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4-nitrophenol

CAS No.: 93628-02-5
Formula: C6H5NO3
Molecular Weight: 142.08700
Suppliers: All(0) China Suppliers(0) Products(0)
  • Description
  • Basic Info
  • MSDS
  • Price
What is 4-nitrophenol

**Introduction to 4-Nitrophenol** 4-Nitrophenol (4-NP, p-nitrophenol) is an organic compound with the molecular formula C₆H₅NO₃. It is a pale yellow crystalline solid widely used as an intermediate in pharmaceuticals, agrochemicals, dyes, and pesticide production. Its distinct properties, including its ability to act as a pH indicator (turning yellow in alkaline solutions), make it valuable in laboratory and industrial applications. 4-Nitrophenol is also a model compound in environmental studies due to its toxicity and persistence, often serving as a benchmark for pollutant degradation research. Proper handling is essential, as it poses health risks, including skin irritation and potential systemic effects. Its versatility and reactivity underscore its importance in chemical synthesis and research.

Preparation Process: To prepare **4-nitrophenol**, dissolve phenol (10 g) in glacial acetic acid (20 mL) and cool to 0–5°C. Slowly add a mixture of concentrated nitric acid (7 mL) and concentrated sulfuric acid (7 mL) dropwise while stirring, maintaining the temperature below 10°C. After addition, stir for 1 hour at room temperature. Pour the reaction mixture into ice-cold water (100 mL) to precipitate the product. Filter the yellow solid, wash with cold water, and recrystallize from hot water or ethanol to obtain pure 4-nitrophenol. Monitor the reaction by TLC (thin-layer chromatography) for completion.

Usage Scenarios: 4-Nitrophenol (4-NP) is widely used as an intermediate in the synthesis of pharmaceuticals, dyes, pesticides, and fungicides. It serves as a precursor for producing paracetamol (acetaminophen) and other analgesics. In the agrochemical industry, it is utilized to manufacture insecticides like methyl parathion. Additionally, 4-NP acts as a pH indicator, turning yellow in alkaline solutions. It is employed in organic synthesis for nitration and coupling reactions. In research, it serves as a model substrate for studying enzyme kinetics, particularly in assays involving hydrolases. Its derivatives are also used in leather treatment and as corrosion inhibitors. Due to its toxicity, proper handling is essential.

4-nitrophenol Basic Info
Chemical Name 4-nitrophenol
Synonyms 4-Nitrophenol-1,2,6-13C3;p-Nitrophenol-13C3;Niphen-13C3;p-Hydroxynitrobenzene-13C3;4-Hydroxynitrobenzene-13C3;4-Hydroxy-1-nitrobenzene-13C3;1-Hydroxy-4-nitrobenzene-13C3;
CAS No. 93628-02-5
Molecular Formula C6H5NO3
Molecular Weight 142.08700
PSA 66.05000
LogP 1.82360
4-nitrophenol Price
Here is a rough price range for 4-nitrophenol in the listed countries. Note that prices can vary based on purity, quantity, supplier, and market conditions. If no specific data is available, it is marked as "No results":

- **United States**: $50–$150 per kg
- **China**: $20–$80 per kg
- **Russia**: $30–$100 per kg
- **Germany**: $60–$160 per kg
- **India**: $25–$90 per kg
- **Japan**: $70–$180 per kg
- **Brazil**: $40–$120 per kg
- **South Korea**: $50–$140 per kg
- **Philippines**: No results
- **United Kingdom**: $60–$170 per kg
- **France**: $65–$175 per kg
- **Mexico**: $35–$110 per kg
- **Canada**: $55–$150 per kg
- **South Africa**: $30–$100 per kg
- **Egypt**: No results
- **Turkey**: $40–$120 per kg
- **Thailand**: $25–$90 per kg
- **Indonesia**: No results

These ranges are approximate and may not reflect current market conditions. For accurate pricing, consult suppliers or market reports.
MSDS
MSDS

Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
  Product identifiers
    Product name        : 4-Nitrophenol-1,2,6-13C3    
    CAS-No.        : 93628-02-5    
  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
  Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]
    Acute toxicity, Inhalation (Category 4)
    Acute toxicity, Dermal (Category 4)
    Acute toxicity, Oral (Category 4)
    Specific target organ toxicity - repeated exposure (Category 2)
  Classification according to EU Directives 67/548/EEC or 1999/45/EC
    Harmful by inhalation, in contact with skin and if swallowed. Danger of cumulative effects.
  Label elements
  Labelling according Regulation (EC) No 1272/2008 [CLP]
    Pictogram
    Signal word        Warning    
    Hazard statement(s)
    H302        Harmful if swallowed.    
    H312        Harmful in contact with skin.    
    H332        Harmful if inhaled.    
    H373        May cause damage to organs through prolonged or repeated exposure.    
    Precautionary statement(s)
    P280        Wear protective gloves/ protective clothing.    
    Supplemental Hazard        none    
    Statements
  According to European Directive 67/548/EEC as amended.
    Hazard symbol(s)
    R-phrase(s)
    R20/21/22        Harmful by inhalation, in contact with skin and if swallowed.    
    R33        Danger of cumulative effects.    
    S-phrase(s)
    S28        After contact with skin, wash immediately with plenty of soap and water.    
  Other hazards - none

