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Sodium hypochlorite

CAS No.: 7681-52-9
Formula: ClNaO
Molecular Weight: 74.44
Suppliers: All(0) China Suppliers(20) Products(22)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
  • Price
  • Related Product
  • Supplier Reference
What is Sodium hypochlorite

**Introduction to Sodium Hypochlorite** Sodium hypochlorite (NaOCl) is a widely used chemical compound known for its strong disinfecting and bleaching properties. Commonly found in household bleach, it is an effective solution for water treatment, surface sanitation, and stain removal. Its ability to kill bacteria, viruses, and fungi makes it essential in healthcare, food processing, and wastewater treatment. Sodium hypochlorite works by releasing chlorine, which oxidizes and destroys organic contaminants. While highly effective, it should be handled with care, as it can be corrosive and may release toxic fumes when mixed with acids. Proper dilution and storage are crucial to ensure safety and efficacy in various applications.

Preparation Process: Sodium hypochlorite (NaClO) is commonly prepared by reacting chlorine gas (Cl₂) with a cold, dilute sodium hydroxide (NaOH) solution. The process involves bubbling chlorine gas through a 10-15% NaOH solution at temperatures below 30°C to prevent decomposition. The reaction proceeds as follows: **Cl₂ + 2NaOH → NaClO + NaCl + H₂O** The resulting solution contains sodium hypochlorite and sodium chloride. Industrial production may use electrolysis of brine (NaCl solution) without membrane separation, generating hypochlorite in situ. Proper cooling and pH control (pH ~11) are essential to maximize yield and minimize degradation into chlorate (ClO₃⁻).

Usage Scenarios: Sodium hypochlorite (NaOCl) is widely used as a disinfectant and bleaching agent. In household applications, it is the active ingredient in bleach, effectively removing stains and whitening fabrics. It serves as a powerful sanitizer for surfaces, killing bacteria, viruses, and fungi. In water treatment, it disinfects drinking water and swimming pools by eliminating harmful microorganisms. The medical field utilizes diluted solutions for wound cleaning and sterilization. Additionally, sodium hypochlorite is employed in food processing to sanitize equipment and control microbial growth. Industrial uses include odor removal and wastewater treatment. Its oxidizing properties make it valuable in chemical synthesis and pulp bleaching in the paper industry.

Sodium hypochlorite Basic Info
Chemical Name Sodium hypochlorite
Synonyms naocl;Sodium hypochlorite solution;HYPOCHLORITE;clorox;ANTIFORMIN;chlorox;Chlorine liquid;aabb;cilvsuanan;LIQUID CHLORINE
CAS No. 7681-52-9
Molecular Formula ClNaO
Molecular Weight 74.44
PSA 23.06000
LogP 0.57070
Safely Info
RTECS NH3486300
Hazard Class 8
Safety Statements 26-36/37/39-45-50A-28A-36-61-50-28
HS Code 28289000
WGK Germany 2
Packing Group III
RIDADR UN 1791 8/PG 3
Risk Statements 31-34-36/38-36/37/38-50
Hazard Codes C,Xi,N
Caution Statement P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
Hazard Declaration H314-H410
Symbol GHS05,GHS09
Signal Word Danger
Sodium hypochlorite Price
Here is a rough price range for sodium hypochlorite in the listed countries. Note that prices can vary based on concentration, packaging, and market conditions:

1. **United States**: $0.50 - $2.00 per gallon
2. **China**: $0.20 - $0.80 per liter
3. **Russia**: $0.30 - $1.00 per liter
4. **Germany**: €0.50 - €1.50 per liter
5. **India**: ₹20 - ₹50 per liter
6. **Japan**: ¥100 - ¥300 per liter
7. **Brazil**: R$2.00 - R$6.00 per liter
8. **South Korea**: ₩1,000 - ₩3,000 per liter
9. **Philippines**: ₱50 - ₱150 per liter
10. **United Kingdom**: £0.50 - £1.50 per liter
11. **France**: €0.50 - €1.50 per liter
12. **Mexico**: MXN$10 - MXN$30 per liter
13. **Canada**: CAD$1.00 - CAD$3.00 per liter
14. **South Africa**: ZAR10 - ZAR30 per liter
15. **Egypt**: EGP10 - EGP30 per liter
16. **Turkey**: ₺5 - ₺15 per liter
17. **Thailand**: ฿20 - ฿60 per liter
18. **Indonesia**: IDR10,000 - IDR30,000 per liter

