Product
Supplier
Encyclopedia
Inquiry
Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > Phthalaldehyde for Sale > Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde
Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde buy - large image1
Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde buy - image1
Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde buy - image2
Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde buy - image3
Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde buy - image4
Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde buy - image5
Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde buy - image6

Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde

TDS 4 Inquiries

Unit Price: Get Latest Price
CAS No.:

643-79-8

Grade:

Pharmaceutical Grade

Content:

99.9%

Port:

Shanghai

Brand:

CHENLI

Packaging:

1kg,25kg/drum

Price valid (until):

2025-07-06

Company Type:
Trader
Location:
China
Qualification:
Main Products:

Fine chemicals and intermediates

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde



    Contact :            May
    Tel/Whatsapp:  +86 15713826440
    Telegram:          +86 15713826440
    Email:                 may@chenlichem.com


    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 1


      Product Detail  


    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 2

    Basic information

    Common Name o-Phthalaldehyde
    CAS Number 643-79-8 Molecular Weight 134.132
    Density 1.2±0.1 g/cm3 Boiling Point 266.1±23.0 °C at 760 mmHg
    Molecular Formula C8H6O2 Melting Point 55-58 °C(lit.)
    MSDS ChineseUSA Flash Point 98.5±19.6 °C


    Chemical & Physical Properties

    Density 1.2±0.1 g/cm3
    Boiling Point 266.1±23.0 °C at 760 mmHg
    Melting Point 55-58 °C(lit.)
    Molecular Formula C8H6O2
    Molecular Weight 134.132
    Flash Point 98.5±19.6 °C
    Exact Mass 134.036774
    PSA 34.14
    LogP 0.51
    Vapour Pressure 0.0±0.5 mmHg at 25°C
    Index of Refraction 1.623
    Storage condition 2-8°C
    Stability Stable. Air sensitive. Incompatible with strong oxidizing agents, strong bases.
    Water Solubility soluble


    Product description
    Gallic acid (GA) is a component of hydrolyzable tannins, also known as gallic acid, and its chemical name is 3,4,5-trihydroxybenzoic acid. The content of gallic acid in Yunnan Pu'er tea is relatively high, and it has various biological effects such as antibacterial, anti-inflammatory, anti-tumor, and anti-mutation.

    Application

    Uses: 1. Preparation of phthalic acid disinfectant.

    2. Chemical analysis reagent: As an amine alkaloid reagent, it is used for the fluorescence determination of primary amines and peptide bond decomposition products.

    3. Fluorescence reagent, used for pre-column HPLC separation of amino acid derivatives and flow cytometric measurement of protein thiol groups.

    Loading, unloading and storage

    Storage conditions of o-phthalaldehyde:

    The goods should be sealed and light-proof, and stored in a dry, cool and well-ventilated place. Storage conditions for special products are treated differently.

    Is it spot: Our products are spot

    When to ship: The payment is received before 3 o'clock on the same day or the next day, and the payment is received on the second or third day after 3 o'clock.

    Logistics issues:

    Samples are transported by express delivery, and large goods are transported by logistics and sea transportation.

    Is the quality guaranteed: Our company generally signs a purchase and sales contract when purchasing goods, and provides product test reports with the goods. If the customer has requirements for the product, the customer will first check the product indicators.

    About product packaging:

    The general standard packaging is 25KG cardboard barrel packaging. If you have special requirements for the product, you can contact us.


      Product Pictures  


    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 3

    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 4

    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 5

    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 6


      Product Packing Detail 


    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 7

    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 8


    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 9 Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 10


      About Us 


      Henan Chenli Biotechnology Co., LTD. (formerly Henan Chenhui Machinery Co., LTD.) was established in 2009. It is one of the large chemical raw materials manufacturers such as Daily chemical industry,food, cosmetics, feed additives and amino acids. The companys mainstream products are mercaptans, thioether, bromine, amino acid products, benzofuranone, o-chlorobenzamide, phthalaldehyde and other pharmaceutical and pesticide intermediates, and specializes in chemical raw materials, additives (fragrances, paints, ink, plastics, food chemical, daily chemical, feed) intermediates and other industries.

