Through years of hard work, we now have a strong economic strength, a superb technical team and good after-sales service. We have not only achieved a good reputation in the Valeric Anhydride, Pivalic Anhydride, Heptanoic Anhydride market, but also won a large number of partners. With the spirit of "integrity, unity, pragmatism and innovation", we create a new platform of quality talents in the field of anhydride. We insist on the enterprise spirit of "integrity, professionalism, truthfulness and innovation" to promote effective communication inside and outside the company. Our company consists of R & D department, sales department, international trade department and after-sales service department. After several years of development, our products are sold all over the country and exported overseas with excellent quality, superb technology, and perfect service. We always adhere to the corporate purpose and promote the core values of customer centricity, professional focus and continuous improvement. We continue to expand sales, expand production, reduce costs, improve service levels to meet market demand. With a rapid advancement and our buyers come from many countries in the world.
  • CAS 108-30-5
    Appearance: White or light Yellow flakes. Assay: 99. Melting Point: 116-120. Residue On Ignition: 0.1. Heavy Metal: 15
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  • Succinic Anhydride CAS 108-30-5
    Appearance: White flakes.Purity (Assay): ≥ 99.0% (Industrial Grade) / ≥ 99.5% (Pharmaceutical Grade) / ≥ 99.9% (Electronic Grade).Melting Point: 117.0 - 120.0 °C.Boiling Point: 260 - 262 °C.
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  • Anhydride Succinic
    Purity: ≥ 99.5% (Industrial Grade available). Appearance: White flakes or crystalline powder. Melting Point: 117-120 °C. Boiling Point: 260-262 °C. Molecular Weight: 100.07 g/mol
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  • Pivalic Anhydride
    Purity: ≥ 99%. Boiling Point: 193°C (lit.). Density: 0.918 g/mL at 25°C (lit.). Refractive Index: 1.4070-1.4110. Flash Point: 63°C (145°F)
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  • Valeric Anhydride
    Appearance: Colorless to light yellow transparent liquid. Purity (GC): ≥ 98.5.0%. Boiling Point: 228-230 °C (lit.). Density: 0.944 g/mL at 20 °C (lit.). Flash Point: > 101 °C (214 °F)
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  • Heptanoic Anhydride
    CAS No.: 626-27-7. Purity: ≥99.0%. Appearance: Colorless to light yellow oily liquid. Molecular Weight: 242.32 g/mol. Density: 0.92 g/mL at 25°C
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  • Octenylsuccinic Anhydride
    Appearance: Clear, colorless to light yellow liquid. Purity (OSA content): ≥ 99%. Total Acid Number: 520 – 536 mg KOH/g. Free Maleic Anhydride: ≤ 0.25%. Viscosity: ≤ 45 mPa·s (25°C)
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Acid Anhydride - an overview | ScienceDirect Topics...

Thus, anhydride reagents may be used to both block functional groups and to convert an existing functional group into a carboxylic acid. (Reaction 3.14). Protein functional groups able to react with...

Anhydride Definition & Meaning - Merriam-Webster...

Sep 15, 2020 · anhydride: [noun] a compound derived from another (such as an acid) by removal of the elements of water....

Anhydride - Introduction, Importance, Preparation, Reactions, and ......

The anhydride is the chemical compound which is obtained, either in principle or in practice, by the elimination of water from any other compound. An example of inorganic anhydrides is...

Anhydrides - Chemistry LibreTexts...

An acid anhydride is an organic compound that has two acyl groups bound to the same oxygen atom. Nomenclature of Anhydrides. Properties of Anhydrides. Reactivity of Anhydrides. Synthesis of...

Acetic Anhydride | (CH3CO)2O - PubChem...

Acetic Anhydride | (CH3CO)2O or C4H6O3 | CID 7918 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological ......

Acid Anhydrides- Definition and Meaning of Acid …...

Anhydride reacts with water to produce either base or an acid. Acid Anhydrides – Definition & Meaning. An Acid anhydride can be defined as a non-metal oxide which forms an acidic solution when...

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