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supply High Quality PARA-Aminosalicylic Acid CAS 65-49-6 4-Aminosalicylic Acid

Name: supply High Quality PARA-Aminosalicylic Acid CAS 65-49-6 4-Aminosalicylic Acid
Brand: First Chems Co., LTD
SKU: pr2503251062
Price: 110 USD
Availability: InStock

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CAS No.:

65-49-6

Grade:

Pharmaceutical Grade

Content:

99%

Port:

qingdao

Brand:

First Chems Co., LTD

Packaging:

1kg ,25kg or according to customer's detail requirement.

Price valid (until):

2026-05-28

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First Chems Co., LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Titanium dioxide,npk,pvc,sles,labsa,mdi

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Product Description
Seller Information

Description

Product Detail

High Quality PARA-Aminosalicylic Acid CAS 65-49-6 4-Aminosalicylic Acid

What is PARA-Aminosalicylic Acid/4-Aminosalicylic Acid ?

4-Aminosalicylic acid is an anti-tuberculous drug with antibacterial activity against Mycobacterium tuberculosis.
Pharmaceutical intermediate used in the synthesis of sodium para - aminosalicylate as an anti-tuberculosis drug. It is also used to analyze acid-base fluorescent indicators of reagents. Pharmaceutical intermediates, used for the synthesis of anti-tuberculosis drug p-amino sodium salicylate; As zinc brightening agent, leveling agent and leveling agent, used for alkaline zinc plating.

Items	Specifications
Product name	PARA-Aminosalicylic Acid/4-Aminosalicylic Acid
CAS No.	65-49-6
MF	C7H7NO3
MW	153.14
EINECS.No	200-613-5
Melting Point	135-145 °C (lit.)
Boiling Point	276.03°C (rough estimate)
Density	1.3585 (rough estimate)
Appearance	White powder
Shelf Life	2 Years When Properly Stored
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder.

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Certification

Item	Specification	Result
Appearance	white to off-white powder	Complies
Related substance (HPLC)	Total impurity ≤0.5% Max single impurity ≤0.1%	0.2% 0.06%
Odor	Characteristic	Complies
Assay	99%	99.8%
Sieve analysis	100% pass 80 mesh	Complies
Loss on Drying Residue on Ignition	≤1.0% ≤1.0%	0.12% 0.09%
Heavy Metal	<10ppm	Complies
As	<0.1ppm	0.05ppm
Pb	<0.1ppm	0.05ppm
Cd	<0.1ppm	0.05ppm
Residual Solvents	<100ppm	Complies

Function
4-Aminosalicylic acid, also known as para-aminosalicylic acid (PAS) is an antibiotic primarily used to treat tuberculosis.
The main use for 4-aminosalicylic acid is for the treatment of tuberculosis infections.
Antimycobacterial antitubercular;NF-kB inhibitor

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Our advantage ：

★ The company has been established for more than 10 years with rich export experience and experienced transportation team.

★ Awesome after sales.1 to 1 customer service to solve any problems from the beginning of the inquiry to the receipt of goods

★ Quality is guaranteed.

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Shipping Advise 1. By Express

------Suitable for under 50kg, Fast:3-7 days.

High cost; Door to door service. Easy to pick up the goods.

2. By Air

------Suitable for more than 50 kg, Fast:3-7 days,

High cost, airport to airport. professional broker needed.

3. By sea

------Suitable for more than 500kg. Slow: 5-45 days,

Low cost. Port to Port, professional broker needed.

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Service

1. Any inquiries will be replied within 24 hours.

2. Dedication to quality, supply & service.

3. Strictly on selecting raw materials.

4. OEM/ODM Available.

5. Reasonable & competitive price, fast lead time.

6. Sample is available for your evaluation & formulation development.

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FAQ

1.How to get in touch with us?

You can chat with us by Trademanager,WhatsApp or simply giving us an email, a phone call. All our contacts information can be found from our website.

2.Are you a manufacturer or trade company?

We are a professional manufacturer.

3.Can I get a sample?

Yes, free sample can be provided, but shipping cost is covered by your side.

4.What's your MOQ?

It is based on the different product. Some are 1g while some are 1 kg. Please be free to consult our salesman.

5.When can I get the quotation?
We usually quote within 1 hours after we get your inquiry. If it's a urgent order you can call us or mention it in your email subject, and we can take it as priority.

6.Is there any discount?
Yes, some products are applied for discount, but it depends on the quantity.

7.Can you do OEM for me?
Yes,we accept OEM orders, just contact us and give us your requirement. We will offer you a reasonable price and make samples ASAP.

Certificates

Basic Info

Product Name:

4-Aminosalicylic acid

Other Name:

Benzoic acid,4-amino-2-hydroxy-;Salicylic acid,4-amino-;4-Amino-2-hydroxybenzoic acid;Apacil;Apas;Deapasil;Pamacyl;Para-Pas;Parasal;Parasalicil;Parasalindon;PAS (acid);Pasara;Pasem;Pasmed;Pasnodia;Propasa;Rezipas;PASK;2-Hydroxy-4-aminobenzoic acid;Para-aminosalicylic acid;Pasolac;Sanipirol-4;3-Hydroxy-4-carboxyaniline;Paramycin;Gabbropas;Amino-PAS;Osacyl;Pasalon;Entepas;Pasa;PAS;p-Aminosalicylic acid;4-Aminosalicylic acid;4-ASA;4-Carboxy-3-hydroxyaniline;Pamisyl;NSC 2083;NSC 211698;Monopass;Paser;Euteropas;Granupas;2220148-96-7

CAS No.:

65-49-6

Molecular Formula:

C7H7NO3

InChIKeys:

InChIKey=WUBBRNOQWQTFEX-UHFFFAOYSA-N

Molecular Weight:

153.14

Exact Mass:

153.14

BRN:

473071

EC Number:

200-613-5

UNII:

5B2658E0N2

NSC Number:

2083

DSSTox ID:

DTXSID2022591

NCI Thesaurus Code:

C47394

Color/Form:

MINUTE CRYSTALS FROM ALC|WHITE, OR NEARLY WHITE, BULKY POWDER|NEEDLES, PLATES FROM ALC-ETHER|A reddish-brown crystalline powder is obtained on recrystallization from ethanol-ether.

ATC Code:

J04AA01|J - Antiinfectives for systemic use

HScode:

29225000

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

83.6

XLogP3:

1.3

Appearance:

Colorless Powder

Density:

1.5±0.1 g/cm3

Melting Point:

150.5 °C (decomp)

Boiling Point:

347ºC

Flash Point:

184.1±25.1 °C

Refractive Index:

1.691

Water Solubility:

H2O: 2 g/L (20 ºC)

Storage Conditions:

Store at 0-5°C

Toxicity:

Peritoneal-mouse LD50: 4250 mg/kg; oral-mouse LD50: 4000 mg/kg

Flammability characteristics:

Flammable; burning produces toxic nitrogen oxide fumes

Odor:

ODORLESS, OR HAS SLIGHT ACETOUS ODOR

PH:

PH (SATURATED AQ SOLN): BETWEEN 3 & 3.7

PKA:

2.05(at 25 °C)

Dissociation Constants:

2.05 (at 25 °C)|PKA: 3.25

Experimental Properties:

PH OF 0.1% AQ SOLN: 3.5|CRYSTALS; DECOMP @ 224 °C /HYDROCHLORIDE/|WHITE TO CREAM-COLORED CRYSTALS OR POWDER; ODORLESS, & HAS ALKALINE, SLIGHTLY BITTER TASTE /CALCIUM SALT/|WHITE TO CREAM-COLORED, CRYSTALLINE POWDER; PRACTICALLY ODORLESS & HAS SALINE TASTE /POTASSIUM SALT/|For more Other Experimental Properties (Complete) data for P-AMINOSALICYLIC ACID (7 total), please visit the HSDB record page.

See More 4-Aminosalicylic 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

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

Store below 90 deg C (104 deg F), unless otherwise specified by manufacturer. Store in tight, light resistant containers.

See More 4-Aminosalicylic acid Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Titanium dioxide,npk,pvc,sles,labsa,mdi

Location:
37 Keji Road, Yanta District, Xi 'an City, Shaanxi Province

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

Average lead Time:
15

Total Annual Revenue:
$5 million-$10 million

Total Employees:
Less than 5

Year of Establishment:
2020

COMPANY OVERVIEW

First Chems Co., LTD，a joint-stock enterprise with production, export and services of chemicals, has widely adopted world-advanced equipments and management system, and our products quality is assured under the ISO9001 and ISO14001 standards, mainly specializes in developing Agriculture/Fertilizer chemicals series, Washing detergent chemicals series, Soda alkali chemicals series, Water treatment chemical series, etc.

Our main products include:

a. Agriculture/Feed chemicals series : Zinc Sulphate, Manganese sulfate etc.),

b. Washing detergent chemicals series : (LABSA, SLES, CEDA,STPP, etc.)

c. Soda alkali chemicals series : ( Caustic Soda , Sodium Sulphate Anhydrous etc.)

d. Water treatment chemical series: (Calcium hypochlorite, TCCA,SDIC, PAC- poly aluminium chloride, PFS, Aluminium sulfate etc.)

e. Adsorbent Desiccant Activated Alumina Ball

f. Raw material Calcium Aluminate ,Aluminium Hydroxide
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