1.02498

Chromotropic acid disodium salt dihydrate

for analysis ACS,Reag. Ph Eur

• 别名: Chromotropic acid disodium salt dihydrate, 4,5-Dihydroxy-2,7-naphthalene disulfonic acid sodium salt
• 经验公式（希尔记法）: C₁₀H₆Na₂O₈S₂ · 2H₂O
• CAS号: 5808-22-0
• 分子量: 400.29
• MDL號碼: MFCD00150612
• 分類程式碼代碼: 12352107
• 酶委員會索引編號: 204-972-9
• NACRES: NA.21

属性

• 等級: ACS reagent
• 品質等級: 200
• agency: reag. Ph. Eur.
• 化驗: ≥98.5% (acidimetric)
• 形狀: solid
• 成份: Water, 8.5-9.5% Karl Fischer
• 顏色: gray-white to brownish white
• pH值: 3.6 (20 °C, 10 g/L in H₂O)
• mp: >300 °C
• 體積密度: 780 kg/m³
• 儲存溫度: 2-30°C
• InChI: 1S/C10H8O8S2/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)/p-2
• InChI 密鑰: HLVXFWDLRHCZEI-UHFFFAOYSA-L

说明

聯結

Replaces: DX1460-1

分析報告

Appearance: greyish white to brownish white powder
Assay (acidimetric, calc. on anhydrous substance): ≥ 98.5 %
Identity (IR-spectrum): passes test
Appearance of solution (5 %; water): passes test
Water (according to Karl Fischer): 8.5 - 9.5 %
Sensitivity (of formaldehyde): passes test
Sensitivity (of nitrate): passes test

安全信息

• 象形圖: GHS07
• 訊號詞: Warning
• 危險聲明: H315 - H319 - H335
• 防範說明: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• 危險分類: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• 標靶器官: Respiratory system
• 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