CAS 19329-67-0 Semixylenol orange AR As complexometric indicator for the titration of iron aluminum lead and thorium etc

1. Basic information

Chinese name: Half Xylenol Orange.

English name: Semixylenol orange。

Chinese alias: Half xylenol orange yellow, 3- (N, N-di (carboxymethyl) aminomethyl) o-cresol sulfophthalein.

CAS number: 19329-67-0.

Molecular formula: C ₂₆ H ₂₅ NO ₉ S, and the molecular formula of its sodium salt is C ₂₄ H ₂ 3 NNA ₂ O ₉ S.

Molecular weight: 527.54, the molecular weight of its sodium salt is 547.49.

2. Physical and chemical properties

Appearance: Orange yellow powder, with its sodium salt in orange red color.

Solubility: soluble in water, with a reddish purple color in aqueous solution, insoluble in anhydrous ethanol.

Acidity and alkalinity: yellow or orange in acidic solutions, red in alkaline solutions.

Other physical constants: density 1.502 ± 0.06g/cm ³, boiling point 741.7 ± 60.0 ° C, flash point 402.3 ° C, refractive index 1.675, vapor pressure 4.24E-23mmHg at 25 ° C.

3. Purpose

In the field of analytical chemistry, it is an important chelating indicator used for titrating metal ions such as iron, aluminum, lead, and thorium, as well as for photometric determination of bismuth, zirconium, hafnium, and thorium.

Industrial field: In the electroplating industry, it is used to monitor and control the oxidation-reduction potential in the plating solution, ensuring the stability of the electroplating process and the quality of the coating; In the metallurgical industry, it can be used to detect and control redox reactions in metal solutions.

Environmental monitoring field: used to monitor the oxidation-reduction potential in water quality, evaluate the self purification capacity and pollution level of water bodies.

Other fields: In the dye industry, it is one of the important dye raw materials; In the field of medicine, it is used as an intermediate for drug synthesis; In the field of pesticides, it is used for the production of herbicides, insecticides, etc; In the field of plastics, it is used as a stabilizer and plasticizer.

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.