酸式焦磷酸钠(CAS 7758-16-9):分子式 Na2O7P2²⁻、分子量 219.92;类别 食品添加剂。
| CAS号 | 7758-16-9 |
|---|---|
| 分子式 | Na2O7P2²⁻ |
| 分子量 | 219.92 |
| 类别 | 酸度调节剂|膨松剂|营养强化剂 |
酸式焦磷酸钠 是一种食品级化合物,登记 CAS 号为 7758-16-9,分子式 Na2O7P2²⁻(分子量 219.92),归属于食品添加剂大类化工原料。
登记 CAS 号:7758-16-9
其分子式 Na2O7P2²⁻ 由 2 个钠、7 个氧、2 个磷 组成。
别名/同义词:酸式焦磷酸钠 · di-sodium dihydrogen pyrophosphate anhydrous · SODIUM ACID PYROPHOSPHATE FOOD GRADE
所属分类:酸度调节剂 / 膨松剂 / 食品添加剂
酸式焦磷酸钠 的 CAS 登记号为 7758-16-9。
分子式 Na2O7P2²⁻,分子量 219.92。
别名/同义词:酸式焦磷酸钠、di-sodium dihydrogen pyrophosphate anhydrous、SODIUM ACID PYROPHOSPHATE FOOD GRADE。
所属分类:酸度调节剂 / 膨松剂 / 营养强化剂。
酸式焦磷酸钠(CAS 7758-16-9)的独立参考数据,整理自公开化学数据库。
| CAS Registry Number | 7758-16-9 |
|---|---|
| PubChem CID | 24451 |
| Molecular formula | Na2H2P2O7 |
| IUPAC name | disodium;[hydroxy(oxido)phosphoryl] hydrogen phosphate |
| UNII (FDA) | H5WVD9LZUD |
| Molecular Weight | 221.94 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 2 |
| Exact Mass | 221.90711496 |
| Monoisotopic Mass | 221.90711496 |
| Topological Polar Surface Area | 130 |
| Heavy Atom Count | 11 |
| Density | 1.862 @25 °C |
|---|
7758-16-9; Sodium acid pyrophosphate; Disodium dihydrogen pyrophosphate; DISODIUM PYROPHOSPHATE; Disodium dihydrogen diphosphate; Dinatriumpyrophosphat; Disodium acid pyrophosphate; Diphosphoric acid, disodium salt; SAPP; H5WVD9LZUD; Pyrophosphoric acid, disodium salt; RefChem:135083; 231-835-0; Dinatriumpyrophosphat [German]; Disodium dihydrogenpyrophosphate; HSDB 377
| Regulatory & Food Contact | FDA Substance added to food: COLOR OR COLORING ADJUNCT, DOUGH STRENGTHENER, EMULSIFIER OR EMULSIFIER SALT, FL ACIDITY_REGULATOR; RAISING_AGENT; SEQUESTRANT: Food Additives COLOR OR COLORING ADJUNCT, DOUGH STRENGTHENER, EMULSIFIER OR EMULSIFIER SALT, FLAVORING AGENT OR ADJUVANT, FLO ACID SODIUM PYROPHOSPHATE Group MTDI for phosphorus from all sources, expressed as P TRS 683-JECFA 26/25 |
|---|---|
| GHS notification summary | 14.5% (71 / 490) |
| GHS notification summary | 14.5% (71 / 490) |
|---|---|
| Reported hazard statements | H302 (25.5%), H319 (84.5%) |
This chemical does not meet GHS hazard criteria for 14.5% (71 of 490) of reports.
H302 (25.5%): Harmful if swallowed [Warning Acute toxicity, oral]
SODIUM ACID PYROPHOSPHATE FOOD GRADE · CAS 7758-16-9 · Na2H2P2O7. UNII H5WVD9LZUD. Density: 1.862 @25 °C.
数据来源:PubChem / Wikidata;与随货 COA 不一致时以 COA 为准。
English page: di-sodium dihydrogen pyrophosphate anhydrous