High Quality 3- (3-tosylureido) Phenyl 4-Methylbenzenesulfonate CAS: 232938-43-1

• CAS No.: 232938-43-1
• Formula: C21h20n2o6s2
• EINECS: 432-520-2
• Type: Dyestuff Intermediates
• Appearance: Powder
• Quality: Industrial
• Model NO.: 99%
• Colour: White
• Specification: 99% min
• Trademark: SWC
• Origin: China
• Production Capacity: 20mts/Month

Product Description

Product Name: 3-(3-tosylureido)phenyl 4-methylbenzenesulfonate
Brand SW-201

Identification
Synonyms   3-({[4-methylphenly]sulfonyl}carbamoyl) }amino)phenyl 4-methylbenzenesulfonate

Molecular Formula C₂₁H₂₀N₂O₆S₂
Molecular Weight 460.519
CAS Number 232938-43-1
EC Number 432-520-2
Structure


Properties
Appearance  White to off-white powder
Melting point 155-169ºC
Solubility 34.7mg/L (20ºC, PH=5)
Stability Stable under ordinary conditions.

Specification

Item	Specification
Appearance	White to off-white powder
Purity (HPLC)	≥96.5%
Melting point	≥162.0 ºC
Moisture	≤0.5%
Ash content	≤0.5%

Application
SW-201, is a proprietary color developer that was developed as an alternative to BPA and phenolic containing color developers used in thermal print paper. SW-201 is not only an alternative to BPA but is also nonphenolic.

Packing and Storage
Packing In 20kgs net bag
Storage  Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Safety Information
UN3077 Class9 PGIII
Detailed safety information is contained in each Material Safety Data Sheet, which can be obtained from our company.


 

Frequently Asked Questions

Q1: May I get one sample before placing order?

For those high value products, you just need to freight and certain product cost. When we both cooperate for 

some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you. 

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) 

or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,

shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on 

where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement. 

Q5: How can you guarantee the goods you offer is qualified? 
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide 

for you all are qualified. We will have goods tested and provide COA before delivery for sure.