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substances
    Formula        : 13C3C3H5    
    Molecular Weight        : 80,08 g/mol    
    Component        Concentration    
  4-Nitrophenol-1,2,6-13C3
    CAS-No.        93628-02-5        -    
    Index-No.        609-015-00-2    

Section 4. FIRST AID MEASURES
  Description of 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
    Flush eyes with water as a precaution.
  If swallowed
    Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
  Most important symptoms and effects, both acute and delayed
    Absorption into the body leads to the formation of methemoglobin which in sufficient concentration causes
    cyanosis. Onset may be delayed 2 to 4 hours or longer., Depending on the intensity and duration of
    exposure, effects may vary from mild irritation to severe destruction of tissue., Damage to the eyes.
  Indication of any immediate medical attention and special treatment needed
    no data available

Section 5. FIREFIGHTING MEASURES
  Extinguishing media
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special hazards arising from the substance or mixture
    Carbon oxides
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

Section 6. ACCIDENTAL RELEASE MEASURES
  Personal precautions, protective equipment and emergency procedures
    Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure
    adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
  Environmental precautions
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
  Methods and materials for containment and cleaning up
    Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
    containers for disposal.
  Reference to other sections
    For disposal see section 13.

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
    Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
    Provide appropriate exhaust ventilation at places where dust is formed.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
    Store under inert gas. hygroscopic
  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. Wash hands before breaks and
    at the end of workday.
  Personal protective equipment
  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
    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.
  Body Protection
    Complete suit protecting against chemicals, The type of protective equipment must be selected
    according to the concentration and amount of the dangerous substance at the specific workplace.
  Respiratory protection
    For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
    level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.
    Use respirators and components tested and approved under appropriate government standards
    such as NIOSH (US) or CEN (EU).

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Information on basic physical and chemical properties
    a) Appearance        Form: solid    
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        4,4 at 5 g/l at 24 °C    
    e) Melting point/freezing        Melting point/range: 113 - 115 °C    
    point        Melting point/range: 113 - 115 °C - lit.    
    f) Initial boiling point and no data available
    boiling range
    g) Flash point        169 °C - closed cup    
    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        9,2 hPa at 165 °C    
    0,8 hPa at 120 °C
    l) Vapour density        no data available    
    m) Relative density        1,479 g/cm3 at 20 °C    
    n) Water solubility        ca.15 g/l    
    o) Partition coefficient: n- log Pow: 1,91
    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
    Strong oxidizing agents
  Hazardous decomposition products
    Other 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
  Respiratory or skin sensitization
    no data available
  Germ cell mutagenicity
  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
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    May cause damage to organs through prolonged or repeated exposure.
  Aspiration hazard
    no data available
  Potential health effects
  Inhalation        Harmful if inhaled. May cause respiratory tract irritation.    
  Ingestion        Harmful if swallowed.    
  Skin        Harmful if absorbed through skin. May cause skin irritation.    
  Eyes        May cause eye irritation.    
  Signs and Symptoms of Exposure
    Absorption into the body leads to the formation of methemoglobin which in sufficient concentration causes
    cyanosis. Onset may be delayed 2 to 4 hours or longer., Depending on the intensity and duration of
    exposure, effects may vary from mild irritation to severe destruction of tissue., Damage to the eyes.
  Additional Information
    RTECS: Not available

Section 12. ECOLOGICAL INFORMATION
  Toxicity
    no data available
  Persistence and degradability
    no data available
  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
    Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material
    with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
  Contaminated packaging
    Dispose of as unused product.

Section 14. TRANSPORT INFORMATION
  UN number
    ADR/RID: 1663        IMDG: 1663        IATA: 1663    
  UN proper shipping name
    ADR/RID: NITROPHENOLS
    IMDG: NITROPHENOLS (o-, m-, p-)
    IATA:        Nitrophenols    
  Transport hazard class(es)
    ADR/RID: 6.1        IMDG: 6.1        IATA: 6.1    
  Packaging group
    ADR/RID: III        IMDG: III        IATA: III    
  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