36290-04-7 Usage
General Description
Sodium salt of polynaphthalene sulphonic acid, also known as Sodium polynaphthalene sulfonate, is a chemical additive widely used in industries for its superplasticizing properties. It has the ability to reduce the amount of water necessary in construction and concrete applications, making the resulting product more durable and resistant. As a high-efficiency water reducer, it contributes towards substantial cost savings. Apart from construction, it also has applications in the dye industry as a dispersant. While usually safe to handle, it may cause irritation to skin, eyes, and if ingested, proper precautions should be followed. It is soluble in water, and often comes in a yellow-brown powder or liquid form.
Check Digit Verification of cas no
The CAS Registry Mumber 36290-04-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,6,2,9 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 36290-04:
(7*3)+(6*6)+(5*2)+(4*9)+(3*0)+(2*0)+(1*4)=107
107 % 10 = 7
So 36290-04-7 is a valid CAS Registry Number.
InChI:InChI=1/C21H16O6S2.2Na/c22-28(23,24)18-9-10-20-15(4-2-6-17(20)12-18)11-16-5-1-3-14-7-8-19(13-21(14)16)29(25,26)27;;/h1-10,12-13H,11H2,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2