High Quality O-Cresol Red Sodium Salt with 99% Purity CAS 62625-29-0

1. Basic information

English name: o-Cresolsulphonephthalein sodium salt、Cresol Red Sodium Salt

Molecular formula: C ₂₁ H ₁₇ NaO ₅ S

Molecular weight: 404.41

2. Physical properties

Appearance: Generally red brown powder or crystalline powder

Melting point: 250 ° C (decomposition)

Solubility: soluble in water

Chemical properties: It has some typical chemical properties of phenols and sulfates, and undergoes color changes at different pH environments. It usually appears yellow in acidic solutions and purple red in alkaline solutions.

3. Purpose

Acid base indicator: In chemical experiments and analysis, it is often used as an acid base indicator to indicate changes in the acidity or alkalinity of a solution, and its color change range is generally between pH 7.2-8.8.

Biological staining agents: In the fields of biology and medicine, they can be used to stain cells or tissues for observation and study under a microscope.

4. Safety information

Dangerous goods symbol: Xi (irritant)

Risk term: May be irritating to eyes, skin, and respiratory tract.

Safety term: S22 means do not inhale dust; S24/25 means avoid contact with skin and eyes.

What are the preparation methods for cresol red sodium salt? What are the applications of cresol red sodium salt in medicine? What is the stability of cresol red sodium salt?

Packaging Details: 25 kg/bag or as your requirement.
Port: Tianjin/ Qingdao/ Shanghai, etc.
We can ship the samples by air.
Lead Time: Within 2~3days Shipment after receiving the advance payment or original L/C.

XI'AN YI HANG CHEMICAL CO.,LTD was founded in 2002, located in xian City, shannxi, China. We are the high-tech chemical enterprise which specialized in researching, manufacturing and trading for chemical raw materials ,our products widely used in paints, textile, rubber, leather, plastic and so on.

With many years development and operation,we have become the group company for chemical production,we have the owned factory for produce stable quality products with high performance, and the advanced lab to ensure the best quality of each batch products.

We have our strictly quality control in our production, and we have passed ISO9001:2015 Quality Management System Certification and ISO14001 Environment Management System Certification.

Our main products includes Titanium Dioxide, Lithopone, Iron Oxide series, Chrome Oxide Green, Zinc Oxide, Carbon Black, STPP, SHMP, Oxalic Acid, DOP, SLES, and so on.

Q1: Are you manufacturer or trading company?

A1:Manufacturer.

Q2: Can I get some sample?
A2: Yes, usually 10-25g sample for free.

Q3: Is there a discount?
A3: Of course, welcome to contact us. Price would be different based on different quantity. For bulk
quantity, we will have discount for you.

Q4: How long for production and delivery?
A4: Most products we have in stock, sent time:Within 1-3 business days after received payment. Customized products further discussed.

Q5: Do you accept ODM or OEM service?
A5: Yes,we accept ODM and OEM services, ranges: Soft gel, Capsule, Tablet, Sachet, Granule,Private Label service, etc. Please contact us to design your own brand product.

Q6: How to deliver the goods?
A6: ≤50kg ship by FedEx or DHL etc, ≥50kg ship by Air, ≥100kg can be shipped by Sea. If you have special request on delivery, please contact us.

Q7: How to start orders or make payments?
A7:There are two ways for you to confirm order:
1. Proforma invoice with our company bank details will be sent to you once the order confirmed by Email. Pls arrange payment by TT. Goods will be sent after received payment within 1-3 business days.
2. Trade assurance order will be drafted for you through ALIBABA. Pls confirm and pay through Alibaba. Goods will be sent after received payment within 1-3 business days.