p-Toluenesulfonic acid

2,2-Bis(hydroxymethyl)propionic acid
2,2-Bis(hydroxymethyl)propionic acid


p-Toluenesulfonic acid paramete

CAS No.: CAS 104-15-4
Place of Origin: Shandong, China
Purity: 99% min
Model Number: ZRX- 104-15-4
Appearance: White Crystalline Powder
Purity(on a dry basis): 99%
Boiling point: 116 °C
Water solubility: soluble
Density: 1.07 g/cm3
Melting point: 106~107℃
Other Names: p-Toluenesulfonic acid
EINECS No.: 203-180-0
Type: Dyestuff Intermediates
Brand Name: Look Chemical
Application: mediate for pharmacy and organic complex
APPEARANCE: White Crystalline Powder
Form: powder
Refractive index: 1.3825-1.3845
Packing: 25kg/drum
Flash point: 41 °C


Item Specifications Results
Appearance White crystals, slowly change to yellowish clear liquid if heated White crystals, slowly change to yellowish clear liquid if heated
Purity ≥99% 99.34%
Melting point ≥24℃ 24.8℃
Moisture ≤0.3% 0.28%
p-toluenesulfonic acid ≤0.2% 0.12%
PTSC ≤0.3% 0.23%
Ash ≤0.05% 0.02%
Conclusion The results conforms with enterprise standards


1.Used as a chemical reagent, also used in dyes, organic synthesis

2.Used as an intermediate for medicines (such as doxycycline), pesticides (such as dicofol), dyes, etc. Also used in detergents, plastics, paints, etc.

3.Used in medicine, pesticides, dyes and detergents, also used in plastics and printing coatings

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Q1: Can I get some samples?
A:   Yes, we can supply the free sample, but the shipping cost be paid by customers.
Q2:  How to start orders or make payments?
A :  PI will be sent first after confirmation of order,enclosed our bank information.Payment  by  T/T, Western Union LC,Alibaba trade assurance ,Moneygram.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: How about delivery leadtime?
A :  Delivery lead time: About 3-5 days after payment confirmed.(Chinese holiday not included)
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: How to contact us ?
A :  You can chat with us by Trademanager,MSN&Skype Online. You can choose your interested products and send inquiry to us. You can dial our telephone directly, you will get our reply. Send Email to us.
Q7: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.


HazardClass: 8


H315: Causes skin irritation [Warning Skin corrosion/irritation]

H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]


Keep in a cool, dry, dark location in a tightly sealed container or cylinder.

Keep away from incompatible materials, ignition sources and untrained individuals.

Secure and label area. Protect containers/cylinders from physical damage.


We have Professional shipping agent, based on customers ' demand for transport.

By express :FEDEX,DHL,EMS ,UPS,TNT ect.

By SEA and By AIR.


Package: 25kg net bag, 50lb net bag, 1000kg net bag with pallet.

Delivery detail

within 3 days when get the payment.

p-Toluenesulfonic acid picture

Packaging and shipping

Honor Certificate

Professional team