中文別名: 中性紅 英文名稱: Neutral Red CAS號: 553-24-2 EINECS號: 209-035-8 等級: IND 含量: 99 中性紅
Neutral red
CAS號: 553-24-2
分子式: C15H17CIN4
分子量: 288.78
別名: 堿性紅5,3-氨基-7-二甲基氨基-2-甲基吩嗪鹽酸鹽
深綠色結(jié)晶性粉末。溶于水溶液呈紅色;溶于醇,溶液呈黃色并微帶熒光。溶解度為水4.0%,無水乙醇1.8%,乙二醇乙醚3.75%,乙二醇3.0%。幾乎不溶于二甲苯,其水溶液或乙醇溶液呈紅色。最大吸收波長(50%乙醇)553nm。半數(shù)致死量(大鼠,靜脈)112mg/kg。
熔點(diǎn): 290 °C Q/(HG)SJ 718-1996
項(xiàng)目ltem 指示劑級 (indicator (pH 6.8-8.0)) pH range 6.8 - 8.0, red to yellow 靈敏度試驗(yàn)Sensitivity 合格 醇溶解試驗(yàn)Solubility in alcohol 合格 灼燒殘?jiān)?以硫酸鹽計(jì))Ignition residue,% ≤ 2.0 品級Grade 細(xì)胞培養(yǎng)級 (for cell culture,≥90%(HPLC)) 外觀Appearance dark brown to black with red or green cast powder 紅外光譜Infrared spectrometry Conforms to Structure dye content(HPLC) ≥90.0% 水溶性solubility dark red solution at 10mg plus 1ml of water 碳carbon 56.1-62.4% 氮nitrogen 17.5-19.4% 細(xì)胞培養(yǎng)測試cell culture test pass ACS級 項(xiàng)目名稱 Item ACS Grade 澄清度試驗(yàn) Claroty of solution Passes test pH變色域 Visnal transition interva 6.8(red)-8.0(yellow) 品級Grade 生物染色級 (grade for the Biological Stain ) 外觀appearance dark green to black powder 紅外光譜infrared spectrum conforms to structure. 紫外可見光譜uv-visible spectrum C = 0.005 G/L IN ACIDIFIED 50% ETHANOL E(541 +/- 3 NM) = 23,000 (MINIMUM) E(274 +/- 3 NM) = 26,000 (MINIMUM) 生物染色試驗(yàn)biological stain passes staining tests 染料含量dye content ≥50.0% 水溶性solubility 1 mg/ml H2O; red to dark red or dark purple solution 酸堿指示劑,生物染色劑。pH 6.8(紅)-8.0(黃)。水、亞硝酸鹽和尿的堿度指示劑。組織化學(xué)中用于脂肪的水解指示劑。神經(jīng)細(xì)胞的尼爾(Nissl)小粒染色。與健那綠共用于血液體外活體染色。碘離子的光度測定。中性紅試紙的制備。 |
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