High Quality METHYLTHYMOL BLUE CAS 1945-77-3

METHYLTHYMOL BLUE CAS 1945-77-3 Supplier in China 

CAS No.: 1945-77-3

C37H40N2Na4O13S=844.74

High grade

Content: ≥ 60.0%

PH range: 6.0 (yellow) ~ 7.6 (blue)

Description: dark purple to purple black powder. Soluble in water, insoluble in absolute ethanol and ether. The aqueous solution is blue, the acidic solution is yellow, the pH is 6.5-8.5 is light blue, 10.5-11.6 is gray, and above 12.7 is dark blue. There are also three sodium salt and five sodium salt

Purpose: biochemical research. Complex indicator. Metal titration indicator. The color reagents of Al3 +, Ca2 +, Mg2 +, Hf4 +, NBO and Ti4 + were determined by spectrophotometry, and the metal indicators of Zr4 +, Bi3 +, Mg2 +, SC3 +, Cu2 + were determined by titration.

[Storage] Stored in a clean, cool and dry area; keep away from strong, direct light.

[Shelf Life] 2 years when properly stored.
[Packing]
25kg drum or 200kg drum 

[Delivery] 5 working days after payment.
Shipping
1. Preferentially DHL or FedEx for quantity less than 50KG; Air shipping for 100KG above;
Sea shipping for quantity over 500KG.
2. For customers from Russia, Mexico, Turkey, Slovenia, Romania, etc, before placing an order,
please kindly confirm if you can make clearance when goods reach your customs. 

6.FAQ

1. quality
our products meet msds safe standard and we have iso and other certificate so yan can get high quality products from our company.
2. price
we are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.
3.packing
we can do according to the customers' request.
4.transport
ems,dhl, tnt, ups ,fedex, by air, by sea
dhl express, fedex and ems for quantity less than 50kg, usually called as ddu service;
sea shipping for quantity over 500kg; and air shipping is available for 50kg above;
for high value products, please select air shipping and dhl express for safe;
5.service
we offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes us able to offer you one-stop service from the order to the products transported to your hand.
we will try our best to satisfied you.
1. tailor-made for every customers.
2. third-party test for the products you demand.
3. test your counter-samples and produce them for you.
4. best discount for old customers.