229253

Carminic acid

≥90% (HPLC)

• 동의어(들): Natural Red 4
• 실험식(Hill 표기법): C₂₂H₂₀O₁₃
• CAS Number: 1260-17-9
• Molecular Weight: 492.39
• 색상 지수 번호: 75470
• Beilstein: 71651
• EC Number: 215-023-3
• MDL number: MFCD00167028
• UNSPSC 코드: 12171500
• PubChem Substance ID: 24853740
• NACRES: NA.47

속성

• Quality Level: 100
• 분석: ≥90% (HPLC)
• 양식: powder
• 광학 활성: [α]20/D +3.1°, c = 1 in H₂O
• 색상: purple to red-purple; red to very dark red
• mp: 136 °C
• solubility: 1 N acetic acid: 1%, clear to hazy, red
• λmax: 495 nm
• ε (흡광계수): ≥13000 at 222-228 nm in ethanol at 0.03 g/L; ≥18000 at 275-281 nm in ethanol at 0.03 g/L
• 응용 분야: diagnostic assay manufacturing; hematology; histology
• 저장 온도: room temp
• SMILES string: Cc1c(C(O)=O)c(O)cc2C(=O)c3c(O)c(O)c([C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)c(O)c3C(=O)c12
• InChI: 1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34)/t7-,14-,19+,20-,21+/m1/s1
• InChI key: DGQLVPJVXFOQEV-JNVSTXMASA-N

설명

일반 설명

Carmine is a cochineal product usually furnished as an aluminum and calcium salt of carminic acid. Carminic acid is used for human-medical cell diagnosis and serves the purpose of the histological investigation of sample material of human origin. It is suitable for staining nuclei in histological sections. It is utilized in various staining methods including the procedure for detection of glycogen and mucous substances (Best′s carmine), for nuclear staining, or vital staining.

애플리케이션

Carminic acid (CI 75470) is used in Orth′s lithium carmine technique for nuclear staining, Best′s stain for glycogen, and Southgates′s mucicarmine method.

안전성 정보

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• 개인 보호 장비: Eyeshields, Gloves, type N95 (US)