    Chenli Biotech now has two production bases in Zhengzhou Economic Development Zone in Henan Province and Linyi Economic and Technological Development Zone in Shandong Province. The factory covers a total area of more than 100,000 square meters, the total investment scale of 30 million , the company has more than 200 employees, of which about 30% are professional and technical personnel. The factory is fully built in accordance with GMP requirements and is equipped with standard laboratories. The laboratory is equipped with spectrophotometer, gas chromatograph, liquid chromatograph and other precision analytical instruments, to ensure that our products fully comply with AJI, USP, FCC, CP, EP and other quality standards.

    Our company is a medium-sized chemical enterprise integrating R & D, production and operation, with a high-quality R & D team and an experienced management team. Currently, the company has synthetic extraction technology of multi-chemical products, and has large production lines such as mercaptan, thioether and bromine series. and the leading products are arbutin, -arbutin, kojic dipalmitic acid, vitamin C derivatives, sucrose octaacetate, Isooctyl mercaptoacetate, octadecyl mercaptan and other mercaptan series, di-sec-butyldisulfide and other sulfur ether series, bromo-octadecane and other bromo-octadecane, chlorododecane and other chlorine series, thiocarboxylic acid and its derivatives series, 2-ethylbutyric acid and its derivatives, alkyl phosphonic acid and other series products. Mainly used in rubber and plastic additives, food, medicine, pesticides, spices, metal surface treatment and polymer materials. After more than 20 years of development, it has formed several series products such as fine chemical intermediates, pharmaceutical and pesticide intermediates. Products are exported to Asia, Europe, America and other countries and regions, with a high degree of credibility and competitiveness. The company has obtained environmental protection, safety, product and other qualification certification.

    Shop Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde-Detailed Image 11



      FAQ 


    What are our service and advantages ?
    We can supply high quality products and first-class service for our clients.

    Now, we can offer best service for our clients.  And more advantages as below.

    1.  We can supply sample for testing

    2.  We work with DHL, FedEx, TNT, UPS, HKEMS established long-term stable cooperative relationship!  If the parcel was loss,we will reship for free

    3.Payment: TT,PayPal,West Union,USDT,BTC,30-90 days BL

    4. If you want new products,we can synthesis it for your and secret.

    5. Higher purity with lower price and first -class service

    6. Manufacturer: total output more than 10% of the Nationwide, market share more than 15%

    7. High quality: The world''s top production equipment, high precision of the manufacturing process

    8. Low price:The most advanced production equipment and the most cheap raw materials

    9. Safe transport channel:We have a professional transport team to ensure the goods safety and on time arrived your hand.

    10.10 years quality guarantee:Ten years gold medal quality assurance,perfect after-sales service and first-class technical team,Let you easy shopping。

    We are southeast Asia''s Chemical suppliers, we have hundreds of chemical.

    Certificates
    • Manufacture supply : OPA cas 643-79-8 O-Phthalaldehyde Disinfectant Chemical Phthalaldehyde Certificates 1

    Basic Info
    Product Name:

    Phthalaldehyde

    Other Name:

    1,2-Benzenedicarboxaldehyde;Phthalaldehyde;o-Phthalaldehyde;o-Phthaldialdehyde;Phthalic aldehyde;Phthalic dialdehyde;Phthalyldicarboxaldehyde;2-Formylbenzaldehyde;Benzene-1,2-dicarbaldehyde;o-Phthalic dialdehyde;1,2-Diformylbenzene;o-Diformylbenzene;CIDEX OPA;OP 100S;OP 100SF;1,2-Phthalaldehyde;o-Benzenedicarbaldehyde;NSC 13394;Phtharal;2-Phthalaldehyde;1,2-Formylbenzene

    CAS No.:

    643-79-8

    Molecular Formula:

    C8H6O2

    InChIKeys:

    InChIKey=ZWLUXSQADUDCSB-UHFFFAOYSA-N

    Molecular Weight:

