质

质量水平 200
蒸汽密度 5.18 (vs air)
半岛bd体育手机客户端 线 BioXtra
测定 ≥98%
形式 powder
自燃温度 797 °F
杂质 ≤0.002% Phosphorus (P)
≤0.1% Insoluble matter
灼烧残渣 ≤0.1%
mp 170-172 ℃ (lit.)
溶解性 H2O: 1 M at 20 ℃, clear, colorless
痕量阴离子 chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%
痕量阳离子 Al: ≤0.002%
Ca: ≤0.005%
Cu: ≤0.0005%
Fe: ≤0.005%
K: ≤0.005%
Mg: ≤0.001%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%
SMILES string O[C@H]([C@@H](O)C(O)=O)C(O)=O
InChI 1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10)/t1-,2-/m1/s1
InChI key FEWJPZIEWOKRBE-JCYAYHJZSA-N

安全信息

象形图 GHS05
警示用语: Danger
危险声明 H318
预防措施声明 P280 - P305 + P351 + P338
危险分类 Eye Dam. 1
储存分类代码 13 - Non Combustible Solids
WGK WGK 1
闪点(F) 302.0 °F - closed cup
闪点(C) 150 ℃ - closed cup
个人防护装备 dust mask type N95 (US), Eyeshields, Gloves

Sigma-Aldrich

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