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等級
ACS reagent
形狀
powder
成份
Dye content, 85%
技術
titration: suitable
顏色
orange
pH值
3.0-4.4, pink to yellow
visual transition interval
3.2-4.4, red to yellow
mp
>300 °C
λmax
505 nm
應用
diagnostic assay manufacturing
hematology
histology
儲存溫度
room temp
SMILES 字串
[Na+].CN(C)c1ccc(cc1)\N=N\c2ccc(cc2)S([O-])(=O)=O
InChI
1S/C14H15N3O3S.Na/c1-17(2)13-7-3-11(4-8-13)15-16-12-5-9-14(10-6-12)21(18,19)20;/h3-10H,1-2H3,(H,18,19,20);/q;+1/p-1/b16-15+;
InChI 密鑰
STZCRXQWRGQSJD-GEEYTBSJSA-M
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一般說明
甲基橙（C.I.13025）是一种对二甲氨基偶氮苯磺酸的钠盐。它是一种橙色的合成染料，颜色会随着溶液的pH值而变化。在酸性溶液中呈红色，在碱性溶液中呈黄色。
應用
甲基橙可用作细胞汁液的
- pH指示剂
- 在染色花粉管时与结晶紫一起对比染色
- 多色组织学染色方案的组成部分指示剂，
- 例如在草酸和丙二酸的检测中
- 在其他生物医学应用中使用，包括用于薄膜剂量计和溴离子的检测试剂。
生化／生理作用
甲基橙是一种偶氮染料，可用作pH指示剂。
訊號詞
Danger
危險聲明
危險分類
Acute Tox. 3 Oral
儲存類別代碼
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Somayeh Mirsadeghi et al.
Journal of environmental management, 270, 110831-110831 (2020-06-09)
A simple biogenic approach for synthesis of Fe3O4/Au nanocomposite with 31 nm size using aqueous extract of Carum carvi L. seeds has been reported. Phytochemicals of Carum carvi L. seeds extract play three roles, including reducing, capping, and stabilizing agents during
Encapsulation of methyl orange pH-indicator into a sol-gel matrix.
Zaggout FR, et al.
Materials Letters, 59, 2928-2931 (2005)
Characterization of methyl orange and its photocatalytic degradation products by HPLC/UV?VIS diode array and atmospheric pressure ionization quadrupole ion trap mass spectrometry.
Baiocchi C, et al.
International Journal of Mass Spectrometry, 214, 247-256 (2002)
Jing Cao et al.
Journal of hazardous materials, 239-240, 316-324 (2012-09-29)
Novel p-n junction photocatalysts BiOI/(BiO)2CO3 with different contents of BiOI were in situ synthesized by etching (BiO)2CO3 precursor with hydroiodic acid (HI) solution. X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectrometry (FT-IR), energy-dispersive spectroscopy (EDS)
P Kumar et al.
Colloids and surfaces. B, Biointerfaces, 103, 658-661 (2012-12-26)
In this paper, we report on biosynthesis of silver nanoparticles using Ulva lactuca (seaweed) at room temperature along with photocatalytic degradation of methyl orange dye. UV spectral analysis showed peak at 430 nm with special reference to the excitation of
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