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Product Line: Agrochemicals

1,2-Propanediol

CAS 57-55-6

Molecular structure of 1,2-Propanediol

CAS · 57-55-6

01

Product Overview

1,2-Propanediol is a high-purity bactericides supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance: Clear, Colorless
PG content: 99.8% min
EG content: 50ppm max
DEG content: 50ppm max
Color: 10 Hazen max
Specific Gravity (25℃): 1.035–1.037
Specific Gravity (20℃): 1.037–1.039
Water Content: 0.1% max
Residue on ignition: 70ppm max
Acidity: 0.01ml max
Chloride: 70ppm max
Sulfate: 60ppm max
Heavy Metals as Pb: 5ppm max
Fe: 0.5ppm max
IBP: 183
DP: 189
03

Applications

 

🏭 1. Industrial Solvent

Widely used as a solvent in the manufacture of:

Paints and coatings

Resins and plastics

Hydraulic fluids

Antifreeze formulations

🧪 2. Chemical Intermediate

Precursor in the production of:

Unsaturated polyester resins (UPRs)

Plasticizers

Surfactants

🍬 3. Food Industry (USP Grade)

Used as a humectant, solvent, and preservative in:

Baked goods

Beverages

Ice cream

Flavorings

💄 4. Pharmaceuticals & Cosmetics

Functions as:

Skin-conditioning agent

Solvent for oral, topical, and injectable formulations

Carrier in creams, gels, and lotions

💉 5. Drug Formulation

In IV drugs and vaccines as a carrier and stabilizer

🧊 6. Antifreeze and Deicing Solutions

Used in non-toxic antifreeze solutions (safer alternative to ethylene glycol)

De-icing fluids for aircraft

04

Benefits

 

✅ Low Toxicity

– Recognized as safe (GRAS) for food and pharmaceutical use by the FDA and WHO.

✅ Hygroscopicity

– Helps retain moisture, which is vital in foods, cosmetics, and skin-care products.

✅ Solubility

– Excellent solvent for both polar and non-polar compounds.

✅ Stability

– Chemically stable and compatible with many ingredients and materials.

✅ Versatility

– Functions across diverse industries, from chemical manufacturing to consumer care.

05

Conclusion

1,2-Propanediol (Propylene Glycol) is a safe, versatile, and essential compound used in industrial manufacturing, food processing, personal care, and pharmaceuticals. Its combination of solvency, safety, and compatibility makes it a vital ingredient across many sectors.

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