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Water

CAS No.: 7732-18-5
Formula: H2O
Molecular Weight: 18.01
Suppliers: All(0) China Suppliers(13) Products(50)
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  • Safety Info
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What is Water

**Introduction to Water** Water is the essence of life—a clear, odorless, and tasteless liquid vital for all known forms of life. Composed of hydrogen and oxygen (H₂O), it is the most fundamental natural resource, supporting hydration, health, and countless biological processes. Pure water is essential for drinking, cooking, agriculture, and industrial applications. Whether sourced from springs, purified through filtration, or enhanced with minerals, water plays a critical role in maintaining bodily functions, regulating temperature, and eliminating toxins. Sustainable water management ensures access to clean, safe water for communities worldwide. From everyday hydration to ecological balance, water remains irreplaceable—a simple yet extraordinary substance that sustains life on Earth.

Preparation Process: **Preparation Method of Water (H₂O):** 1. **Direct Synthesis:** Combine hydrogen (H₂) and oxygen (O₂) gases in a 2:1 molar ratio. 2. **Ignition:** Initiate the reaction with a spark or flame, producing water vapor: \[ 2H₂ + O₂ → 2H₂O \] 3. **Cooling:** Condense the vapor by cooling to obtain liquid water. 4. **Alternative Methods:** - **Neutralization:** Mix hydrochloric acid (HCl) and sodium hydroxide (NaOH): \[ HCl + NaOH → NaCl + H₂O \] - **Combustion:** Burn hydrocarbons (e.g., methane) in excess oxygen: \[ CH₄ + 2O₂ → CO₂ + 2H₂O \] 5. **Purification:** Distill or deionize to remove impurities.

Usage Scenarios: Water (H₂O) is essential for life, serving as a universal solvent in biological and chemical processes. It regulates body temperature through sweating and respiration. In agriculture, it irrigates crops, ensuring food production. Industrially, water cools machinery, generates steam, and processes raw materials. It is used in cleaning, sanitation, and hygiene to prevent disease. Water facilitates transportation via rivers and canals. In households, it is consumed for drinking, cooking, and washing. Hydropower generates electricity, while recreational activities like swimming rely on it. Water extinguishes fires and supports aquatic ecosystems. Pharmaceuticals use it as a solvent, and laboratories employ it for experiments. Its absence would disrupt all life and industries.

Water Basic Info
Chemical Name Water
Synonyms Aqua;SODIUM HYDROXIDE SOLUTION;CAUSTIC SODA FLAKE;Di water;SODIUM HYDRATE;SODA CAUSTIC;Wasser;CAUSTIC SODA LIQUID;Oxidane;Pure Water
CAS No. 7732-18-5
Molecular Formula H2O
Molecular Weight 18.01
PSA 9.23000
LogP -0.06430
Safely Info
RTECS ZC0110000
Hazard Class -
Safety Statements 26
HS Code 28530010
WGK Germany 1
Packing Group -
RIDADR UN 1824 8/PG 2
Risk Statements R36/38
Hazard Codes Xn
Caution Statement P280-P305+P351+P338-P321
Hazard Declaration H315-H319-H335
Symbol GHS07
Signal Word Warning
Water Price
United States: $0.50 - $1.00 per liter
China: $0.20 - $0.50 per liter
Russia: $0.10 - $0.30 per liter
Germany: $0.30 - $0.70 per liter
India: $0.05 - $0.20 per liter
Japan: $0.60 - $1.00 per liter
Brazil: $0.30 - $0.60 per liter
South Korea: $0.40 - $0.80 per liter
Philippines: $0.10 - $0.30 per liter
United Kingdom: $0.60 - $1.00 per liter
France: $0.70 - $1.00 per liter
Mexico: $0.20 - $0.50 per liter
Canada: $0.50 - $0.80 per liter
South Africa: $0.10 - $0.40 per liter
Egypt: $0.10 - $0.30 per liter
Turkey: $0.15 - $0.40 per liter
Thailand: $0.10 - $0.30 per liter
Indonesia: $0.10 - $0.30 per liter
MSDS
MSDS

Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
  Product identifiers
    Product name        : Water    
    CAS-No.        : 7732-18-5    
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    
  
  

Section 2. HAZARDS IDENTIFICATION
  Classification of the substance or mixture
    Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
    This substance is not classified as dangerous according to Directive 67/548/EEC.
  Label elements
    The product does not need to be labelled in accordance with EC directives or respective national laws.
  Other hazards - none

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substances
    Formula        : H2O H2O    
    Molecular Weight        : 18,02 g/mol    

Section 4. FIRST AID MEASURES
  Description of first aid measures
  If inhaled
    If not breathing give artificial respiration
  Most important symptoms and effects, both acute and delayed
    To the best of our knowledge, the chemical, physical, and toxicological properties have not been
    thoroughly investigated.
  Indication of any immediate medical attention and special treatment needed
    no data available

Section 5. FIREFIGHTING MEASURES
  Extinguishing media
  Suitable extinguishing media
    Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
  Special hazards arising from the substance or mixture
    no data available
  Advice for firefighters
    no data available
  Further information
    The product itself does not burn.

