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Factory Direct Sales Ptsa/P-Toluenesulfonic Acid CAS 104-15-4

17 Inquiries

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CAS No.:

104-15-4

Grade:

Pharmaceutical Grade

Content:

99.9%

Port:

Shanghai

Brand:

Packaging:

25kg/bag

Price valid (until):

2025-02-28

Contact Supplier

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Hebei Shunxing Import and Export Co.,Ltd

Company Type:

Trader

Location:

China

Qualification:

Main Products:

HPMC,Lithium Carbonate,Cellulose Acetate Tow,EVA resin,Terpene Resin,PP fiber

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Product Description
Seller Information
Inquiry History

Description

Product Description

Product Name:P-Toluene Sulfonic acid
Formula: C7H803S-H2O
Molecular weight:190.2
CAS:104-15-4.6192-52-5(Monohydrate)
UN No.2585
Appearance: White acicular crystal

P-toluenesulfonic acid is widely used in the synthesis of medicines, pesticides, stabilizers for polymerization reactions, and catalysts
for organic synthesis (esters, etc.). Also used as an intermediate and resin curing agent for medicines and coatings.
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Detailed Photos

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Product Parameters

Item	Specifications
Water	≤3.5%
Content %	≥95%
Free acid	≤2%
Fe assay	≤50ppm
Appearance	White crystal

Function

Medical for the synthesis, other important raw materials; in the organic chemical industry was widely used. In acrylics, textile auxiliaries, photographic films, polymerization stabilizers and organic synthesis (ester) catalyst; in the resin, paint, wood-based panels, casting, paint and other industries are widely used as a curing agent, and the fixed speed Fast, the film does not change color; but also an important source of synthetic ethoxyquin. In the pesticide synthesis industry is also widely used (dicofol) chloramine T, pigments; CLT acid.

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Packaging & Shipping

Packing
Polywoven bag, PE film inner lined. Net wt: 20kg/bag. We also can pack according to customers' requirements.

Storage and Transport
It should be stored in a cool, dry place, gently loading and discharging to prevent any damage to the packages, transport according to the ordinary chemical regulations.

Packaging & Shipping

20kg bag

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Packing	1kg/bag ,25kg/bag;25kg/drum; according to your requirements
Transit	Fedex, TNT,DHL,EMS,and so on.
Port	Shanghai/Tianjin/Dalian/Beijing/Xi'an
Lead Time	3-5 working days upon received the payment
For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea.

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Service:
We can make the packaging, customize the bag, design the label, and use the customer's own brand according to the customer's request. All the requirements of the customer will be done do our best.

Good service:
-All your messages and emails will be answered in 24 hours.
-Friendly communication and good after sales service.
-customized label/logo/packing service.

FAQ

Q1. How about your delivery time?
A: Generally, it will take 10 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q2: Can you give me a discount price?
A: Yes, you can, larger quantity, more favorable price.

Q3. Can you provide OEM service?
A: Yes, sure. Welcome to show us your design bag.

Q4. What is your sample policy?
A: For sample it is free, but the freight cost is on customer's side.

Q5: Do you have distributors in our country?
A: We are looking for distributors all over the world.

Basic Info

Product Name:

p-Toluenesulfonic acid

Other Name:

Benzenesulfonic acid,4-methyl-;4-Methylbenzenesulfonic acid;p-Methylbenzenesulfonic acid;Tosic acid;p-Methylphenylsulfonic acid;Toluenesulfonic acid;p-Toluenesulfonic acid;p-Tolylsulfonic acid;4-Toluenesulfonic acid;K-Cure 1040;Cyzac 4040;Nacure 1040;PTS 100;NSC 167068;NSC 2167;KC 1040;Dryer 900;TSA 95;Cat 51-53;Taycatox 300;C 250;AD 3302W;Methylbenzenesulfonic acid;4-Methylbenzene-1-sulfonic acid;Activator 100T3;Cycat 4040;KCG 3553;4-Methyl-benzensulfonic acid;p-Tsoh;PTS-M 7000;TsOH;Cycat 602;Aktivator 100 SR;Taycacure AC 700;Neocat C 4;Benzene,1-methyl-4-(sulfosulfonyl)-;1-Methyl-4-(sulfosulfonyl)benzene;Taycacure AC 707;402-47-1;51506-29-7;100901-72-2;114213-96-6;119314-18-0;126033-27-0;128739-80-0;144647-92-7;156627-46-2;185568-48-3;210357-81-6;227313-49-7;369371-25-5;613262-31-0;1023356-14-0

CAS No.:

104-15-4

UN No.:

2585

Molecular Formula:

C7H8O3S

InChIKeys:

InChIKey=JOXIMZWYDAKGHI-UHFFFAOYSA-N

Molecular Weight:

172.20200

Exact Mass:

172.20

EC Number:

203-180-0

UNII:

QGV5ZG5741

ICSC Number:

0773

NSC Number:

167068|2167

UN Number:

2584|2585

DSSTox ID:

DTXSID0026701

Color/Form:

MONOCLINIC LEAFLETS OR PRISMS

HScode:

2904909090

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

62.75000

XLogP3:

2.32250

Appearance:

White crystals

Density:

1.24 g/cm³

Melting Point:

106-107 °C

Boiling Point:

140 °C @ Press: 20 Torr

Flash Point:

41ºC

Refractive Index:

1.3825-1.3845

Water Solubility:

H2O: soluble

Storage Conditions:

Flammables area

Dissociation Constants:

-1.34

Experimental Properties:

HYGROSCOPIC|REPORTED AS CRYSTALLIZING WITH ONE WATER OR FOUR WATER MOLECULES

Air and Water Reactions:

Water soluble.

