Factory Supply 99% Naphazoline hydrochloride powder CAS 550-99-2 USP/EP/CP standard
TDS 4 Inquiries
550-99-2
Pharmaceutical Grade
99%
SHANGHAI/SHENSHEN/GUANGZHOU/SHENZHEN/QINGDAO
HNB-BIOTECH
25kg/carton drum; 1kg/aluminium foil bag
Yes
2026-04-13
Ivermectin,Active pharmaceutical ingredients,Cosmetics material,Chemical intermediate,Nootropic,Food additive
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Product Details
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceWhite crystalline powder. Melting point 255-260 ℃. 40 grams of the product can be dissolved in 100 ml of water . It is soluble in alcohol, slightly soluble in chloroform, insoluble in ether and benzene. Odorless, bitter taste. White or almost white, crystalline powder.
Naphazoline is an organic molecular entity.|Naphazoline Hydrochloride is the hydrochloride salt form of naphazoline, an imidazole derivative and a direct-acting sympathomimetic amine with vasoconstrictive properties. Upon ocular administration, naphazoline hydrochloride exerts its effect by acting on alpha-adrenergic receptors in the arterioles of the conjunctiva to produce vasoconstriction, resulting in decreased conjunctival congestion and diminished itching, irritation and redness.|An adrenergic vasoconstrictor agent used as a decongestant.CertificatesBasic Info-
Product Name:
Naphazoline hydrochloride
Other Name:1H-Imidazole,4,5-dihydro-2-(1-naphthalenylmethyl)-,hydrochloride (1:1);2-Imidazoline,2-(1-naphthylmethyl)-,monohydrochloride;Naphazoline hydrochloride;1H-Imidazole,4,5-dihydro-2-(1-naphthalenylmethyl)-,monohydrochloride;2-(1-Naphthylmethyl)-2-imidazoline hydrochloride;Niazol;Privine hydrochloride;Prizole hydrochloride;Rhinantin;Rhinoperd;Stricylon;Naphazoline chloride;Privine (American);Naphthasolium chloride;2-(α-Naphthylmethyl)-2-imidazoline hydrochloride;2-(1-Naphthylmethyl)imidazoline hydrochloride;Ocumethyl;Vasocon;Coldan;Rhinatin;Strictylon;Degest 2;Opcon;Iridina Due;Sanorin-Spofa;Naphcon;Vasoclear;Albalon;Ak-Con;Allerest Eye Drops;Comfort Eye Drops;Clera;Neozoline;Naprisol;35412-62-5
CAS No.:550-99-2
Molecular Formula:C14H14N2.ClH
InChIKeys:InChIKey=DJDFFEBSKJCGHC-UHFFFAOYSA-N
Molecular Weight:246.74
Exact Mass:246.092
BRN:3716843
EC Number:208-989-2
UNII:MZ1131787D
NSC Number:757110|35711
DSSTox ID:DTXSID7045788
NCI Thesaurus Code:C47632
Color/Form:WHITE CRYSTALLINE POWDER
HScode:29339900
Categories:
Characteristics-
PSA:
24.4
XLogP3:2.95040
Appearance:White Crystalline Powder
Density:1.15 g/cm3
Melting Point:255-260 °C
Boiling Point:440.5°C at 760 mmHg
Flash Point:220.2ºC
Water Solubility:H2O: 170 g/L (20 ºC)
Storage Conditions:Naphazoline hydrochloride ophthalmic solutions should be protected from light and should be stored in tight, light-resistant containers. The drug is degraded in the presence of aluminum and, therefore, should not be stored in aluminum containers. ... Fixed combinations containing naphazoline hydrochloride and antazoline phosphate should be stored at temperatures less than 25 deg C.
Toxicity:LD50 s.c. in rats: 385 mg/kg (Gylfe)
Odor:ODORLESS
Taste:Bitter
PH:A 1% aqueous solution has a pH of about 6.2
Dissociation Constants:pKa = 10.35 (25 °C); pKa = 10.13 (35 °C); pKa = 9.92 (45 °C)
Collision Cross Section:148.5 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Experimental Properties:DECOMP @ 253-258 °C
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 2, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H300 Fatal if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P316 IF SWALLOWED: Get emergency medical help immediately.
P321 Specific treatment (see ... on this label).
P330 Rinse mouth.
Storage 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 StoragePrecautions 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
Naphazoline hydrochloride ophthalmic solutions should be protected from light and should be stored in tight, light-resistant containers. The drug is degraded in the presence of aluminum and, therefore, should not be stored in aluminum containers. ... Fixed combinations containing naphazoline hydrochloride and antazoline phosphate should be stored at temperatures less than 25 deg C.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Ivermectin,Active pharmaceutical ingredients,Cosmetics material,Chemical intermediate,Nootropic,Food additive
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Location:
6 floor Baoyilongji Building B Weiyang Area, Fengcheng 8 Road, Xi'an city, Shaanxi, 710000, China
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Payment Terms:
L/C,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
7 days
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Total Annual Revenue:
$5 million-$10 million
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Total Employees:
51-100
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Year of Establishment:
2017
Company Certificates-
![HNB BiotechISO]( "ISO")
ISO
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![HNB BiotechISO]( "ISO")
ISO
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Inquiry History4 Inquiries
Country Product Purchase Quantity Date Posted 
Mongolia
Naphazoline hydrochloride
25 KG Sep 30, 2026 
Pakistan
Naphazoline Hydrochloride
1 MT Jan 14, 2026
Pakistan
Atracurium Besylate
1 MT Jan 14, 2026 
Georgia
Naphazoline hydrochloride
5 KG Sep 27, 2024 Post an enquiry for this product
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