推荐：Neutral red (C.I. 50040)@2024已更新

别名:Neutral red (C.I. 50040)

Empirical Formula (Hill Notation):C15H17ClN4

CAS号:553-24-2

分子量:288.78

MDL编号:MFCD00012651

EC索引号:209-035-8

属性
质量水平
200

形式
solid

组成
dye content, ≥75% spectrophotometric assay

缺失
≤18% loss on drying, 110°C

pH值（酸碱度）
3.1 (20 °C, 10 g/L in H2O)

溶解性
50 g/L

堆积密度
350?500 kg/m3

Amax
452-455 nm (buffer pH 8.0)
514-519 nm (buffer pH 6.8)

λmax
540-543 nm at 50% in ethanol

储存温度
2-30°C

InChI
1S/C15H16N4.ClH/c1-9-6-13-15(8-11(9)16)18-14-7-10(19(2)3)4-5-12(14)17-13;/h4-8H,16H2,1-3H3;1H

InChI key
PGSADBUBUOPOJS-UHFFFAOYSA-N

说明
分析说明
Dye content (spectrophotometrically): ≥ 75 %
Identity (UV/VIS-Spectrum): passes test
Transition range: pH 6.8 - pH 8.0 Violet red - orange yellow
Absorption maximum λmax. (ethanol 50 %): 540 - 543 nm
Absorption maximum λ 1 (buffer pH?6.8): 514 - 519 nm
Absorption maximum λ 2 (buffer pH?8.0): 452 - 455 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005?g/l; ethanol 50?%): 1180 - 1610
Spec. Absorptivity A 1%/1cm (λ1max; 0.015 g/l; buffer pH 6.8; calc. on dried substances): 425 - 575
Spec. Absorptivity A 1%/1cm (λ2max; 0.015 g/l; buffer pH?8.0; calc. on dried substances): 395 - 535
TLC-Test: passes test
Loss on drying (110?°C): ≤ 18 %
Suitability for microbiology: passes test

安全信息
储存分类代码
11 - Combustible Solids

WGK
WGK 3

闪点(°F)
Not applicable

闪点(°C)
Not applicable