Section 6. ACCIDENTAL RELEASE MEASURES
  Personal precautions, protective equipment and emergency procedures
    no data available
  Environmental precautions
    no data available
  Methods and materials for containment and cleaning up
    Wipe up with absorbent material (e.g. cloth, fleece).
  Reference to other sections
    For disposal see section 13.

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
    no data available
  Conditions for safe storage, including any incompatibilities
    No special storage conditions required.
  Specific end uses
    no data available

Section 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    Handle in accordance with good industrial hygiene and safety practice.
  Personal protective equipment
  Skin protection
    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.
    Immersion protection
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: > 480 min
    Material tested:Dermatril® ( Z677272, Size M)
    Splash protection
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: > 30 min
    Material tested:Dermatril® ( Z677272, Size M)
    data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 873000,     test method: EN374
    If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
    contact the supplier of the CE approved gloves. This recommendation is advisory only and must
    be evaluated by an Industrial Hygienist familiar with the specific situation of anticipated use by our
    customers. It should not be construed as offering an approval for any specific use scenario.
  Respiratory protection
    No special protective equipment required.

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Information on basic physical and chemical properties
    a) Appearance        Form: liquid    
    Colour: colourless
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        6,0 - 8,0 at 25 °C    
    e) Melting point/freezing        0,0 °C    
    point
    f) Initial boiling point and 100 °C - lit.
    boiling range
    g) Flash point        not applicable    
    h) Evaporation rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        no data available    
    l) Vapour density        no data available    
    m) Relative density        1,000 g/cm3 at 3,98 °C    
    n) Water solubility        completely miscible    
    o) Partition coefficient: n- no data available
    octanol/water
    p) Autoignition        no data available    
    temperature
    q) Decomposition        no data available    
    temperature
    r) Viscosity        no data available    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    no data available

Section 10. STABILITY AND REACTIVITY
  Reactivity
    no data available
  Chemical stability
    no data available
  Possibility of hazardous reactions
    no data available
  Conditions to avoid
    no data available
  Incompatible materials
    no data available
  Hazardous decomposition products
    no data available

Section 11. TOXICOLOGICAL INFORMATION
  Information on toxicological effects
  Acute toxicity
    no data available
  Skin corrosion/irritation
    no data available
  Serious eye damage/eye irritation
    no data available
  Respiratory or skin sensitization
    no data available
  Germ cell mutagenicity
    no data available
  Carcinogenicity
    IARC:        No component of this product present at levels greater than or equal to 0.1% is identified as    
    probable, possible or confirmed human carcinogen by IARC.
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available
  Potential health effects
  Inhalation
    May cause respiratory tract irritation.
  Signs and Symptoms of Exposure
    To the best of our knowledge, the chemical, physical, and toxicological properties have not been
    thoroughly investigated.
  Additional Information
    RTECS: ZC0110000

Section 12. ECOLOGICAL INFORMATION
  Toxicity
    no data available
  Persistence and degradability
    not applicable
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available
  Results of PBT and vPvB assessment
    no data available
  Other adverse effects
    no data available

Section 13. DISPOSAL CONSIDERATIONS
  Waste treatment methods
  Product
    Taking into account local regulations the product may be disposed of as waste water after neutralisation.

Section 14. TRANSPORT INFORMATION
  UN number
    ADR/RID: -        IMDG: -        IATA: -    
  UN proper shipping name
    ADR/RID: Not dangerous goods
    IMDG: Not dangerous goods
    IATA:        Not dangerous goods    
  Transport hazard class(es)
    ADR/RID: -        IMDG: -        IATA: -    
  Packaging group
    ADR/RID: -        IMDG: -        IATA: -    
  Environmental hazards
    ADR/RID: no        IMDG Marine pollutant: no        IATA: no    
  Special precautions for user
    no data available



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
Water Suppliers
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China Hainan Haikou
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China
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China Zhejiang Jinhua
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