1.01306

Naphthol green B (C.I. 10020)

pH indicator

• 同義詞: Naphthol green B (C.I. 10020), Green acid 1
• 經驗公式（希爾表示法）: C₃₀H₁₅FeN₃Na₃O₁₅S₃
• CAS號碼: 19381-50-1
• 分子量：: 878.46
• MDL號碼: MFCD00003886
• 分類程式碼代碼: 12352107
• 酶委員會索引編號: 243-010-2
• NACRES: NA.21

屬性

• product name: Naphthol green B (C.I. 10020), indicator
• 品質等級: 200
• 形狀: solid
• 損耗: ≤10% loss on drying, 105°C
• pH值: 9.3 (20 °C, 10 g/L in H₂O)
• 溶解度: 160 g/L
• 體積密度: 620 kg/m³
• λmax: 710-720 nm in water
• 儲存溫度: 2-30°C

描述

分析報告

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 %

安全資訊

• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable