Cream of tartar（CAS 868-14-4）：分子式 C4H6O6、分子量 150.09；类别 有机化学品。
| CAS号 | 868-14-4 |
|---|---|
| 分子式 | C4H6O6 |
| 分子量 | 150.09 |
| 熔点 | 169 °C |
| LogP | -1.2 |
| 类别 | Organic Chemicals |
Cream of tartar 是一种以碳骨架为基础的有机化合物，登记 CAS 号为 868-14-4，分子式 C4H6O6（分子量 150.09），归属于有机化学品大类化工原料。
登记 CAS 号：868-14-4
其分子式 C4H6O6 由 4 个碳、6 个氢、6 个氧 组成。
别名/同义词：Cream of tartar · Potassium bitartrate
所属分类：有机化学品
Cream of tartar 的 CAS 登记号为 868-14-4。
分子式 C4H6O6，分子量 150.09。
别名/同义词：Cream of tartar、Potassium bitartrate。
所属分类：Organic Chemicals。
Cream of tartar（CAS 868-14-4）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 868-14-4 |
|---|---|
| PubChem CID | 444305 |
| Molecular formula | C4H6O6 |
| IUPAC name | (2R,3R)-2,3-dihydroxybutanedioic acid |
| UNII (FDA) | 4J4Z8788N8 |
| FEMA number | 3044 |
| JECFA number | 621 |
| Molecular Weight | 150.09 |
|---|---|
| XLogP3 | -1.9 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 3 |
| Exact Mass | 150.01643791 |
| Monoisotopic Mass | 150.01643791 |
| Topological Polar Surface Area | 115 |
| Heavy Atom Count | 10 |
| Melting Point | 169 °C |
|---|---|
| Melting Point | 206 °C |
| Flash Point | 210 °C c.c. |
| Solubility | 582 mg/mL at 20 °C |
| Density | 1.76 @25 °C |
| Vapor Pressure | 0.00000015 [mmHg] |
| LogP | -1.2 |
| Autoignition Temperature | 425 °C |
| Collision Cross Section | 118.3 Ų [M-H]- |
L-tartaric acid; 87-69-4; L-(+)-Tartaric acid; L(+)-Tartaric acid; tartaric acid; (2R,3R)-2,3-dihydroxysuccinic acid; (2R,3R)-2,3-dihydroxybutanedioic acid; (+)-Tartaric acid; (+)-L-Tartaric acid; (R,R)-Tartaric acid; Threaric acid; Dextrotartaric acid; L-threaric acid; Natural tartaric acid; (+)-(R,R)-Tartaric acid; (2R,3R)-Tartaric acid
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, FIRMING AGENT, FLAVOR ENHANCE Flavoring Agents FLAVOURING_AGENTFood Additives -> ACID; ANTIOXIDANT_SYNERGIS: Flavouring Agent TARTARIC ACID, L ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, FIRMING AGENT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT |
|---|---|
| GHS notification summary | 0.9% (44 / 4731) |
| GHS notification summary | 0.9% (44 / 4731) |
|---|---|
| Reported hazard statements | H302 (42.5%), H315 (54.3%), H317 (42.5%), H318 (41.2%), H319 (57.8%), H335 (55.4%) |
This chemical does not meet GHS hazard criteria for 0.9% (44 of 4731) of reports.
H302 (42.5%): Harmful if swallowed [Warning Acute toxicity, oral]
Cream of tartar · CAS 868-14-4 · C4H6O6. UNII 4J4Z8788N8. Melting Point: 169 °C; Melting Point: 206 °C; Flash Point: 210 °C c.c..
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Cream of tartar