这种成分是什么?

이 원료는 다음의 구조를 갖는 무기염이다.

成分词典

DISODIUM PHOSPHATE

暂无产品标示该成分含量。

含该成分的产品中，58 款将其列在 1% 线之前，368 款列在之后（通常不超过 1%）。

已确认 426 款中的 12 款 · 按含量充足程度排序 · 查看全部 426 款

稳定 pHBUFFERING防止容器和设备腐蚀ANTICORROSIVE登记为香料组成物质（并非表示其增香）FRAGRANCE

Reviewed by CIR: Safety Assessment of Phosphoric Acid and Its Salts as Used in Cosmetics

详细资料——标示名称、识别编号、物性、试验记录、文献

日本化妆品工业联合会标示名称リン酸２Ｎａ: 本品は、リン酸（＊）の二ナトリウム塩であり、次の化学式で表される。

DISODIUM PHOSPHATEINCI다이소듐포스페이트韩国标示名称（食药处标准名）リン酸２Ｎａ日本标示名称

性状: Sodium phosphate, dibasic appears as a colorless to white crystalline solid. Soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread to the environment. Used as a fertilizer, in pharmaceuticals, in food processing, and for many other uses. · Liquid, Dry Powder, Other Solid, CBI
气味: NONE
熔点: MP: loses H2O at 92.5 °C, Specific gravity: 2.066 at 15 °C /Disodium phosphate dihydrate/ · Translucent crystals or granules, readily loses 5 mols of water on exposure to air at ordinary temp. Melting point 34-35 °C (when it contains the full 12 mols of H2O). Specific gravity 1.5. Soluble in 3 parts water, practically insoluble in alcohol. Aqueous solution is alkaline, pH=9.5. /Dodecahydrate/
溶解性: greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) · Freely soluble in water. Insoluble in ethanol
密度: 1.8 to 2.5 at 77 °F (USCG, 1999) · approx 1.7 g/cu cm
稳定性: On exposure to air, it absorbs 2-7 moles water depending on humidity and temperature. · Stable in air. /Disodium Phosphate Heptahydrate/
pH: Between 8,4 and 9,6 (1 % solution) · pH = 9.1 for 1% aq soln at 25 °C
解离常数: pKa1 = 2.15, pKa2 = 6.83, pKa3 = 12.38 (phosphoric acid), all at 25 °C

这是对物质本身测得的数值，并非原料商品的规格。

来源: PubChem