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Tolonium chloride CAS 92-31-9

Tolonium chloride CAS 92-31-9

 

  • 产品名称:

    Tolonium chloride CAS 92-31-9

  • 年级:

    Pharmaceutical grade/Cosmetic grade

  • 特性:

    blue powder

  • 包装:

    25公斤/桶

  • 最小起订量:

    1 kilo

  • 贮存:阴凉干燥处
  • 保质期:2年


细节

标签

产品描述

Toluidine blue is an organic dye. It is a cyan to blue crystalline powder that is soluble in water and organic solvents.

Nature:
1. Appearance: toluidine blue is blue crystalline powder.
2. Solubility: It is soluble in organic solvents such as water, alcohol, ether and benzene, showing a blue solution.
3. pH range: toluidine blue appears red under acidic conditions of pH 3-4, and yellow under alkaline conditions of pH 11-12.
4. Easy oxidation: toluidine blue is easily oxidized by oxygen in the air to produce other compounds.

应用

Purpose:
1. Chemical indicator: toluidine blue is commonly used as an indicator in chemical laboratories for determining pH, reducing agent concentration, and precipitation and precipitation of metal ions.
2. Dye: Toluidine blue can be used to dye textiles, leather and paper and other materials, giving them a vivid blue color.

优点

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规格
Molecular Formula C15H16ClN3S
Molar Mass 305.82
熔点 >200℃
水溶性 3.82 g/100 mL
Solubility Water:1mg/ml
外貌 Powder
Color Dark green to black
Maximum wavelength(λmax) ['626 nm, 630 nm']
Merck 14,9520
pKa 2.4, 11.6(at 25℃)
PH 2.8 (H2O, 25℃)
Storage Condition Inert atmosphere,Room Temperature
稳定 Stable. Incompatible with strong oxidizing agents.
MDL MFCD00011934
Physical and Chemical Properties Alkaline blue 17 is dark green or black-gray powder with a bronze luster. Soluble in water (3.82g/100ml), blue-purple solution, slightly soluble in ethanol (0.57g/100ml), blue, slightly soluble in chloroform, almost insoluble in ether.
使用 This product is for scientific research only and shall not be used for other purposes.

 

运输和付款

常问问题

1.你们是工厂还是贸易公司?
我们是一家工贸一体的公司,提供一站式服务。可以接受OEM。

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免费样品。样品的运费需由您支付。

3.您有任何与质量控制相关的证书吗?
ISO 9001:2008 认证确保质量。

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请告知我们您所需要的产品类型,订购数量,地址及具体要求,我们将及时为您提供报价。

5. 您喜欢哪种付款方式?接受哪种付款条件?
接受的交货条款:FOB、CFR、CIF、EXW;
接受的付款货币:美元;
Accepted Payment Type: T/T,Western Union; Paypal,BTC
使用语言:英语。

 

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