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Benzoic Acid
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4057681 | 60 G | 3090 | |||
| 4057681 | 60 G | 3090 |
产品别名
65-85-0
Benzoic Acid
Phenylformic acid, Benzene carboxylic acid
基本信息
| Empirical Formula【经验(实验)分子式】 | C7H6O2 |
| Molecular weight | 122.12 |
| EC Index Number【EC索引号】 | 200-618-2 |
| General description【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. |
| Application【应用】 | It is used as a certified reference material (CRM) for titer determinations in alkalimetric titrations, following USP and Ph. Eur. |
| Features and Benefits【特点和优势】 |
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| Legal Information【法律信息】 | CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 300 |
| agency | ISO 17025 reag. Ph. Eur. reag. USP |
| vapor pressure【蒸汽压】 | 0.001 hPa ( 20 ℃) |
| form【形式】 | solid |
| autoignition temp.【自燃温度】 | 570 ℃ |
| potency【效能】 | 1700 mg/kg LD50, oral (Rat) >5000 mg/kg LD50, skin (Rabbit) |
| technique(s) | titration: suitable |
| pH【pH值(酸碱度)】 | 2.5-3.5 (20 ℃ in H2O, saturated solution) |
| bp | 249 ℃/1013 hPa |
| mp | 121-123 ℃ |
| transition temp【转变温度】 | flash point 121 ℃ |
| solubility【溶解性】 | 2.9 g/L |
| density | 1.321 g/cm3 at 20 ℃ |
| bulk density【堆积密度】 | 500 kg/m3 |
| storage temp.【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 |
| packaging【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 |
安全信息
| Pictograms【象形图】 | GHS05,GHS08 |
| Signal word【警示用语：】 | Danger |
| Hazard Statements | H315 - H318 - H372 |
| Precautionary Statements | P260 - P264 - P280 - P302 + P352 - P305 + P351 + P338 - P314 |
| Hazard Classifications【危险分类】 | Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1 Inhalation |
| Target Organs【靶器官】 | Lungs |
| Storage Class Code【储存分类代码】 | 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects |
| WGK | WGK 1 |
