Benzoic Acid

半岛bd体育手机客户端 说明

一般描述

Benzoic acid is a volumetric standard produced under rigorous conditions and qualified with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.

应用

It is used as a certified reference material (CRM) for titer determinations in alkalimetric titrations, following USP and Ph. Eur.

特点和优势

• Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
• Certified reference material according to ISO 17034
• High-purity material traceable to NIST SRMs
• Measured in a DIN EN ISO/IEC 17025 accredited laboratory
• In accordance with the chapter reagents of USP and Ph. Eur
• High-quality offering accurate titer determinations
• Accompanied by a certificate of analysis (CoA)

包装

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

法律信息

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

经验(实验)分子式	C7H6O2
分子量	122.12
EC索引号	200-618-2

半岛bd体育手机客户端 性质

质量水平	300
agency	ISO 17025 reag. Ph. Eur. reag. USP
蒸汽压	0.001 hPa ( 20 ℃)
形式	solid
自燃温度	570 ℃
效能	1700 mg/kg LD50, oral (Rat) >5000 mg/kg LD50, skin (Rabbit)
technique(s)	titration: suitable
pH值(酸碱度)	2.5-3.5 (20 ℃ in H2O, saturated solution)
bp	249 ℃/1013 hPa
mp	121-123 ℃
转变温度	flash point 121 ℃
溶解性	2.9 g/L
密度	1.321 g/cm3at 20 ℃
堆积密度	500 kg/m3
储存温度	15-25℃
InChI	1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)
InChI key	WPYMKLBDIGXBTP-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Danger
危险声明	H315 - H318 - H372
预防措施声明	P260 - P264 - P280 - P302 + P352 - P305 + P351 + P338 - P314
危险分类	Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1 Inhalation
靶器官	Lungs
储存分类代码	6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK	WGK 1