Huagongshe화공사 화학 정보 인쇄 보고서 · 연구 참고용
구연산 나트륨
구연산나트륨 · 구연산삼나트륨(이수화물) · 시트르산나트륨 · 구연산나트륨(SODIUMCITRATE) · CITRIC ACID MONO · SODIUM CITRATE TRIBASIC DIHYDRATE · TRI-SODIUM CITRATE DIHYDRATE · SODIUM CITRATE, DIHYDRATE
식별자 및 물리적 특성
| CAS No. | 6132-04-3 |
|---|---|
| 분자식 | C6H9Na3O9 |
| 평균 분자량 | 294.1 g/mol |
| 단동위원소 질량 | 293.99396471 g/mol |
| SMILES | O.O.O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].[Na+].[Na+].[Na+] |
| InChIKey | NLJMYIDDQXHKNR-UHFFFAOYSA-K |
| PubChem CID | 71474 |
| ChEBI | CHEBI:32142 |
| EC No. | 612-118-5 |
| DTXSID | DTXSID1049437 |
| 현지명 | 구연산 나트륨 |
화학 및 물리적 성질
| 극성 표면적 | 143 |
|---|---|
| 수소 결합 공여자 수 | 3 |
| 수소 결합 수용자 수 | 9 |
| 회전 가능 결합 수 | 2 |
| 무거운 원자 수 | 18 |
| 형식 전하 | 0 |
| 복잡도 | 211 |
| 물질 분류 | Metals -> Organic Acids, Metal Salts |
| 용해도 | Solubility in water, g/100ml: 77H2O: 100 mg/mL |
| Animal Drugs | Pharmaceuticals -> UK Veterinary Medicines Directorate List |
| Decomposition | 150 °C |
| Physical Description | White odorless solid[Merck Index] Colorless odorless crystalline powder[Alfa Aesar MSDS]WHITE SOLID IN VARIOUS FORMS. |
| 녹는점 | >300 °C(lit.) |
| 밀도 | 1.76 |
| FEMA | 3026 | SODIUM CITRATE |
| 인화점 | 173.9 °C |
| 저장 조건 | Store at +5°C to +30°C. |
| 물리적 상태 | 가루 |
| pKa(산도 계수) | 6.40 |
| 색상 | 하얀색 |
| 냄새 | 냄새 없는 |
| pH | 7.0-9.0 (25℃, 50mg/mL in H2O) |
| 생물학적 소스 | synthetic |
| 용해도 | 720g/L(25℃) |
| Merck | 14,8602 |
| BRN | 6104939 |
| 안정성 | 안정적인. 염기, 환원제, 산화제와 호환되지 않습니다. |
| 화장품 원료 기능 | 킬레이팅향기버퍼링 |
| InChI | 1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)2*1H2/q3*+1/p-3 |
| InChIKey | NLJMYIDDQXHKNR-UHFFFAOYSA-K |
| SMILES | O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O |
| LogP(분배 계수) | -1.72 |
| EPA | 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium salt, dihydrate (6132-04-3) |
| Absorption | ≤0.015 at 260nm≤0.015 at 280nm |
화학적 성질
white powder or colourless crystals
안전 및 규제
| GHS 분류 | This chemical does not meet GHS hazard criteria for 97% (520 of 536) of all reports.Not ClassifiedAggregated GHS information provided per 536 reports by companies from 4 notifications to the ECHA C&L Inventory. |
|---|---|
| 규제 정보 | Chemical: 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium salt, dihydrateTrisodium citrate dihydrate: Does not have an individual approval but may be used under an appropriate group standard |
| 기타 안전 정보 | IMAP assessments - 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trisodium salt, dihydrate: Human health tier I assessment |
| 화재 위험 | Combustible. |
| 유해성 요약 | An eye and respiratory tract irritant[ICSC] May cause irritation[Alfa Aesar MSDS] See Sodium citrate, anhydrous. |
| EPA Safer Chemical | Chemical: Sodium citrate, dihydrate |
| Chemical Dangers | The solution in water is a weak base. |
| Hazard Classes and Categories | Not Classified |
| 소화 | Use water spray, powder. |
| 응급 조치 | Fresh air, rest.Rinse and then wash skin with water and soap.First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.Rinse mouth. |
| 누출 처리 | Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water. |
| Eye Prevention | Wear safety spectacles. |
| Fire Prevention | NO open flames. |
| Inhalation Risk | Evaporation at 20 °C is negligiblea nuisance-causing concentration of airborne particles can, however, be reached quickly when dispersed. |
| Ingestion Prevention | Do not eat, drink, or smoke during work. |
| Inhalation Prevention | Use ventilation (not if powder). |
| Effects of Short Term Exposure | The substance is irritating to the eyes and respiratory tract. |
| 노출 경로 | The substance can be absorbed into the body by inhalation of its aerosol and by ingestion. |
| Signs and Symptoms | Cough. Sore throat.Redness. |
| 수질 위해 등급(WGK) | 1 |
| TSCA 등재 상태 | Yes |
| RTECS 번호 | GE7810000 |
| 독성 | LD50 orally in Rabbit: > 8000 mg/kg |
| 관세 코드 | 2918 15 00 |
| 위험 문구(R) | 37/38-41-36/37/38 |
| 위험 표시 | Xi |
| 안전 문구(S) | 26-36/37/39-24/25-36 |
| 저장 분류 | 11 - Combustible Solids |
용도
용도
Trisodium citrate dihydrate, is widely applied in food, beverages and fillers as a buffering, sequestering or an emulsifying agent. It used as an anticoagulant in blood transfusions, osmotic laxative, functional fluids, solvents cleaning, furnishing care products, laundry dishwashing products and cleaning automobile radiators.
일반 설명
Sodium citrate tribasic dihydrate is the tribasic dihydrate sodium salt of citric acid.
제조 및 합성 방법
생산 방법
Sodium citrate is prepared by adding sodium carbonate to a solution of citric acid until effervescence ceases. The resulting solution is filtered and evaporated to dryness.