Reactive Group:

Acids, Strong Oxidizing

Reactivity Alerts:

Strong Oxidizing Agent

Reactivity Profile:

TOLUENE SULFONIC ACID, LIQUID, WITH MORE THAN 5% FREE SULFURIC ACID reacts exothermically with chemical bases (for example: amine, amides, and inorganic hydroxides). The reactions can generate dangerously large amounts of heat in small spaces. Dissolution in water or dilution of concentrated solutions with water may generate significant heat. Reacts with sodium hypochlorite to produce chlorine gas. Can react with active metals, including iron and aluminum, and also many less active metals, to dissolve the metal and liberate hydrogen and/or toxic gases. Can initiate possibly violent polymerization in certain alkenes such as allyl chloride. Reacts with cyanide salts and compounds to release gaseous hydrogen cyanide. Flammable and/or toxic gases are also often generated by reactions with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and weak or strong reducing agents. Additional gas-generating reactions may occur with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), and carbonates: the carbon dioxide gas from the last is nontoxic but the heat and spattering from the reaction can be troublesome. Can catalyze (increase the rate of) chemical reactions. May burn but not ignited readily. Incompatible with carbides, bromates, chlorates, fulminates, picrates, and powdered metals [Haz. Chem. Data 1966]. Produces highly toxic fumes of oxides of sulfur when heated to decomposition.

See More p-Toluenesulfonic acid Properties 

Hazard Identification

Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation
Prevention	P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Dry. Separated from strong bases and food and feedstuffs.

See More p-Toluenesulfonic acid Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
HPMC,Lithium Carbonate,Cellulose Acetate Tow,EVA resin,Terpene Resin,PP fiber

Location:
Building 4, Feicui Building, No. 366 Xinshi North Road, Qiaoxi District, Shijiazhuang City, Hebei Province

Payment Terms:
TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
7

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2024

Hebei Shunxing Import and Export Co., Ltd. distributes and wholesales best-selling chemical products in the consumer market, enjoying a high position among consumers. The company has established long-term and stable cooperative relationships with multiple retailers and agents. The company was founded in 2012 and has a sales history of over 10 years. There are around 160 employees. Hebei Shunxing Import and Export Co., Ltd. operates a complete range of chemical products at reasonable prices. Our company has strong strength, values credit, abides by contracts, and guarantees product quality. With the characteristics of diversified business and the principle of small profits and quick sales, we have gained the trust of more and more customers. In today's increasingly transparent product prices, our company has won the trust of our customers with its thoughtful service and excellent product quality, and has established a mutually beneficial cooperative relationship with them. The company will continue to make friends from all walks of life in an honest and mutually beneficial manner, warmly welcoming friends from all walks of life。
The company's main products are HPMC, PM, MDEA, LAS60%, Tween (R) 80, EDTA,white oil and so on.Most of them belong to general organic chemicals

Inquiry History

17 Inquiries

Country	Product	Purchase Quantity	Date Posted
Nigeria	Sulphonic acid	1.00 KG	May 6, 2026
Netherlands	Toluenesulfonic Acid	500 KG	Feb 4, 2026
South Africa	Sulphonic acid	5.00 TON	Jun 27, 2025
Pakistan	Para toulene sulfonic acid	1 KG	May 21, 2025
Bahrain	PARA Toulene Sulphonic Acid	10 KG	Mar 24, 2025
India	p-Toluenesulfonic Acid	1.00 MT	Aug 12, 2024
India	p-Toluenesulfonic acid	100 MT	Feb 21, 2024
Chile	P-toluenesulfonic acid with ISO	100 KG	Oct 24, 2023
Indonesia	P-TolueneSulphonic Acid	24 MT	Sep 11, 2023
Malaysia	pTSA	1 MT	Jun 10, 2026
United Kingdom	p-Toluene sulfonic acid	1 20' Fcl	Mar 4, 2026
Pakistan	p-Toluenesulfonic acid	25 G	Aug 15, 2025
India	p-toluenesulfonic acid	6.00 TON	Oct 26, 2024
United States	Toluene suophonate	1 KG	May 29, 2026
Pakistan	Para toluene sulfonic acid	500 KG	Dec 30, 2025
Germany	p-Toluenesulfonic acid	5000 KG	Oct 10, 2024
Pakistan	P-toluenesulfonic acid with ISO	25 KG	Nov 1, 2023

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Factory Direct Sales Ptsa/P-Toluenesulfonic Acid CAS 104-15-4

Product Description

Seller Information

Inquiry History

Product Description

Classification of the substance or mixture

GHS label elements, including precautionary statements

Other hazards which do not result in classification

Precautions for safe handling

Conditions for safe storage, including any incompatibilities

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