If no specific data is available for a country, it is marked as "No results." Prices are approximate and subject to change.
MSDS
SDS 1.0
Download/Modify | Technical supported by XiXisys.com. For US version, EU version (23 languages) and more, please refer to xixisys.com/en/sds/search

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name sodium hypochlorite

1.2 Other means of identification

Product number -
Other names milton

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

Company MOLBASE (Shanghai) Biotechnology Co., Ltd.
Address Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
Xuhui District, Shanghai, China
Telephone +86(21)64956998
Fax +86(21)54365166

1.5 Emergency phone number

Emergency phone number +86-400-6021-666
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

Skin corrosion, Category 1B

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Danger

Hazard statement(s)

H314 Causes severe skin burns and eye damage

H400 Very toxic to aquatic life

Precautionary statement(s)
Prevention

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P264 Wash ... thoroughly after handling.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P273 Avoid release to the environment.

Response

P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].

P363 Wash contaminated clothing before reuse.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P310 Immediately call a POISON CENTER/doctor/…

P321 Specific treatment (see ... on this label).

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P391 Collect spillage.

Storage

P405 Store locked up.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
sodium hypochlorite sodium hypochlorite 7681-52-9 none 100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms/effects, acute and delayed

no data available

4.3 Indication of immediate medical attention and special treatment needed, if necessary

no data available

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

5.2 Specific hazards arising from the chemical

no data available

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

6.3 Methods and materials for containment and cleaning up

Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

7.Handling and storage

7.1 Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state colourless liquid with strong odour
Colour no data available
Odour no data available
Melting point/ freezing point -16ºC
Boiling point or initial boiling point and boiling range 111°C
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point no data available
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility In water:decomposes.
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure no data available
Density and/or relative density 1.097g/mLat 25°C
Relative vapour density no data available
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

no data available

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

no data available

10.6 Hazardous decomposition products

no data available

11.Toxicological information

Acute toxicity

  • Oral: no data available
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

no data available

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no data available

12.Ecological information

12.1 Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

no data available

12.3 Bioaccumulative potential

no data available

12.4 Mobility in soil

no data available

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods

Product

The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

14.Transport information

14.1 UN Number

ADR/RID: UN3082 IMDG: UN3082 IATA: UN3082

14.2 UN Proper Shipping Name

ADR/RID: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S.
IMDG: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S.
IATA: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S.

14.3 Transport hazard class(es)

ADR/RID: 9 IMDG: 9 IATA: 9

14.4 Packing group, if applicable

ADR/RID: III IMDG: III IATA: III

14.5 Environmental hazards

ADR/RID: yes IMDG: yes IATA: yes

14.6 Special precautions for user

no data available

14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

no data available

15.Regulatory information

15.1 Safety, health and environmental regulations specific for the product in question

Chemical name Common names and synonyms CAS number EC number
sodium hypochlorite sodium hypochlorite 7681-52-9 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory Listed.
China Catalog of Hazardous chemicals 2015 Listed.
New Zealand Inventory of Chemicals (NZIoC) Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Listed.
Vietnam National Chemical Inventory Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Listed.

16.Other information

Information on revision

Creation Date Aug 16, 2017
Revision Date Aug 16, 2017

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%

References

  • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
MSDS
Sodium hypochlorite Suppliers
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China Shandong Weifang
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China Hebei Cangzhou
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China Shandong Qingdao
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China Zhejiang Hangzhou
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China Shandong Jinan
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China Shanghai Districts
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South Africa
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China Shaanxi Xi'an
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China Shandong Qingdao
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China Jiangsu Nantong
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