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72-18-4
bosschemical
72-18-4
| L-Valine Basic information | |
| Amino acids Content Analysis Chemical property Uses | |
| Product Name: | L-Valine |
| CAS: | 72-18-4 |
| MF: | C5H11NO2 |
| MW: | 117.15 |
| EINECS: | 200-773-6 |
| Mol File: | 72-18-4.mol |
| L-Valine Chemical Properties | |
| Melting point | 295-300 °C (subl.) (lit.) |
| alpha | 28 º (c=8, 6N HCl) |
| Boiling point | 213.6±23.0 °C(Predicted) |
| density | 1.23 |
| bulk density | 400kg/m3 |
| refractive index | 28 ° (C=8, HCl) |
| storage temp. | 2-8°C |
| solubility | H2O: 25 mg/mL |
| form | powder |
| pka | 2.29(at 25℃) |
| color | White |
| PH | 5.5-6.5 (100g/l, H2O, 20℃) |
| Odor | odorless |
| Odor Type | odorless |
| biological source | non-animal source |
| Optical Rotation | [α]20/D +27.0±0.5°, c = 5% in 5 M HCl |
| Water Solubility | 85 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: 0.15 |
| λ: 280 nm Amax: 0.1 | |
| Merck | 149,909 |
| BRN | 1721136 |
| Cosmetics Ingredients Functions | FRAGRANCE |
| ANTISTATIC | |
| HAIR CONDITIONING | |
| SKIN CONDITIONING | |
| InChIKey | KZSNJWFQEVHDMF-BYPYZUCNSA-N |
| LogP | 0.29 |
| CAS DataBase Reference | 72-18-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Valine(72-18-4) |
| EPA Substance Registry System | L-Valine (72-18-4) |
检验项目 ITEM | 检验标准 INSPECTION CRITERION | 检验结果 RESULT |
外 观 Appearance | 白色结晶或结晶性粉末 White crystals or crystalline powder | 白色结晶性粉末 Conforms |
鉴别 Identification | 应符合规定 Meets the requirements | 符合规定 Meets the requirements |
比旋度 Specific rotation[α]D25 | +26.6°~+28.8° | +28.0° |
干燥失重 Loss on drying | ≤0.3% | 0.13% |
炽灼残渣 Residue on ignition | ≤0.1% | 0.08% |
氯化物 Chloride(Cl) | ≤0.05% | ＜0.05% |
硫酸盐 Sulfate（SO4） | ≤0.03% | ＜0.03% |
铁 盐 Iron(Fe) | ≤30ppm | ＜30ppm |
砷盐 Arsenic（As） | ≤1.5ppm | ＜1.5ppm |
重金属 Heavy metals(Pb) | ≤15ppm | ＜15ppm |
有机挥发物 Organic volatile impurities | 应符合规定 Meets the requirements | 符合规定 Meets the requirements |
pH | 5.5～7.0 | 6.1 |
含量 Assay | 98.5%～101.5% | 99.3% |
| L-Valine Basic information | |
| Amino acids Content Analysis Chemical property Uses | |
| Product Name: | L-Valine |
| CAS: | 72-18-4 |
| MF: | C5H11NO2 |
| MW: | 117.15 |
| EINECS: | 200-773-6 |
| Mol File: | 72-18-4.mol |
| L-Valine Chemical Properties | |
| Melting point | 295-300 °C (subl.) (lit.) |
| alpha | 28 º (c=8, 6N HCl) |
| Boiling point | 213.6±23.0 °C(Predicted) |
| density | 1.23 |
| bulk density | 400kg/m3 |
| refractive index | 28 ° (C=8, HCl) |
| storage temp. | 2-8°C |
| solubility | H2O: 25 mg/mL |
| form | powder |
| pka | 2.29(at 25℃) |
| color | White |
| PH | 5.5-6.5 (100g/l, H2O, 20℃) |
| Odor | odorless |
| Odor Type | odorless |
| biological source | non-animal source |
| Optical Rotation | [α]20/D +27.0±0.5°, c = 5% in 5 M HCl |
| Water Solubility | 85 g/L (20 ºC) |
| λmax | λ: 260 nm Amax: 0.15 |
| λ: 280 nm Amax: 0.1 | |
| Merck | 149,909 |
| BRN | 1721136 |
| Cosmetics Ingredients Functions | FRAGRANCE |
| ANTISTATIC | |
| HAIR CONDITIONING | |
| SKIN CONDITIONING | |
| InChIKey | KZSNJWFQEVHDMF-BYPYZUCNSA-N |
| LogP | 0.29 |
| CAS DataBase Reference | 72-18-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Valine(72-18-4) |
| EPA Substance Registry System | L-Valine (72-18-4) |
检验项目 ITEM | 检验标准 INSPECTION CRITERION | 检验结果 RESULT |
外 观 Appearance | 白色结晶或结晶性粉末 White crystals or crystalline powder | 白色结晶性粉末 Conforms |
鉴别 Identification | 应符合规定 Meets the requirements | 符合规定 Meets the requirements |
比旋度 Specific rotation[α]D25 | +26.6°~+28.8° | +28.0° |
干燥失重 Loss on drying | ≤0.3% | 0.13% |
炽灼残渣 Residue on ignition | ≤0.1% | 0.08% |
氯化物 Chloride(Cl) | ≤0.05% | ＜0.05% |
硫酸盐 Sulfate（SO4） | ≤0.03% | ＜0.03% |
铁 盐 Iron(Fe) | ≤30ppm | ＜30ppm |
砷盐 Arsenic（As） | ≤1.5ppm | ＜1.5ppm |
重金属 Heavy metals(Pb) | ≤15ppm | ＜15ppm |
有机挥发物 Organic volatile impurities | 应符合规定 Meets the requirements | 符合规定 Meets the requirements |
pH | 5.5～7.0 | 6.1 |
含量 Assay | 98.5%～101.5% | 99.3% |
