27150

Chromotropic acid disodium salt dihydrate

puriss. p.a., ACS reagent, for the detection of Ag, ClO₃^-, Cr, Hg, NO₂^-, NO₃^2-, Ti, ≥98.0%

• 동의어(들): 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt
• Linear Formula: (HO)₂C₁₀H₄(SO₃Na)₂·2H₂O
• CAS Number: 5808-22-0
• Molecular Weight: 400.29
• EC Number: 204-972-9
• MDL number: MFCD00150612
• UNSPSC 코드: 12352100
• PubChem Substance ID: 57648221
• NACRES: NA.21

속성

• Grade: ACS reagent
• Quality Level: 200
• grade: puriss. p.a.
• 분석: ≥98.0%
• 형태: powder
• 품질: for the detection of Ag, ClO₃^-, Cr, Hg, NO₂^-, NO₃^2-, Ti
• 기술: UV/Vis spectroscopy: suitable
• 불순물: 8-10% water
• 색상: off-white
• mp: >300 °C (lit.)
• SMILES string: O.O.[Na+].[Na+].Oc1cc(cc2cc(cc(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C10H8O8S2.2Na.2H2O/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;;2*1H2/q;2*+1;;/p-2
• InChI key: QUEAKWJKJBFNEG-UHFFFAOYSA-L

설명

일반 설명

Chromotropic acid disodium salt dihydrate is a useful analytical reagent widely used in analytical chemistry for fluorometric determinations.

애플리케이션

Chromotropic acid disodium salt dihydrate may be employed as a chromogenic reagent in the following studies:      

• Quantification of dipyrone in various pharmaceutical preparations.   
• Highly sensitive method for rapid determination of beryllium by a fluorimetric method.

안전성 정보

• 픽토그램: GHS07
• 신호어: Warning
• 유해 및 위험 성명서: H315,H319,H335
• 예방조치 성명서: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• 표적 기관: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable
• 개인 보호 장비: dust mask type N95 (US), Eyeshields, Gloves