Alizarin red S mono sodiumsalt (C.I. 58005)

产品名称：

130-22-3
Alizarin red S mono sodiumsalt (C.I. 58005)

产品介绍：

产品说明

一般描述

for analysis and indicator

分析说明

Identity (UV/VIS-Spectrum): passes test
1st transition range: pH 4.3 - pH 6.3 Lightly yellow - pink
2nd transition range: pH 9.4 - pH 12.0 Brown orange - violet
Absorption maximum λ 1 (buffer pH 4.3): 418 - 424 nm
Absorption maximum λ 2 (buffer pH 6.3): 510 - 517 nm
Absorption maximum λ 3 (buffer pH 9.4): 444 - 450 nm
Absorption maximum λ 4 (buffer pH 12.0): 554 - 558 nm
Spec. Absorptivity A 1%/1cm (λ1_max; 0.01 g/l; buffer pH 4.3; calc. on dried substance): 135 - 180
Spec. Absorptivity A 1%/1cm (λ2_max; 0.01 g/l; buffer pH 6.3; calc. on dried substance): 145 - 210
Spec. Absorptivity A 1%/1cm (λ3_max; 0.01 g/l; buffer pH 9.4; calc. on dried substance): 170 - 230
Spec. Absorptivity A 1%/1cm (λ4_max; 0.01 g/l; buffer pH 12.0; calc. on dried substance): 340 - 520
Loss on drying (110 °C): ≤ 10 %

基本信息

经验(实验)分子式	C₁₄H₇NaO₇S
分子量	342.26
MDL编号	MFCD00013049
EC索引号	204-981-8

产品性质

质量水平	200
缺失	≤10% loss on drying, 110℃
视觉变色范围	4.3 - 6.3, yellow to pink 9.4 - 12.0, brown-orange to violet
储存温度	2-30℃
InChI	1S/C14H8O7S.Na/c15-11-6-3-1-2-4-7(6)12(16)10-8(11)5-9(22(19,20)21)13(17)14(10)18;/h1-5,17-18H,(H,19,20,21);/q;+1/p-1
InChI key	HFVAFDPGUJEFBQ-UHFFFAOYSA-M

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