产品说明
一般描述
Benzoic acid melting point standard, 121-123 ℃ is useful as a melting point calibration standard while defining the purity of pharmaceutical chemicals. Its melting point value is determined with an average of 6 to 12 measurements using a Büchi B-545 instrument that is calibrated against primary standards.
应用
Melting point standard 121-123 ℃, benzoic acid is an analytical standard used to calibrate melting point instruments, in the thermodynamic mode of operation. It is also used in R & D labs for chemical quality control (QC) and quality assurance (QA) to identify solid crystalline substances and to check their purity.
特点和优势
基本信息
| 线性分子式 | C6H5COOH |
| 分子量 | 122.12 |
| Beilstein | 636131 |
| EC 号 | 200-618-2 |
| MDL编号 | MFCD00002398 |
| PubChem化学物质编号 | 329766569 |
产品性质
| 质量水平 | 100 |
| 等级 | analytical standard |
| 蒸汽密度 | 4.21 (vs air) |
| 蒸汽压 | 10 mmHg ( 132 ℃) |
| 自燃温度 | 1061 °F |
| 保质期 | limited shelf life, expiry date on the label |
| bp | 249 ℃ (lit.) |
| mp | 121-123 ℃ (±0.3℃) 121-125 ℃ (lit.) |
| application(s) | food and beverages pharmaceutical |
| 格式 | neat |
| SMILES string | OC(=O)c1ccccc1 |
| 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 |
| 个人防护装备 | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
SUPELCO
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