酒石酸钠（CAS 868-18-8）：分子式 C4H4Na2O6、分子量 194.05；类别 食品添加剂。
| CAS号 | 868-18-8 |
|---|---|
| 分子式 | C4H4Na2O6 |
| 分子量 | 194.05 |
| 熔点 | 120 |
| 应用领域 | Uses: Used for standardizing Karl Fischer reagent、as a pharmaceutic aid (sequestering agent)、and cathartic、[Merck Index] Used as an emulsifier、pH control agent、and sequestrant for foods、[FDA] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Use Classification: Food additives、Food Additives -> SEQUESTRANT、STABILIZER -> JECFA Functional Classes、General Manufacturing Information: Butanedioic acid、2、3-dihydroxy- (2R、3R)-、sodium salt (1:2): ACTIVE、Butanedioic acid、3-dihydroxy-、sodium salt (1:2)、(2R、3R)-rel-: INACTIVE |
| 类别 | 其他食品添加剂 |
登记用途：Uses: Used for standardizing Karl Fischer reagent、as a pharmaceutic aid (sequestering agent)、and cathartic、[Merck Index] Used as an emulsifier、pH control agent、and sequestrant for foods、[FDA] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Use Classification: Food additives、Food Additives -> SEQUESTRANT、STABILIZER -> JECFA Functional Classes、General Manufacturing Information: Butanedioic acid、2、3-dihydroxy- (2R、3R)-、sodium salt (1:2): ACTIVE、Butanedioic acid、3-dihydroxy-、sodium salt (1:2)、(2R、3R)-rel-: INACTIVE。
酒石酸钠 是一种食品级化合物，登记 CAS 号为 868-18-8，分子式 C4H4Na2O6（分子量 194.05），归属于食品添加剂大类化工原料。
登记 CAS 号：868-18-8
其分子式 C4H4Na2O6 由 4 个碳、4 个氢、2 个钠、6 个氧 组成。
别名/同义词：酒石酸钠 · Sodium Tartrate
所属分类：食品添加剂
酒石酸钠 的 CAS 登记号为 868-18-8。
分子式 C4H4Na2O6，分子量 194.05。
别名/同义词：酒石酸钠、Sodium Tartrate。
登记用途：Uses: Used for standardizing Karl Fischer reagent、as a pharmaceutic aid (sequestering agent)、and cathartic、[Merck Index] Used as an emulsifier、pH control agent、and sequestrant for foods、[FDA] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Use Classification: Food additives、Food Additives -> SEQUESTRANT、STABILIZER -> JECFA Functional Classes、General Manufacturing Information: Butanedioic acid、2、3-dihydroxy- (2R、3R)-、sodium salt (1:2): ACTIVE、Butanedioic acid、3-dihydroxy-、sodium salt (1:2)、(2R、3R)-rel-: INACTIVE。
所属分类：其他食品添加剂。
酒石酸钠（CAS 868-18-8）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 868-18-8 |
|---|---|
| PubChem CID | 162637 |
| Molecular formula | C4H4Na2O6 |
| IUPAC name | disodium;(2R,3R)-2,3-dihydroxybutanedioate |
| UNII (FDA) | QTO9JB4MDD |
| Molecular Weight | 194.05 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 1 |
| Exact Mass | 193.98032641 |
| Monoisotopic Mass | 193.98032641 |
| Topological Polar Surface Area | 121 |
| Heavy Atom Count | 12 |
| Melting Point | 120 |
|---|
Sodium tartrate; Sodium L-tartrate; Disodium tartrate; 868-18-8; Bisodium tartrate; Disodium L-(+)-tartrate; Sal tartar; TARTARIC ACID, DISODIUM SALT; Sodium L-(+)-tartrate; QTO9JB4MDD; INS NO.335(II); INS-335(II); E-335(II); DTXSID2057861; CHEBI:63017; RefChem:887917
| Regulatory & Food Contact | FDA Substance added to food: EMULSIFIER OR EMULSIFIER SALT, PH CONTROL AGENT, SEQUESTRANT SEQUESTRANT; STABILIZER: Food Additives SODIUM L(+)-TARTRATE JECFA ADI: 0-30 mg/kg bw Expressed as L(+)-tartaric acid NMRS 53/TRS 539-JECFA 17/24 |
|---|---|
| GHS notification summary | 77.4% (161 / 208) |
| GHS notification summary | 77.4% (161 / 208) |
|---|---|
| Reported hazard statements | H302 (22.6%) |
This chemical does not meet GHS hazard criteria for 77.4% (161 of 208) of all reports.
H302 (22.6%): Harmful if swallowed [Warning Acute toxicity, oral]
Sodium Tartrate · CAS 868-18-8 · C4H4Na2O6. UNII QTO9JB4MDD. Melting Point: 120.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Sodium Tartrate