Bromocresol Purple Sodium Salt CAS 62625-30-3 Indicator Grade, Dye Content 90 %

Bromocresol Purple sodium salt CAS 62625-30-3 indicator grade, Dye content 90 %

Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.

FAQ
1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.
 
2: What's your MOQ?
A: We can have a discussion.
 
3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.
 
4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.
 
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
 
6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.

General description

Bromocresol Purple, also known as dibromo-o-cresolsulfonphthalein, is an acidic dye and belongs to the phthalein and sulphonphthalein dyes group. The dye color changes from yellow to violet at pH 5.2-6.8. The monosodium salt of the dye is 8% soluble in water and 2% in ethanol. Bromocresol Purple, under alkaline conditions, forms a hydrophilic, moderately sized dianion that is purple.

 

Product Name:	Bromocresol Purple sodium salt
Synonyms:	DIBROMO-O-CRESOLSULFONPHTHALEIN, SODIUM SALT;BROMCRESOL PURPLE;BROMCRESOL PURPLE, SODIUM SALT;BROMCRESOL PURPLE SODIUM SALT, WATER SOLUBLE;BROMOCRESOL PURPLE SODIUM SALT;BROMOCRESOL PURPLE, WATER SOLUBLE;5',5''-DIBROMO-O-CRESOLSULFONEPHTHALEIN, SODIUM SALT;5',5''-DIBROMO-O-CRESOLSULFONPHTHALEIN SODIUM SALT
CAS:	62625-30-3
MF:	C21H17Br2NaO5S
MW:	564.22
EINECS:	263-655-3
Product Categories:	Sulfonephthalein;Indicator (pH);Organics;Analytical Chemistry;pH Indicators
Mol File:	62625-30-3.mol

Melting point	255 °C (dec.)(lit.)
density	0.991 g/mL at 25 °C
storage temp.	Store at RT.
solubility	H2O: soluble
form	Powder
pka	6.3, 6.12(at 25℃)
color	Red-brown
PH Range	Yellow (5.2) to purple (6.8)
Water Solubility	soluble
λmax	585nm, 379nm
Major Application	Study properties of silicon dioxide films
CAS DataBase Reference	62625-30-3(CAS DataBase Reference)
EPA Substance Registry System	Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-methyl-, monosodium salt (62625-30-3)