Sodium Hypochlorite CAS#7681-52-9

High Solubility and Easy Handling:Readily soluble in cold water, allowing for convenient preparation and uniform application in liquid solutions.


Effective Available Chlorine SourceProvides a reliable concentration of active chlorine (5.25% for household use and up to 150 g/L for industrial use), ensuring strong disinfecting and bleaching performance.


Multiple Strength OptionsAvailable in both household-grade and industrial-grade concentrations, making it suitable for a wide range of cleaning, sanitizing, and industrial applications.


Distinctive Mild Aroma and Clean AppearancePale greenish crystalline form with a mild odor, indicating freshness and ease of identification during handling and storage.


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Product Description

Product Description of Sodium Hypochlorite CAS#7681-52-9

Sodium hypochlorite (NaOCl) is a pale green crystalline solid unstable in air. It dissolves readily in cold water but decomposes in hot water, with a faint sweet odor. It is commonly supplied in two concentrations: household bleach contains 5.25 wt% NaOCl, while industrial grade has about 150 g/L available chlorine.


Product Application of Sodium Hypochlorite CAS#7681-52-9

Sodium hypochlorite is only provided in aqueous solution, as its anhydrous solid is extremely unstable and potentially explosive. Its pentahydrate solid is also unstable in air and decomposes by reacting with atmospheric carbon dioxide, whereas its aqueous solution enjoys good stability. It is widely used for bleaching textiles and paper pulp, making cleaning agents, water purification, swimming pool disinfection, as well as serving as a bactericide and topical anti-infective agent.

Product Information

Parameters


Melting point-16 °C
Boiling point111 °C
density1.25 g/mL at 20 °C
vapor pressure17.5 mmHg ( 20 °C)
refractive index1.387
storage temp.2-8°C
solubilityMethanol (Slightly), Water (Slightly)
formSolution
colorLight yellow
Specific Gravity1.209
Odorpale greenish to yel. liq., chlorine bleach odor
PH12-13 (20°C, 68 °F)
Water Solubilitydecomposes.
Merck148,628
Dielectric constant6.7(Ambient)
Exposure limitsACGIH: Ceiling 2 mg/m3
OSHA: TWA 2 mg/m3
NIOSH: IDLH 10 mg/m3; Ceiling 2 mg/m3
BCS Class1
Stability:Stable. Contact with acids releases poisonous gas ( chlorine ). Light sensitive. Incompatible with strong acids, amines, ammonia, ammonium salts, reducing agents, metals, aziridine, methanol, formic acid, phenylacetonitrile.
LogP-3.42 at 20℃
CAS DataBase Reference7681-52-9(CAS DataBase Reference)
EPA Substance Registry SystemSodium hypochlorite (7681-52-9)


Safety Information


Hazard CodesC,Xi,N
Risk Statements31-34-36/38-36/37/38-50
Safety Statements26-36/37/39-45-50A-28A-36-61-50-28
RIDADRUN 1791 8/PG 3
WGK Germany2
RTECSNH3486300
TSCAYes
HazardClass8
PackingGroupIII
HS Code28289000
Hazardous Substances Data7681-52-9(Hazardous Substances Data)
ToxicitySkin contact with the solid hypochlorite pentahydrate or its concentrated solution can cause irritation. Ingestion may cause corrosion of mucous membranes and gastric perforation.


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Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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