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Merck
CN

PHR1273

苹果酸

Pharmaceutical Secondary Standard; Certified Reference Material

别名:

DL-苹果酸, (±)-2-羟基琥珀酸, DL-羟基丁二酸

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关于此项目

线性分子式:
HO2CCH2CH(OH)CO2H
化学文摘社编号:
6915-15-7
分子量:
134.09
NACRES:
NA.24
E Number:
E296
PubChem Substance ID:
329823269
UNSPSC Code:
41116107
EC Number:
230-022-8
MDL number:
MFCD00064212
Beilstein/REAXYS Number:
1723539

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产品名称

苹果酸, Pharmaceutical Secondary Standard; Certified Reference Material

InChI key

BJEPYKJPYRNKOW-UHFFFAOYSA-N

InChI

1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)

SMILES string

OC(CC(O)=O)C(O)=O

grade

certified reference material
pharmaceutical secondary standard

agency

traceable to Ph. Eur. Y0000143
traceable to USP 1374601

vapor density

4.6 (vs air)

vapor pressure

<0.1 mmHg ( 20 °C)

API family

malic acid

CofA

current certificate can be downloaded

autoignition temp.

644 °F

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

131-133 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care
pharmaceutical (small molecule)

format

neat

storage temp.

2-30°C

Quality Level

300

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Analysis Note

These secondary standards offer multi-traceability to the US and EP primary standards, where they are available.

Application

这些二级标准品是合格的认证标准物质（CRM）。它们适用于多种分析应用，包括但不限于药物释放测试、药物的定性和定量分析方法开发、食品和饮料质量控制检测以及其他校准需求。

General description

用于质量控制的制药二级标准品，为制药实验室和制造商制备内部工作标准品提供了一种方便、高性价比的替代方案。
苹果酸是一种天然存在的酸化剂和弱酸性食品添加剂，存在于大多数水果和蔬菜中。它被广泛用于增强风味，调节碱性产品的pH值，控制细菌的生长。

Other Notes

在我们的NMR在线平台ChemisTwin®上可以找到本品对应的数字化标准物质。您可使用ChemisTwin®上的数字等效品鉴定您的样品并进行定量分析（使用数字化外标）。可查看该物质的NMR谱图，只需点击几次鼠标，就能进行在线样品比对。欢迎点击了解更多，开启免费试用之旅。
本认证参考材料是根据国际标准化组织指南 17034 和国际标准化组织/国际电工委员会17025 生产和认证的。所有关于客户关系管理的信息都可以在分析证书上找到。
要查看该材料的分析证书示例，请在下面的栏位中输入LRAA0009。这只是一个示例证书，可能不是您收到的批次。

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

397.4 °F

flash_point_c

203 °C

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