1,3-Propanediol CAS#504-63-2

1,3-Propanediol CAS#504-63-2

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Key Raw Material for PTT Production – 1,3-Propanediol (PDO) is essential for producing polytrimethylene terephthalate, a next-generation polyester.

Excellent Chemical Stability – PTT derived from PDO combines the chemical stability of traditional PET, ensuring durability and long-term performance.

High Resilience – Fabrics made from PTT exhibit superior elasticity and shape retention, enhancing textile quality.

Anti-Pollution Properties – PTT resists stains and environmental pollutants, making it suitable for advanced textile applications.
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Product Description

Melting point

-27 °C (lit.)

Boiling point

214 °C/760 mmHg (lit.)

Density

1.053 g/mL at 25 °C (lit.)

Vapor pressure

0.8 mm Hg ( 20 °C)

Refractive index

n20/D 1.440(lit.)

FEMA

4753 | 1,3-PROPANEDIOL

Fp

>230 °F

Storage temp

Store below +30°C.

Solubility

H2O: soluble

Pka

14.46±0.10(Predicted)

Form

Oily Liquid

Color

Clear

PH

4.5-7.0 (100g/l, H2O, 20℃)

Explosive limit

2.5%(V)

Water Solubility

100 g/L

Merck

14,9714

BRN

969155

Dielectric constant

35.0(20℃)

InChIKey

YPFDHNVEDLHUCE-UHFFFAOYSA-N

LogP

-0.71 at 20℃

CAS DataBase Reference

504-63-2(CAS DataBase Reference)

NIST Chemistry Reference

1,3-Propanediol(504-63-2)

EPA Substance Registry System

1,3-Propanediol (504-63-2)

Safety Information

Hazard Codes

Xi

Risk Statements

38

Safety Statements

23-24/25

WGK Germany

1

RTECS

TY2010000

Autoignition Temperature

405 °C

TSCA

Yes

HS Code

29053980

Hazardous Substances Data

504-63-2(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: 15670 mg/kg LD50 dermal Rabbit > 20000 mg/kg


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