Poly(propylene glycol) 3000
Poly propylene glycol
CAS: 25322-69-4
Molecular Formula: CH4
Poly(propylene glycol) 3000 - Names and Identifiers
Poly(propylene glycol) 3000 - Physico-chemical Properties
| Molecular Formula | CH4 |
| Molar Mass | 16.04246 |
| Density | 1.01g/mLat 20°C |
| Melting Point | -40 °C |
| Boling Point | >300 °C |
| Flash Point | 230 °C |
| Water Solubility | PRACTICALLY INSOLUBLE |
| Solubility | Insoluble in water. |
| Vapor Presure | <0.01 mm Hg ( 20 °C) |
| Vapor Density | >1 (vs air) |
| Appearance | Transparent liquid |
| Specific Gravity | 1.005 |
| Color | White to light gray |
| Storage Condition | Room Temprature |
| Stability | Stable. Substances to be avoided include strong oxidizing agents. |
| Refractive Index | n20/D 1.451 |
| MDL | MFCD00084446 |
| Physical and Chemical Properties | A colorless to yellowish viscous liquid. |
| Use | For Defoamers |
Poly(propylene glycol) 3000 - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 1 |
| RTECS | TR5250000 |
| TSCA | Yes |
| HS Code | 39072090 |
Poly(propylene glycol) 3000 - Upstream Downstream Industry
| Raw Materials | Propylene oxide |
Poly(propylene glycol) 3000 - Reference
| Reference Show more | 1. Liu Changjian, Liu Hongli, Han Xue, Li Yajing, Li Hongyan, Li Jing. Preparation and Properties of Eloshite Modified Polyether Sealant [J]. New chemical materials, 2021,49(03):252-255 260. 2. [IF = 5.582] Tu Jing et al."Highly stretchable, high efficiency room temperature self-healing polyurethane adhesive based on hydrogen bonds - applicable to solid rocket propellants." Polym Chem-Uk. 2021 Aug;12(31):4532-4545 3. [IF = 6.4] Lanju Wang et al."Development of a Point-of-Care Test Based on Selenium Nanoparticles for Heart-Type Fatty Acid-Binding Proteins in Human Plasma and Blood." Int J Nanomed. 2022; 17: 1273-1284 |
Poly(propylene glycol) 3000 - Reference Information
| LogP | 0.01 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | polypropylene glycol is a polymer with the molecular formula H(C3H6O)nOH, a colorless to light yellow viscous liquid. Not volatile. Non-corrosive. The molecular weight of general commodities is 400~2050. Lower molecular weight polymers are soluble in water. Higher molecular weight polymers are only slightly soluble in water, soluble in oils, many hydrocarbons, aliphatic alcohols, ketones, esters, etc. The hydroxyl groups at both ends of the molecule can be esterified to form monoesters or diesters. Its monoester is a non-ionic surfactant, and can also react with alcohol to form ether. It is a solvent for vegetable oil, resin and paraffin, and is also used to prepare alkyd resin, emulsifier, demulsifier, lubricating oil and plasticizer. It is obtained by condensation of propylene oxide and propylene glycol under high pressure or in the presence of an acidic catalyst. |
| use limit | for fermentation process, limited to GMP (GB 2760-96). |
| toxicity | LD50>10 g/kg (mouse, oral). mutagenicity test, Ames test, mouse bone marrow micronucleus test, mouse sperm aberration test, no abnormalities. Propylene glycol stimulation of rabbit corneal epithelium will produce temporary slight corneal congestion. If propylene glycol is washed with 50% aqueous solution for 5 minutes to remove propylene glycol, it will not cause any harm, but if it is stimulated with undiluted propylene glycol for 5 minutes, it will produce moderate reaction. |
| emergency operation | treatment method after contact: 1. inhalation: move to fresh air and rest. 2. Skin contact: remove contaminated clothes and rinse skin or shower with plenty of water. 3. eye contact: open your eyes, rinse with flowing water for 10 minutes, and then see a doctor. |
| use | defoamer; Solvents for vegetable oil, wax and resin. Used for eucalyptus sugar, beverages, candy, yeast, etc. Defoamer. Used in the production of yeast, monosodium glutamate, etc. The defoaming efficiency is several to dozens of times that of edible oil. |
| production method | glycerin and refined propylene oxide are polymerized under the catalysis of potassium hydroxide at a temperature of 90~95 ℃ and a pressure of 0.4 ~ 0.5MPa. Then cool to 60~70 ℃, press the material into a neutralization kettle, add water under stirring to neutralize excess potassium hydroxide, then add phosphoric acid at 60~70 ℃ to neutralize to pH 6~7, then slowly raise the temperature to 110~120 ℃, dehydrate and filter in vacuum. It is formed by the addition reaction of propylene glycol polymer and water. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:48:19
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View History
Poly(propylene glycol) 3000
vanilpyruvic acid
Interox TBPEH
4-Bromophenol p-Bromophenol
C.I. Acid Red 186
TRI-MAGNESIUM PHOSPHATE
SAG (cyclopamine antagonist)
dilithium hexafluorosilicate
BUTYLTRIMETHYLAMMONIUM
vanilpyruvic acid
Interox TBPEH
4-Bromophenol p-Bromophenol
C.I. Acid Red 186
TRI-MAGNESIUM PHOSPHATE
SAG (cyclopamine antagonist)
dilithium hexafluorosilicate
BUTYLTRIMETHYLAMMONIUM
Raw Materials for Poly(propylene glycol) 3000