DL-타타르산
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DL-타타르산 속성
- 녹는점
- 210-212 °C(lit.)
- 끓는 점
- 191.59°C (rough estimate)
- 알파
- [α]D20 -0.2～+0.2° (c=20, H2O)
- 밀도
- 1.788
- 증기압
- <0.1 hPa (20 °C)
- 굴절률
- 1.5860 (estimate)
- 인화점
- 210 °C
- 저장 조건
- Store below +30°C.
- 용해도
- H2O: 0.1 g/mL, 투명
- 물리적 상태
- 액체
- 산도 계수 (pKa)
- 3.03, 4.37(at 25℃)
- 색상
- 하얀색
- 수소이온지수(pH)
- 3.19(1 mM solution);2.58(10 mM solution);2.03(100 mM solution);
- 냄새
- 100.00%에서. 아주 순한 카라멜
- ?? ??
- 냄새 없는
- 수용성
- 녹는
- Merck
- 14,9069
- JECFA Number
- 621
- BRN
- 1725148
- Dielectric constant
- 35.9（-10℃）
- 안정성
- 안정적인. 염기, 산화제, 환원제, 은과 호환되지 않습니다.
- InChIKey
- FEWJPZIEWOKRBE-UHFFFAOYSA-N
- LogP
- -1.43
- CAS 데이터베이스
- 133-37-9(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xi | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 36/37/38-41 | ||
| 안전지침서 | 26-37/39-36 | ||
| WGK 독일 | 3 | ||
| 자연 발화 온도 | 425 °C | ||
| TSCA | Yes | ||
| HS 번호 | 29181200 | ||
| 기존화학 물질 | KE-10802 |
DL-타타르산 C화학적 특성, 용도, 생산
순도시험
(1) 융점 : 이 품목의 융점은 200～206℃이어야 한다.
(2) 황산염 : 「L-주석산」의 순도시험 (2)에 따라 시험한다.
(3) 비소 : 이 품목을 비소시험법에 따라 시험할 때, 그 양은 4.0ppm 이하이어야 한다.
(4) 납 : 이 품목 5.0g을 취하여 원자흡광광도법 또는 유도결합플라즈마발광광도법에 따라 시험할 때, 그 양은 2.0ppm 이하이어야 한다.
(5) 산화되기 쉬운 물질 : 이 품목 1g에 물 25mL 및 묽은황산 25mL를 가하여 녹이고 이를 20℃로 유지하면서 0.1N 과망간산칼륨용액 4mL를 가할 때, 시액의 색이 3분 이내에 없어져서는 아니 된다.
확인시험
(1) 이 품목의 수용액(1→10)은 선광성을 가지고 있지 않다.
(2) 「L-주석산」의 확인시험 (2), (3) 및 (4)에 따라 시험한다.
정량법
「L-주석산」의 정량법에 따라 정량한다.
강열잔류물
「L-주석산」의 강열잔류물시험법에 따라 시험한다.
화학적 성질
DL-Tartaric acid is a water- and alcohol-soluble colorless crystalline solid with a characteristic acid taste and a melting temperature of 170°C(338°F). Naturally occurring tartaric acid is generally of the L-configuration (based on the absolute configuration of D-glyceric acid). The L-forms of tartrates are dextrorotatory in solution and thus are designated as L(+)-tartrates. It is also known as dihydroxy succinic acid. Tartaric acid is used as a chemical intermediate and a sequestrant,as well as in tanning, effervescent beverages, baking powder, ceramics, photography, textile processing,mirror silvering,and metal coloring.출처
d-Tartaric acid occurs in many fruits or other parts of the plant, free or combined with potassium, calcium or magnesium. It is also reported found in raw, lean fish, white wine, red wine and port wine.주요 응용
DL-Tartaric acid can be used:In the Debus–Radziszewski reaction as a weak acid for the synthesis of imidazolium ionic liquid.
As an additive in electrochemical deposition technique for the synthesis of bismuth thin films to be used as X-ray absorbers.
As a complexing agent for the synthesis of nano-crystalline indium tin oxide (ITO) powder.
As a dopant for the synthesis of polyaniline nanofibers and nanotubes by oxidation polymerization.
용도
DL-Tartaric acid is used as a synergist for antioxidants, emulsifier, sequestrant and flavoring agent. It is also added with citric acid to prepare effervescent salts, thereby enhancing the taste of oral medications. It is also utilized in pigments, processing aids, ink, toner and colorant products. It acts as a chelating agent in metal and farming industries. Further, it is used as lubricant and grease. It is mixed with sodium bicarbonate and used as a leavening agent in food preparation. In the pharmaceutical industry, it is utilized in the preparation of tartar emetic, which is used in cough syrup as an expectorant.정의
ChEBI: DL-Tartaric acid is a tetraric acid that is butanedioic acid substituted by hydroxy groups at positions 2 and 3. It has a role as a human xenobiotic metabolite and a plant metabolite. It is a conjugate acid of a 3-carboxy-2,3-dihydroxypropanoate.제조 방법
The tartrates used in commerce are obtained as a by-product of wine manufacture and have the L(+) configuration. Produced from argols or wine lees, which are formed in the manufacture of wine by extracting the potassium acid tartrate, transforming this into the calcium salt and then acidifying with dilute sulfuric acid; also by oxidation of d-glucose with nitric acid. The dl-tartaric acid is obtained by boiling the d-tartaric acid with an aqueous solution of NaOH or by oxidation of fumaric acid. The l- and the meso-tartaric acid are also known, but are less important.DL-타타르산 준비 용품 및 원자재
원자재
칼슘타트레이트
텅스텐 산
말레인산
말레산 무수물
과산화 수소
피루브 산, 나트륨 염
(+/-)-TRANS-EPOXYSUCCINIC ACID
D(-)-Tartaric acid
CIS-EPOXYSUCCINIC ACID
2,4-펜타디엔노익산
DIHYDROXYFUMARIC ACID
MESOTARTARIC ACID
소르빈산
준비 용품
DL-타타르산 공급 업체
글로벌( 712)공급 업체
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