compound introduction
description： 22,23-Dihydroergocalciferol, also known as vitamin D4, is derived from fungi such as yeast. It is synthesized from the precursor ergosta-5,7-dienol (22,23-dihydroergosterol).
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Vitamin D4
Dangerous GoodsCAS number：511-28-4 molecular formula：C28H46O
overview
Specs
| Chinese alias | 维生素D4 | 维他命 D4 | 22,23-二氢维他命 D2 | ||
| English alias | Vitamin D4 | (5Z,7E)-(3S)-9,10-secoergosta-5,7,10(19)-trien-3-ol | 9,10-Secocholesta-5,7,10(9)-trien-3-ol, 24-methyl- | 22-DIHYDROERGOCALCIFEROL(5Z,7E)-(3S)-9,10-SECO-5,7,10(19)-ERGOSTATRIEN-3-OL(24S)-METHYLCALCIOL | CHEBI:178169 | (3beta,5Z,7E)-9,10-seco | ||
| CAS number | 511-28-4 | molecular formula | C28H46O |
| molecular weight | 398.66 g/mol | Exact mass | ≥97%(HPLC) |
| PSA | 20.200 Ų | logp | 8.2 |
numbering system
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physicochemical properties
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Safety information
pictogram：
GHS06 , GHS08
Signal word：
Danger
Hazard Statement：
H301: 吞咽会中毒 H311: 皮肤接触有毒 H330: 吸入致命 H372: 通过长时间或反复暴露对器官造成损害
Statement of Preventive Measures：
P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P302+P352: 如皮肤沾染：用水充分清洗。 P321: 特殊处理（请参阅此标签上的...）。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P260: 不要吸入灰尘/烟雾/气体/雾/蒸汽/喷雾。 P284: 如果通风不良，请佩戴呼吸防护装置。 P271: 仅在室外或通风良好的地方使用。 P270: 使用本产品时，请勿进食、饮水或吸烟。 P304+P340: 如误吸入：将人转移到空气新鲜处，保持
WGK Germany：
3
Production methods and uses
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downstream information
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MSDS
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