1.2 Propylene glycol

1,2-Propylene Glycol (C₃H₈O₂), also known as propylene glycol or PG, is a synthetic organic compound belonging to the glycol family. It is a colorless, odorless, viscous liquid with excellent solvent properties and low toxicity, making it widely used in food, pharmaceutical, and industrial applications.
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Product Parameters

Product Name (English)1,2-Propylene Glycol
CAS No.57-55-6
Physical Properties- Colorless, viscous liquid with faint odor
- Hygroscopic and miscible with water
- Low volatility and high boiling point
- Density: 1.036 g/mL at 20°C
Applications- Humectant in food, cosmetics and pharmaceuticals
- Antifreeze and deicing fluid
- Solvent for flavors, fragrances and dyes
- Chemical intermediate for resins and plastics
- Carrier in industrial applications
SpecificationsPurity: ≥99.5%
Water content: ≤0.2%
Color (APHA): ≤10
Packaging200 kg/drum (HDPE)
IsoTank (20,000 L)

Basic Properties

  1. Physical Properties:

    • Appearance: Colorless, clear viscous liquid

    • Odor: Essentially odorless

    • Boiling Point: 188.2°C

    • Melting Point: -59°C

    • Flash Point: 99°C (closed cup)

    • Refractive Index: 1.432 at 20°C

  2. Chemical Properties:

    • Diol with two hydroxyl groups

    • Highly hygroscopic

    • Miscible with water and many organic solvents

    • Chemically stable under normal conditions


Main Applications

  1. Food Industry: Humectant, solvent, and preservative in food products

  2. Pharmaceuticals: Excipient in drugs, solvent for APIs, and humectant

  3. Cosmetics: Moisturizer and solvent in personal care products

  4. Industrial: Antifreeze, deicing fluid, and hydraulic fluid

  5. Chemical Intermediate: For production of unsaturated polyester resins


Safety Precautions

  1. Flammability:

    • Combustible liquid, flash point 99°C

    • Keep away from heat and ignition sources

  2. Health Hazards:

    • Low toxicity, LD50 (oral, rat): 20,000 mg/kg

    • May cause mild eye and skin irritation

    • Generally recognized as safe (GRAS) by FDA

  3. Protective Measures:

    • Wear gloves and safety glasses

    • Use in well-ventilated areas

    • Avoid prolonged skin contact


Company Profile

Junteng Chemical is a professional chemical raw materials trading company dedicated to providing customers with one-stop procurement services. Through strict supplier, supply chain, and after-sales management, the company ensures that product quality, transportation, and use meet customer needs. Furthermore, the company's technical team offers customized solutions and support services free of charge.

 

The company has projects in the pharmaceutical, pesticide, petrochemical, construction, food additives, wastewater treatment, adhesives, inks, paints, coatings, plastic and rubber processing, detergent raw materials, fertilizer and textile mills, and more. Junteng Chemical sources products of stable and reliable quality, collaborating with domestic and international companies such as Luxi Group, Weiyuan Chemical, Qilu Petrochemical, Dongying Lihuayi, Yanshan Petrochemical, Sinopec, Shijiazhuang Refinery, Qingdao Petrochemical, Sailboat, Dow Chemical, BASF, South Korea, Taiwan, and Saudi Arabia. Our stable supply, superior product quality, and mature logistics have earned us a wide clientele. We look forward to collaborating with all of you for a mutually beneficial future.

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Company advantages

1

One-Stop Procurement
Platform

We integrate resources across all productcategories, including organic solvents,resins and rubbers, and inorganicchemicals,and strictly control suppliers.supply chains, and after-sales processes toensure stable quality, efficienttransportation,and worry-free use,simplifying your procurement process.

2

Professional Team TechnicalEmpowerment

Equipped with an experienced technicalteam, we provide free personalizedsolutions and professional technicalsupport to customers in varlous industrie,such as pharmaceuticals, petrochemicals,coatings and inks, and sewage treatment,.helping you solve problems and improveefficiency.

3

Global supply ChainSecurity

We work with top domestic and foreignchemical giants such as Luxi Group, QiluPetrochemical, Sinopec, BASF of Germany,and Dow of the United States to establisha stable and reliable high-quality supplynetwork and a mature logistics system toensure timely and safe delivery of
products.

4

Deep Win-Win CooperationConcept

Adhering to the concept of "integrity.immediate action, professionalism,innovation and win-win" and taking"customer success and altruism" as ourmission, we are committed to establishinglong-term strategic partnerships andcreating a better future through excellentproducts and services.

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