5,8-Dihydroxy-2-[(1R)-1-hydroxy-4-methyl-pent-3-enyl]naphthalene-1,4-dione
Product Number :
CAS No. :
Brand :
Molecular formula :
Molecular weight :
Properties :
| Item Number | Pack Size | Purity/Level | Delivery period | Price | Quantity |
|---|---|---|---|---|---|
| YB563456-25mg | 25mg | 98% | In Stock | ||
| YB563456-100mg | 100mg | 98% | In Stock | ||
| YB563456-250mg | 250mg | 98% | In Stock | ||
| YB563456-1g | 1g | 98% | In Stock |
Basic Information
| English name | 5,8-Dihydroxy-2-[(1R)-1-hydroxy-4-methyl-pent-3-enyl]naphthalene-1,4-dione |
|---|---|
| Alternative name | 紫草素 | 紫草红 | 紫朱草素 | 5,8-二羟基-2-[(1R)-1-羟基-4-甲基戊-3-烯基]萘-1,4-二酮 | 欧紫草 | 紫根色素 |
| Cas No. | 517-89-5 |
| MDL No. | MFCD00075680 |
| Precise molecular weight | 288.09978 |
| Smiles | CC(C)=CC[C@@H](O)C1C(=O)C2C(=C(O)C=CC=2O)C(=O)C=1 |
Safety Information
| Density | 1.373 g/cu cm |
|---|---|
| Key Words | 警告 |
| Classification of Hazardous Materials | 20/21/22-50/53-20 |
| Melting point | 147 °C |
| Boiling point | 567.4±50.0 °C(Predicted) |
| Customs code | 29146990 |
| Characteristics | * |
| Purpose | 食用紫色色素。用于辣味肉禽类罐头着色，用量0.35～0.56g/kg。可将压碎的紫草置于细筛内，以1 60～170℃的热油浇于其上，使色素溶于油内。油经细筛流出，与容器内的辣椒粉混合，经充分搅匀后熬制成混合酱备用。；作食品着色剂，我国规定可用于果汁(味)饮料类、果酒、雪糕和冰棍，最大使用量为0.1g/kg。 参考质量标准二 参考标准 ▼ ▲ 吸光度(E E 1cm 1% ，515nm) ＞120 灼烧残渣/% ≤0.8 干燥失重/% ≤6.0 pH值 ≤5.0砷(以As计)/% ≤0.0001 铅(以Pb 计)/% ≤0.0005 细菌总数/(个/mL) ≤100 大肠菌群/(个/mL) ≤30 致病菌(肠道致病菌及致病性球菌) 不得检出 参考质量标准一 中国轻工行业标准-94 ▼ ▲ 色价酬臻，515nm ≥120～150 灼烧残渣(GT-5) ≤0.8% 干燥失重(GT-19) ≤6.0%(糊状品) pH ≤5.0 砷(GT-3) ≤0.0001% 铅(GT-8) ≤0.0005% |
| Safety Instructions | 26-36/37/39-61 |
| Water solubility | DMSO : ≥ 31 mg/mL (107.53 mM); |
| Symbol | GHS07 |
| Storage requirements | 室温储存 |
Product Details
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