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  • N,N-DIMETHYL-P-TOLUIDINE Factory CAS 99-97-8  Free Sample EINECS: 202-805-4 china in stock factory best top 1

    N,N-DIMETHYL-P-TOLUIDINE Factory CAS 99-97-8 Free Sample EINECS: 202-805-4 china in stock factory best top 1

    4,N,N-Trimethylaniline is a tertiary amine which, in the presence of tert-butyl peroxide, is capable of iron formation with phenylacetylene and benzamide. catalyzed C-C oxidative coupling reactions to produce N,4-dimethyl-N-(3-), respectively. phenylprop-2-ynyl)benzenamine and N-(methyl(p-tolyl)amino)benzenamine ) methylbenzamide.
  • in stock china  top 1 N,N-Dimethylaniline for synthesis. CAS 121-69-7, EC Number 204-493-5, chemical formula C8H11N

    in stock china top 1 N,N-Dimethylaniline for synthesis. CAS 121-69-7, EC Number 204-493-5, chemical formula C8H11N

    N, N-Dimethylaniline (DMA)
    CAS NO. 121-69-7
    N,N-dimethylaniline, also known as N,N-dimethylaniline, dimethylaminobenzene and dimethylaniline. It is a yellow oily liquid, insoluble in water, soluble in ethanol, ether. Mainly used as dye intermediates, solvents, stabilizers, analytical reagents.
    Application
    As curing agent for epoxy resin, as intermediate for organic synthesis, used in the preparation of quatemary amine, dehydrogenation catalyst, preservative and neutralizing agent.
  • Supply 2-Amino-4 8-naphthalenedisulfonic acid (Amino C acid) cas:131-27-1 1.Specification for Supply 2-Amino-4 8-naphthalenedisulfonic acid (Amino C acid) cas:131-27-1

    Supply 2-Amino-4 8-naphthalenedisulfonic acid (Amino C acid) cas:131-27-1 1.Specification for Supply 2-Amino-4 8-naphthalenedisulfonic acid (Amino C acid) cas:131-27-1

    Free sample factory price vitamin c powder ascorbic acid food grade powder
    Supply 2-Amino-4 8-naphthalenedisulfonic acid (Amino C acid) cas:131-27-1
    3-aminonaphthalene-1,5-disulphonic acid 131-27-1 good supplier
    Supply 2-Amino-4 8-naphthalenedisulfonic acid (Amino C acid) cas:131-27-1
    1.Specification for Supply 2-Amino-4 8-naphthalenedisulfonic acid (Amino C acid) cas:131-27-1
    Chemical Name: 2-Amino-4 8-naphthalenedisulfonic acid
    Chemical Structure:
    CAS No.: 131-27-1
    Molecular Fomula:C10H9NO6S2
    Molecular weight: 303.31
    Appearance: White to Grey powder
    Assay: 70%min
    Supply 2-Amino-4 8-naphthalenedisulfonic acid (Amino C acid) cas:131-27-1 Typical Properties
  • china  Factory supply H acid; 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid cas 90-20-0 chemical high quality

    china Factory supply H acid; 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid cas 90-20-0 chemical high quality

    A chemical substance mainly used to produce more than 90 kinds of acid, direct and reactive dyes, such as acid fuchsin 6B, acid scarlet G, acid black 10B, direct black, reactive brilliant red K-2BP, reactive violet KMY 3R, reactive soluble blue KMY R, etc. These dyes are used for dyeing wool and cotton fabrics. It can also be used in the production of drugs.
    It is brownish red in interaction with ferric chloride solution. The acid salt has a bluish red fluorescence, which turns red-purple when alkali is added.H acid products are generally in paste or powder form.
  • Hot sale Glacial Acetic Acid 99.9% Sale of 99% glacial acetic acid for the construction industry  cheap glacial acetic acid 99.85% 25

    Hot sale Glacial Acetic Acid 99.9% Sale of 99% glacial acetic acid for the construction industry cheap glacial acetic acid 99.85% 25

    Product name: Acetic Acid Glacial
    Molecular formula: CH3COOH
    Appearance: Colourless transparent liquid; Pungent odor,miscible with water,alcohol,ether and carbon tetrachloride; insoluble in carbon disulfide.
    Glacial Acetic Acid/ Acetic Acid Industry Grade
    Application
    It is mainly used in manufacturing of vinyl acetate, acetic anhydride, diketen, acetate, ethylcellulose and chloro acetic acid.
    It can also be used in the field of synthetic fiber,binding agent,pharmacy,fertilizer and dyeing raw material and in the field
    of plastic, rubber and printing as soluant.
  • Resorcinol CAS: 108-46-3 in stock best supply factory made in china top 1

    Resorcinol CAS: 108-46-3 in stock best supply factory made in china top 1

    APPLICATION: Resorcinol is an important raw material of organic synthesis, mainly used for rubber adhesive, analytical reagent, preservative, medicine, dye, synthetic resin and other raw materials.
    esorcinol manufacturer cas 108-46-3
    1,High putiry good quality with pretty competitive price

