Basic information
- Name:
Dipropylene glycol
- CAS No.:
25265-71-8
- Molecular Structure:
- Formula:
- C6H14O3
- Molecular Weight:
- 134.20
- Deleted CAS:
- 25322-23-0|27941-90-8|27941-91-9|28678-26-4|30370-61-7|75047-14-2|78644-49-2
- Synonyms:
- Dipropyleneglycol (6CI);ADK DPG-RF;Propanol, oxybis-;
- EINECS:
- 246-770-3
- Density:
- 1.04 g/cm3
- Boiling Point:
- 230.5 °C at 760 mmHg
- Flash Point:
- 137.8 °C
- Solubility:
- miscible with water
- Appearance:
- colourless liquid
- Safety Description:
- 23-24/25 Details
- Transport Information:
- 2810
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Chemistry
The Molecular Structure of Dipropylene glycol (CAS NO.25265-71-8):
Empirical Formula: C6H14O3
Molecular Weight: 134.1736
IUPAC Name: 3-(3-hydroxypropoxy)propan-1-ol
Appearance: colourless liquid
Nominal Mass: 134 Da
Average Mass: 134.1736 Da
Monoisotopic Mass: 134.094294 Da
Index of Refraction: 1.45
Molar Refractivity: 34.66 cm3
Molar Volume: 128.9 cm3
Surface Tension: 39.8 dyne/cm
Density: 1.04 g/cm3
Flash Point: 113.5 °C
Enthalpy of Vaporization: 58.29 kJ/mol
Boiling Point: 264 °C at 760 mmHg
Vapour Pressure: 0.00139 mmHg at 25°C
Sensitive: Hygroscopic
Stability: Stable. Combustible. Incompatible with strong oxidizing agents
log P (octanol-water): -1.070
Water Solubility: 1.00E+06 mg/L
Vapor Pressure: 0.0319 mm Hg at 25°C
Henry's Law Constant: 5.63E-09 atm-m3/mole at 25°C
Atmospheric OH Rate Constant: 3.13E-11 cm3/molecule-sec at 25°C
InChI
InChI=1/C6H14O3/c7-3-1-5-9-6-2-4-8/h7-8H,1-6H2
Smiles
O(CCCO)CCCO
Synonyms: HSDB 2658 ; CCRIS 475 ; EINECS 246-770-3 ; HSDB 2658 ; Caswell No. 399E ; EPA Pesticide Chemical Code 068604
Uses
As a plasticizer, Dipropylene glycol (CAS NO.25265-71-8) have many uses,an itermediate in industrial chemical reactions, as a polymerization initiator or monomer, and as a solvent. It is also an ideal additive for perfumes and skin and hair care products because of its low toxicity and solvent properties.
Toxicity Data With Reference
| 1. | orl-rat LD50:14,850 mg/kg | 34ZIAG Toxicology of Drugs and Chemicals ,Deichmann, W.B.,New York, NY.: Academic Press, Inc.,1969,731. | ||
| 2. | orl-uns LD50:15 g/kg | GISAAA Gigiena i Sanitariya. 39 (4)(1974),86. |
Low toxicity by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Safety Statements: 23-24/25
S23: Do not breathe vapour
S24/25: Avoid contact with skin and eyes
WGK Germany: 1
RTECS: UB8765000
HS Code: 29094919
Specification
Dipropylene glycol (CAS NO.25265-71-8) is also called as 1,1'-Oxybis(2-propanol) ; 4-Oxa-2,6-heptandiol ; Dipropylene glycol ; Dipropylene glycol (6CI) ; Dipropyleneglycol ; Dipropylenglykol ; Oxybispropanol ; Propanol, oxybis- .