Product Description
Name |
Cresol Purple |
Synonyms |
m-Cresol Purple |
|
Molecular Structure |
|
Molecular Formula |
C21H18O5S |
Molecular Weight |
382.43 |
CAS Registry Number |
2303-01-7 |
EINECS |
218-960-6 |
Chemical Property/Description:
Brown green fine crystalline powder, soluble in ethanol, glacial acetic acid and alkali solution, yellow solution in acetic acid, red purple in dilute lye, slightly soluble in water,Maximum absorption wavelength 579(371)nm.
Main Uses:
Used as an acid-base indicator, there are two discoloration ranges, the first discoloration range pH 1.2(red) ~ 2.8(yellow), the second discoloration range pH 7.4(yellow) ~ 9.0(purple).
The main use of Cresol Purple is as a REDOX indicator for fresh tissue staining (such as tumor, nerve tissue, Nysch granules, blood, etc.)
The alkaline solution is purple, the weakly acidic solution is yellow, and the strongly acidic solution is pink.
Cresol Purple is a kind of bright brown green fine crystalline powder, which is widely used in the field of biological dyeing because of its excellent dyeing properties. It has a strong affinity and can bind the DNA molecules in the nucleus well, making it show a specific color during the dyeing process, so as to display and identify the structure of the nucleus and chromosomes.
Detailed Photos





FAQ
FAQ
Question 1: Can I get samples?
Answer: Yes,you can get free samples of our most products,
while the courier cost will be borne by the buyers.
Question 2: What's your MOQ?
Answer: For a express delivery order,the MOQ is usually 100 g~1 kg;
for an air transport order or sea delivery order ,the MOQ is usually 25 kgs.
Question 3: What's your delivery time?
Answer:
Orders shipped by express delivery,the delivery time is usually 5~7 working days;
Orders shipped by air transport,usually around 7~10 working days;
Orders shipped by sea , usually around 2~3 working weeks.
Question 4: What are the different payment methods?
Answer: We usually accept T/T, L/C and Western Union.
Question 5: How do you treat quality complaint?
We take quality very seriously, it is one of the founding principles of our business.
If the quality problem actually exists, we will replace with qualified goods or refund the money.