1.01306

Naphthol green B (C.I. 10020)

pH indicator

• 동의어(들): Naphthol green B (C.I. 10020), Green acid 1
• 실험식(Hill 표기법): C₃₀H₁₅FeN₃Na₃O₁₅S₃
• CAS Number: 19381-50-1
• Molecular Weight: 878.46
• MDL number: MFCD00003886
• UNSPSC 코드: 12352107
• EC 인덱스 번호: 243-010-2
• NACRES: NA.21

속성

• product name: Naphthol green B (C.I. 10020), indicator
• Quality Level: 200
• 형태: solid
• 손실: ≤10% loss on drying, 105°C
• pH: 9.3 (20 °C, 10 g/L in H₂O)
• solubility: 160 g/L
• 벌크 밀도: 620 kg/m³
• λmax: 710-720 nm in water
• 저장 온도: 2-30°C

설명

분석 메모

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max. (water): 710 - 720 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.05g/l; water; calc. on dried substance): ≥ 100
Loss on Drying (105°C): ≤ 10 %

안전성 정보

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable