 Home > Active Pharmaceutical Ingredients > Antipyretic Analgesics > Naproxen for Sale > Naproxen

Naproxen

8 Inquiries

Unit Price: Get Latest Price 

CAS No.:

22204-53-1

Price valid (until):

2026-08-15

Contact Supplier

 Chat Now

Hangzhou Dawn Ray Pharmaceutical Co.,Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP

 Visit Store

Product Description
Seller Information
Inquiry History

Description

Keywords

Naproxen

Quick Details

ProName:

Naproxen

CasNo:

22204-53-1

Molecular Formula:

C14H14O3

Appearance:

Almost white, crystalline powder

Application:

Used as anti-inflammatory analgesic

DeliveryTime:

prompt shipment

PackAge:

25kg/drum

Port:

Hangzhou,Shanghai,China

ProductionCapacity:

Metric Ton/Day

Purity:

98.5% ～ 101.5%

Storage:

cool and dry

Transportation:

by sea ,air or express

LimitNum:

1 Kilogram

Superiority

We have GMP.

Details

Characteristics：A white or almost white, crystalline powder
[Identification：
A: Infrared Absorption
The infrared absorption spectrum is concordant with the reference spectrum
B: Ultraviolet Absorption
Absorptivities at 271nm,
calculated on the dried base,
do not differ by more than
[Specific rotation] ：+83.0°to +89.5°
[Loss on drying] ：≤0.5%
[Heavy metals] ：≤0.002%
[Chromatographic purity] 1
Impurity D(in-house) ：≤0.10%
Impurity E(in-house, Impurity C in EP) ：≤0.10%
Any other impurity： ≤0.10%
Total impurities： ≤1.0%
[Organic residual solvent] 2
Toluene：NMT 45ppm
Methanol：NMT 50ppm
[Assay] (On dry basis)It contains C14H14O3：98.5% ～ 101.5%
It conforms to USP35.

Basic Info

Product Name:

Naproxen

Other Name:

2-Naphthaleneacetic acid,6-methoxy-α-methyl-,(αS)-;2-Naphthaleneacetic acid,6-methoxy-α-methyl-,(+)-;2-Naphthaleneacetic acid,6-methoxy-α-methyl-,(S)-;(αS)-6-Methoxy-α-methyl-2-naphthaleneacetic acid;(+)-2-(6-Methoxy-2-naphthyl)propionic acid;Naproxen;(+)-6-Methoxy-α-methyl-2-naphthaleneacetic acid;d-2-(6-Methoxy-2-naphthyl)propionic acid;d-Naproxen;CG 3117;Naprosyn;Equiproxen;Naixan;(+)-Naproxen;(S)-(+)-Naproxen;(S)-Naproxen;(+)-(S)-Naproxen;(S)-2-(6-Methoxy-2-naphthyl)propionic acid;(S)-(+)-2-(6-Methoxy-2-naphthyl)propionic acid;(S)-6-Methoxy-α-methyl-2-naphthaleneacetic acid;(S)-2-(6-Methoxy-2-naphthyl)propanoic acid;(S)-(+)-Naproxene;Apo-Naproxen;Diocodal;RS 3540;Laraflex;Naprosyne;Naxen;MNPA;Naprux;Laser;Bonyl;Napren;Floginax;Veradol;Proxen;Panoxen;Proxine;Xenar;Dysmenalgit;Reuxen;Nycopren;Prexan;Naprium;Naprius;(S)-α-Methyl-6-methoxynaphthalene-2-acetic acid;Aproxen;(S)-2-(6-Methoxynaphthalen-2-yl)propionic acid;(S)-2-(6-Methoxynaphthalen-2-yl)propanoic acid;Xenar-CR;(2S)-2-(6-Methoxy-2-naphthyl)propanoic acid;(+)-(S)-2-(6-Methoxynaphthalen-2-yl)propanoic acid;(2S)-2-(6-Methoxynaphthalen-2-yl)propanoic acid

CAS No.:

22204-53-1

UN No.:

2811

Molecular Formula:

C14H14O3

InChIKeys:

InChIKey=CMWTZPSULFXXJA-VIFPVBQESA-N

Molecular Weight:

230.26

Exact Mass:

230.26

BRN:

3591067

EC Number:

244-838-7

HScode:

2918990090

Categories:

Antipyretic Analgesics

Characteristics

PSA:

46.5

XLogP3:

3.3

Appearance:

Solid

Density:

1.24 g/cm³

Melting Point:

152-154 °C

Boiling Point:

403.8°C at 760 mmHg

Flash Point:

9℃

Refractive Index:

1.609

Water Solubility:

Insoluble in water.

Storage Conditions:

-20°C Freezer

Vapor Pressure:

1.89X10-6 mm Hg at 25 deg C (est)

Toxicity:

Oral-Rat LD50 248 mg/kg; Oral-Mouse LD50: 360 mg/kg

Flammability characteristics:

Flammable; burning produces toxic and spicy irritating smoke

Specific rotation:

D +66° (in chloroform)

Odor:

Practically odorless

PKA:

4.15None

See More Naproxen Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity â single exposure, Category 3

Reproductive toxicity, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation H361 Suspected of damaging fertility or the unborn child
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. 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. P203 Obtain, read and follow all safety instructions before use.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. 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. P318 IF exposed or concerned, get medical advice.
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

Commercially available naproxen and naproxen sodium conventional tablets and naproxen delayed-release (enteric-coated) tablets should be stored in well-closed containers at 15 - 30 deg C; the containers for the delayed-release tablets also should be light resistant. Extended-release naproxen sodium tablets should be stored in well-closed containers at 20 - 25 deg C. Naproxen oral suspension should be stored in light-resistant containers at 15 - 30 deg C, and temperatures exceeding 40 deg C should be avoided. Naproxen conventional and delayed-release (enteric-coated) tablets should be stored in well-closed, light-resistant containers. Naproxen sodium tablets should be stored in well-closed containers.

See More Naproxen Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP

Location:
1613 Guangyin Building,No.42 E.Fengqi Road,Hangzhou,310012 China.

Payment Terms:
TT against copy of documents,L/C

Average lead Time:
7

Total Annual Revenue:
$25 million-$50 million

Total Employees:
11-50

Year of Establishment:
2011

Dawn Ray is a R&D and process improvement company,which is located in Hangzhou, Zhejiang province,China.We are dealing in multi-application of pharmaceuticals(APIs),antibiotics,food additives,peptides and plant extracts.

Dawn Ray has a wide range of products from milligram up to thousands of kilogram quantities.We are also increasing our breed all the time.Our products have been exported all over the world and have a good reputation.

Dawn Ray promises that we can offer you qualified products and excellent service in good prices.Our aim is "Best goods,best service".We sincerely invite customers from all over the world to visit our company,establish business relations and both get win.

Process Capacity: Synthetic,Ferment,extract

After-sale Service:24 hours on skype for business

Inquiry History

8 Inquiries

Country	Product	Purchase Quantity	Date Posted
Indonesia	Naproxen 22204-53-1 Pharmaceutical Raw Materials for Anti-Inflammatory	1 KG	Oct 3, 2023
Bangladesh	Naproxen USP	250 KG	Dec 2, 2025
Indonesia	Naproxen	1 KG	Oct 31, 2023
Bangladesh	Naproxen	500 KG	Jul 24, 2023
Bangladesh	Naproxen sodium	2.00 MT	Dec 11, 2025
Slovenia	Naproxen	500 G	Apr 1, 2025
India	Naproxen	1 MT	Jun 27, 2024
Turkey	Naproxyn	1.00 MT	May 17, 2024

Post an enquiry for this product

More Choices Find All Products for Sale 

Product Name	Grade / Content	Supplier Name	Details
Naproxen 98% white powde 22204-53-1 Senwayer	Pharmaceutical Grade/98	Dingwang Technology (Wuhan) Co., Ltd.	Inquiry
Naproxen 22204-53-1 Pharmaceutical Raw Materials for Anti-Inflammatory	/0.00	SHANDONG LOOK CHEMICAL CO.,LTD	Inquiry
Naproxen	/99.00	HANGZHOU LEAP CHEM CO., LTD.	Inquiry
Supply 99% Naproxen CAS 22204-53-1 Naproxen Powder	/99.00	Xian ZB Biotech Co.,Ltd	Inquiry
Naproxen 99% see COA kanbei	Industrial Grade/99	Henan Lihao Chem Plant Limited	Inquiry

Naproxen

Product Description

Seller Information

Inquiry History

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

More Choices Find All Products for Sale 

Related Searches