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甲基红,Methyl Red;indicator ACS,Reag. Ph Eur

别名:甲红;烷红;甲烷红;2-[[4-(二甲基氨基)苯基]偶氮基]苯甲酸;4-二甲氨基偶氮苯-2′-羧酸;酸性红 2; 2-(4-Dimethylaminophenylazo)benzoic acid, 4-Dimethylaminoazobenzene-2′-carboxylic acid, Acid Red 2

CAS号 493-52-7 经验分子式(希尔表示法) C15H15N3O2 分子量 269.30 MDL number MFCD00002425 EC Index Number 207-776-1
货号(SKU): 1.06076
CAS号: 493-52-7
MDL号: MFCD00002425
增值税发票 √ 免费货运 [顺丰 联邦] √
¥816.09

产品描述

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Appearance: Red to red-violet powder, eventually with granular parts.
Clarity of solution (1 g/l; ethanol): passes test
Melting point (capillary method, temperatur measerment in the heating block): 179 - 182 °C
Transition range: pH 4.4 - pH 6.0 Red - yellow
Absorption maximum (buffer pH 4.5): 523 - 526 nm
Absorption maximum (buffer pH 6.2): 427 - 437 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 4.5; calculated on anhydrous substance): 1350 - 1500
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 6.2; calculated on anhydrous substance): 700 - 800
Transition range (according to ACS): passes test
Loss on drying (110 °C): ≤ 5 %

性质

Quality Level200
gradeACS reagent
Agency/Methodreag. Ph. Eur.
mp178-182 °C
bulk density300‑500 kg/m3
InChI1S/C15H15N3O2/c1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20/h3-10H,1-2H3,(H,19,20)
InChI keyCEQFOVLGLXCDCX-UHFFFAOYSA-N
storage conditionsStore at +5°C to +30°C.


安全信息

风险声明 (欧洲) 51/53
安全声明 (欧洲) 61
商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 190 | 欧洲Eur. ≥ 66 | 東京Tokyo ≥ 82 | 香港与北京 ≥ 55
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