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柠檬酸 一水合物
Citric acid monohydrate
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 |
| 3426476 | 1 KG | 813 | |||
| 3426476 | 2.5 KG | 1840 | |||
| 3426476 | 6 X 1 KG | 3610 | |||
| 3426476 | 6 X 2.5 KG | 8580 | |||
| 3426476 | 25 KG | 12110 |
产品别名
5949-29-1
柠檬酸 一水合物
Citric acid monohydrate
结构式
基本信息
| Linear Formula【线性分子式】 | HOC(COOH)(CH2COOH)2 · H2O |
| Molecular weight | 210.14 |
| Beilstein | 4018641 |
| EC number【EC 号】 | 201-069-1 |
| MDL number | MFCD00149972 |
| PubChem Substance ID【PubChem化学物质编号】 | 57648219 |
| NACRES | NA.21 |
| Quality【质量】 | meets analytical specification of Ph. Eur., BP, USP, E330 |
| General description【一般描述】 | Citric acid monohydrate is an organic acid. Its molar enthalpy of solution in water has been reported to be ΔsolHm (298.15K, m = 0.0203molkg-1) = (29061 ± 123)Jmol-1 |
| Application【应用】 | Citric acid monohydrate may be used in the diltiazem hydrochloride (drug) and melt extruded Eudragit RS PO (polymer) formulations. It improves the solubility of drug in the polymer matrix. It may be used to prepare citrate buffer for use in the intravital microscopic studies of adhesion and aggregation of platelets. |
产品性质
| Quality Level【质量水平】 | 200 |
| grade【等级】 | puriss. |
| Assay【测定】 | 99.5-100.5% (based on anhydrous substance) |
| form【形式】 | grit |
| impurities【杂质】 | residual solvents, complies ≤0.0005% heavy metals (as Pb) 7.5-8.8% water (Karl Fischer) |
| ign. residue【灼烧残渣】 | ≤0.05% (as SO4) |
| pKa | (1) 3.13, (2) 4.76, (3) 6.4 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤50 mg/kg oxalate (as oxalic acid): ≤100 mg/kg sulfate (SO42-): ≤100 mg/kg |
| cation traces【痕量阳离子】 | As: ≤1 mg/kg Ca: ≤200 mg/kg Cu: ≤10 mg/kg Fe: ≤10 mg/kg Hg: ≤1 mg/kg Pb: ≤1 mg/kg Zn: ≤10 mg/kg |
| suitability【适用性】 | complies for appearance of solution complies for identity (IR) complies for reaction against H2SO4 |
| SMILES string | OC(CC(O)(C(O)=O)CC(O)=O)=O.O |
| InChI | 1S/C6H8O7.H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);1H2 |
| InChI key | YASYEJJMZJALEJ-UHFFFAOYSA-N |
安全信息
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H319 |
| Precautionary Statements | P305 + P351 + P338 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 |
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 1 |
| Flash Point(F)【闪点(F)】 | 345.0 °F |
| Flash Point(C)【闪点(C)】 | 173.9 ℃ |
| Personal Protective Equipment【个人防护装备】 | dust mask type N95 (US), Eyeshields, Gloves |
