Factory Supply Bromocresol Green CAS 76-60-8 for Acid-Base Indicator

• CAS No.: 76-60-8
• Formula: C21h14br4o5s
• EINECS: 200-972-8
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Industrial
• Model NO.: JLWSY20240309
• Colour: Yellow
• Product Name: Bromocresol Green
• Ethanol Dissolution Test: Pass
• Burning Residue: 0.25
• Loss on Drying: 3.0
• Transport Package: 25kg/Drum
• Trademark: UNILONG
• Origin: China
• Production Capacity: 500kg/Month

Product Description

Bromocresol Green with cas 76-60-8

Quick Description

Bromocresol green is slightly soluble in water and soluble in ethanol, ether and benzene. Very sensitive to alkali, it turns a special blue-green color when encountering alkaline aqueous solutions. Bromocresol green can be used as an indicator, appearing yellow at pH 3.8 and blue-green at pH 5.4.

COA

Items	Specification
PH(transition interval)	3.8(yellow green)-5.4(blue)
Maximum absorption wavelength (nm) λ1(PH 3.8) λ2 (PH 5.4)	440~445 615~618
Mass absorption coefficient, L/cm · g α1(λ1PH 3.8,dry sample) α2(λ2PH 5.4,dry sample)	24~28 53~58
Ethanol dissolution test	pass
Burning residue (calculated as sulfate)	≤0.25
Loss on drying	≤3.0

Application
1.Cell staining agent
2.Acid-base indicator, pH color change range 3.8 (yellow) to 5.4 (blue-green)
3.Acid base indicator. Its sodium salt is commonly used in colorimetric determination of acidity and alkalinity. Its sodium salt solution is used as a colorimetric agent for measuring pH value by spectrophotometry. Used as a reagent for thin layer chromatography to determine aliphatic hydroxyacids and alkaloids, and as an extraction and separation agent for photometric determination of quaternary ammonium cations.

Packaging & Shipping

25kgs/bag,20tons/20'container

Company Profile

Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials. 
With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, skin care, daily care chemical materials.

Our Advantages

FAQ

Q1: Are you trading company or manufacturer?
A1: We are chemical factory in China. So we can provide wholesale price.

Q2: How can I get the samples?
A2: We can provide you sample for our existing products, the lead time is about 1-5 days.You just need to pay the sample

Q3: Can you provide relevant documents?
A3: Of course. We can provide Commercial Invoice, Packing List, Bill of loading, COA and Origin certificate.

Q4: Do you accept third party inspection?
A4: Yes.we do.

Q5: How long is your delivery time?
A5: Generally it is with 7 days if the goods are in stock. According to quantity your required,the delivery time may slightly change.

Q6: What's your terms of payment?
A6: We can accept various payment methods, L/C, T/T, Paypal, Western Union etc.

Q7: Can your company accept the special requirements of your customers?
A7: Of course, we can.