    134.13

    Exact Mass:

    134.13

    BRN:

    878317

    EC Number:

    211-402-2

    UNII:

    4P8QP9768A

    ICSC Number:

    1784

    NSC Number:

    13394

    UN Number:

    2923

    DSSTox ID:

    DTXSID6032514

    Color/Form:

    Long, pale yellow needles from petroleum ether (MP 56-56.5 °C). Also reported as colorless powder (MP: 54 °C)|Yellow needles or crystals from ligroin

    HScode:

    29122900

    Characteristics
    PSA:

    34.1

    XLogP3:

    1.2

    Appearance:

    yellow powder

    Density:

    1.2±0.1 g/cm3

    Melting Point:

    55-56 °C

    Boiling Point:

    83-84 °C (0.7501 mmHg)

    Flash Point:

    >230 °F

    Refractive Index:

    1.623

    Water Solubility:

    H2O: soluble

    Storage Conditions:

    2-8°C

    Vapor Pressure:

    0.0052 mm Hg at 21 °C (0.69 Pa)

    Vapor Density:

    Relative vapor density (air = 1): 4.6

    Toxicity:

    LD50 orally in Rabbit: 178 mg/kg LD50 dermal Rat > 2000 mg/kg

    Henrys Law Constant:

    Henry's Law constant = 1.8X10-8 atm-cu m/mol at 25 °C (est)

    Experimental Properties:

    Hydroxyl radical reaction rate constant = 2.30X10-11 cu cm/molec-sec at 25 °C)

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 3, Oral

    Skin corrosion, Category 1

    Skin sensitization, Sub-category 1A

    Serious eye damage, Category 1

    Specific target organ toxicity – single exposure, Category 3

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

    Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H301 Toxic if swallowed

    H314 Causes severe skin burns and eye damage

    H317 May cause an allergic skin reaction

    H318 Causes serious eye damage

    H335 May cause respiratory irritation

    H400 Very toxic to aquatic life

    H410 Very toxic to aquatic life with long lasting effects

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

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

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

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P272 Contaminated work clothing should not be allowed out of the workplace.

    P271 Use only outdoors or in a well-ventilated area.

    P273 Avoid release to the environment.

    Response

    P301+P316 IF SWALLOWED: Get emergency medical help immediately.

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

    P330 Rinse mouth.

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

    P363 Wash contaminated clothing before reuse.

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

    P316 Get emergency medical help immediately.

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

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P333+P317 If skin irritation or rash occurs: Get medical help.

    P362+P364 Take off contaminated clothing and wash it before reuse.

    P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

    P317 Get medical help.

    P319 Get medical help if you feel unwell.

    P391 Collect spillage.

    Storage

    P405 Store locked up.

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.

    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 Storage

    Precautions 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

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Fine chemicals and intermediates

    Location:

    No. 16, Bosong Road, Dongfeng Road Street, Jinshui District, Zhengzhou City

    Payment Terms:

    TT against copy of documents,D/P,L/C,O/A,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    10

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    11-50

    Year of Establishment:

    2023

  • Inquiry History
    4 Inquiries
    Country Product Purchase Quantity Date Posted
    Zimbabwe

    Opa 99% Ortho Phthalaldehyde Powder 643-79-8 O-Phthalaldehyde

    5 KG Mar 4, 2026
    India

    Phthalaldehyde

    10.00 MT Feb 18, 2024
    Zimbabwe

    Opa 99% Ortho Phthalaldehyde Powder

    5 KG Mar 5, 2026
    Namibia

    o-Phthalaldehyde OPA 99% Yellowish crystal 643-79-8 FinerChem

    25 G Dec 4, 2024
    Post an enquiry for this product
pic ×

Scan the QR Code to Share

All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.

According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.

The information shown above is provided by the enterprise itself, and the authenticity, accuracy and legitimacy of the content are the responsibility of the publishing company. ECHEMI does not bear any guarantee responsibility for this. Please be aware that risks in internet transactions objectively exist.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.