    2,Safety and fast shipment by sea/by air/by express

    3,Delivery time will be within 12 hours

    4,Convenient pay meny terms by TT/Western union /Moneygram/Bitcoin,etc
  • in stock low price  Professional Supplier 4-(Ethylsulfurate sulfonyl)aniline 2494-89-5

    in stock low price Professional Supplier 4-(Ethylsulfurate sulfonyl)aniline 2494-89-5

    ♦ Professional service team

    1. Nearly 20 years factory experience.

    2. Alibaba gold supplier with Trade Assurance supported.

    3. Skilled production lines to make sure your project with excellent quality in very short time.

    4. Customers can easily reach us rapidly (Reply inquiry in 2 hours).

    5. Free sample, small order are available.

    6. Provide product analysis report before shipping.
  • Professional Supplier Resorcinol 108-46-3

    Professional Supplier Resorcinol 108-46-3

    White needle crystal.Pink and sweet when exposed to light and air or on contact with iron.
    Melting point is 108 ℃
    Boiling point 280.8 ℃
    Relative density 1.2717
    Flash point is 127 ℃
    Soluble in water, ethanol, amyl alcohol, easily soluble in ether, glycerin, slightly soluble in chloroform, carbon disulfide, slightly soluble in benzene.
  • Glacial acetic acid technical grade 99.9% / Food grade 99.9% Sale of 99% glacial acetic acid for the construction industry

    Glacial acetic acid technical grade 99.9% / Food grade 99.9% Sale of 99% glacial acetic acid for the construction industry

    Product name: Acetic Acid Glacial
    Molecular formula: CH3COOH
    Appearance: Colourless transparent liquid; Pungent odor,miscible with water,alcohol,ether and carbon tetrachloride; insoluble in carbon disulfide.
    Glacial Acetic Acid/ Acetic Acid Industry Grade
    Application
    It is mainly used in manufacturing of vinyl acetate, acetic anhydride, diketen, acetate, ethylcellulose and chloro acetic acid.
    It can also be used in the field of synthetic fiber,binding agent,pharmacy,fertilizer and dyeing raw material and in the field
    of plastic, rubber and printing as soluant.
    Store
    Store in a cool place and out of direct sunlight. Store in well-ventilated area. Store away from combustible material such as alkali substances and food stuffs. Store away from source of heat. Keep dry-reacts with water. Ensure that pallets are clean and free from grease, keep containers closed at all times-check regularly for spills. Do not return spilled material to original container.
  • high purity 99% min K acid chemical lab supplies CAS No.118-03-6 K acid made in China manufacture Yellow powder

    high purity 99% min K acid chemical lab supplies CAS No.118-03-6 K acid made in China manufacture Yellow powder

    K Acid
    2-aminonaphthalene-3,6,8-trisulphonic acid
    Molecular: C10H9NO9S3
    CAS: 118-03-6 EINECS:204-229-9
    Application:
    Mainly used in the preparation of chemical raw materials for azo reactive dyes, acid dyes and organic pigments, Mainly used in the preparation of chemical raw materials for azo reactive dyes, acid dyes and organic pigments
    Physicochemical properties:
    Appearance White or brown powder
    Purity 99%
    Storage condition Store in a cool, ventilated warehouse
    Melting Point 140-143°C(lit.)
    Flash Point >230 °F
    Density 1.974 g/cm3
    Refractive index 1.748

  • J acid ( 2-Amino-5-naphthol-7-sulfonic Acid ) CAS 87-02-5 EINECS No.: 201-718-9 best top 1 factory lowest price

    J acid ( 2-Amino-5-naphthol-7-sulfonic Acid ) CAS 87-02-5 EINECS No.: 201-718-9 best top 1 factory lowest price

    J acid (2-amino-5-naphthol-7-sulfonic acid) is an important dye intermediate for the manufacture of azo dyes and can be used in the manufacture of Double J acid, scarlet acid and phenyl J acid, etc.
    Application: Dyestuff Intermediates
    Appearance: light yellow powder
  • top 1 factory High quality 2-Ethylaminotoluene;N-Ethyl-o-toluidine;CAS:94-68-8now on sale on 30% Discount

    top 1 factory High quality 2-Ethylaminotoluene;N-Ethyl-o-toluidine;CAS:94-68-8now on sale on 30% Discount

    High quality 2-Ethylaminotoluene;N-Ethyl-o-toluidine;CAS:94-68-8
    J Acid Urea now on sale on 30% Discount
    INDEXTYPE DRY POWDER
    APPEARANCE GREY-WHITE POWDER
    CONTENT 80% MIN.
    FREE J ACID 0.2% MAX.(HPLC)
    INSOLUBLE MATTER 0.2% MAX.
    CHLORIDE 5% MAX.
    Product packaging
    Normally we packed the goods 25kgs/drum. We also accept customized packing.Such as 1kg, 5kg, 10kg,25Kg/barrel,etc.
    Generally, the chemical will be packed in sealed plastic barrels OR bags, and then be locked into pallets or fixed by iron frames.

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