Specific gravity at the same conditions is 1.077. Propylene Glycol Hydrometers. Propylene glycol (C 3 H 8 O 2) occurs as a clear, colorless, viscous, practically odorless liquid with a sweet taste, somewhat resembling glycerin. Product Code(s)0575 - Propylene Glycol Revision Date 08-Jan-2016 4. IDENTIFICATION Product Name: Polyethylene glycol 3350 CAS NO: 25322-68-3 TSCA: TSCA 8(b) inventory: Polyethylene Glycol 3350 Synonymn: PEG 3350 Chemical formula: H(OCH2CH2)nOH 2. The subject of the current petition is a request for the approval of propylene glycol to the National List for medical use in organic livestock. The compound is sometimes called α-propylene glycol to distinguish it from the isomer propane-1,3-diol (β-propylene glycol). This is expected to be a low hazard for usual industrial handling. Example - the specific heat of an ethylene glycol water solution 50% / 50% is 0.815 at 80 o F (26.7 o C). 57-55-6 at about > 25.0 to < 96.0 % and Water of CAS No. If something is 7.85 times as heavy as an equal volume of water (such as iron is) its specific gravity … 2000 words (ESSAY) Help I … You can also browse global suppliers,vendor,prices,Price,manufacturers of Propylene glycol(57-55-6). Propylene Glycol USP/EP is used as an excipient (non-active ingredient) in the manufacture of pharmaceutical products. With a direct relationship to density, it is important to consider data on specific gravity in the calculation of … 55 54 53 52 11 Measurement of specific gravity is the principal means of determining the glycerol content of distilled glycerine. Specific gravity 1.11 at 25. Viscosity (dynamic) 13.3 mPa s (13.3 Cp) at 25. What is Propylene Glycol It is a viscous, colorless liquid which is nearly odorless but possesses a faintly sweet taste. b. propylene glycol 9. The most common antifreeze fluid - ethylene glycol - must not be used where there is a chance of leakage to potable water or food processing systems. Source: Glycols. Where toxicity is an issue or where there is immediate environmental concern, which glycol is considered a better choice. FIRST AID MEASURES First Aid Measures Eye Contact Rinse thoroughly with plenty of water for at least 15 minutes, lifting lower and upper eyelids. Glycol Correction Factors All Heat exchangers experience a capacity loss when the fluid is a higher specific gravity than water.Glycols are heavy, syrup like fluids at full concentration, and become thinner when mixed with water. Viscosity (dynamic) 13.3 mPa s (13.3 Cp) at 25. With a direct relationship to density, it is important to consider data on specific gravity in the calculation of … The Dissolved Solids and specific gravity scales are ideal for precisely measuring the sugar content of wort used in beer making. For example, a glycol-water mixture with a concentration of 40% propylene glycol will have a lower freezing temperature than an antifreeze mixture containing 25% propylene glycol, because there is a higher glycol to water ratio in the mix. Syrup USP, having a specific gravity of 1.313 and a concentration of 85% w/v is a 65% w/w solution. HAZARDS IDENTIFICATION Caution! Propylene is the way to go, yes ethylene has slightly better heat transfer but also has a slightly higher specific gravity, so you need slightly more … Hydrometers come with different scales depending on the characteristics of the liquid the user is measuring. It is necessary, from an economic standpoint, to consider the additive preservative effects of such ingredients as alcohol, glycerin, propylene glycol, and other dissolve solids. Although ethylene glycol hydrometers are widely available and mass-marketed for antifreeze testing, they give false readings at high temperatures because specific gravity changes with temperature. Propylene glycol has a specific gravity of 1.038 g/mL and is miscible with acetone, 95% ethanol, glycerin, and water. Propylene Glycol Water Solution Specific Gravity Author: learncabg.ctsnet.org-Ute Hoffmann-2021-05-03-09-53-22 Subject: Propylene Glycol Water Solution Specific Gravity Keywords: propylene,glycol,water,solution,specific,gravity Created Date: 5/3/2021 9:53:22 AM The RF40 measures the freezing point of automotive coolants (propylene glycol and ethylene glycol) from 32°F to -60°F. Please help with how to do this problem. Propylene glycol (C 3 H 8 O 2) occurs as a clear, colorless, viscous, practically odorless liquid with a sweet taste somewhat resembling glycerin. For those tests that use the procedure of another ASTM test method, that test method should be consulted for additional information on the significance and use of that test. 2), and the maximum value of specific gravity of polyethylene glycol-water system was at 60-70% concentration (Fig. It has applications in Paint, Food, Personal Care, Pharma and Agriculture. How to Test Ethylene & Propylene Glycol Use CoolTrak coolant test strips (kimdon.com) to test a sample of ethylene or propylene glycol based coolants. It is sensitive to excessive heat (tends to oxidize at high temperatures). Easy to read color coded hydrometer gives temperature-corrected readings. ♦ Propylene glycol 95% ♦ Inhibitor Package & Water 5% ♦ Color Colorless ♦ pH of solution @ 50% glycol 9.0 – 10.5 ♦ Specific gravity @ 60/60 °F 1.050 – 1.060 ♦ Reserve Alkalinity (min) 11.0 ml 1) Freezing and Boiling points %Glycol by Volume Freezing Point °F Boiling Point °F PROPYLENE GLYCOL PAGE 1 ! This material is not classified dangerous good according to international transportation regulations (ADR/RID-IMDG-ICAO/IATA). May cause irritation. The CIR Expert Panel has evaluated the safety of the 1,2-glycol, propylene glycol and polypropylene glycols and concluded that these ingredients are safe for use in cosmetic products at concentrations up to 50.0%. For many heat-transfer applications it is necessary to use a heat-transfer fluid with lower freezing point than water. Biochemical oxygen demand (BOD) 0.96 - 1.08 g O₂/g substance Chemical oxygen demand (COD) 1.63 g O₂/g substance ThOD 1.69 g O₂/g substance 12.3. Which is it? (Specific gravity Ethylene Glycol = 1.112) (Specific gravity Propylene Glycol = 1.036) Controls 1200 mg/L - 11 μL in 2 mL of blood (or H 2 O) EG, 11.6 μL in 2 mL of blood (or H 2 O) PG Manufacturer assumes no legal responsibility for use or reliance upon this data. The specific gravity can be obtained by dividing the density of the glycol or glycol-water solution by the density of water. Propylene glycol is used as a humectant and solvent in topicals. Percent weight-in-volume (w/v) is used for _____. a. ethylene glycol b. propylene glycol 10. The Dissolved Solids and specific gravity scales are ideal for precisely measuring the sugar content of wort used in beer making. ... Propylene glycol alginate is a propylene glycol ester of alginic acid, a linear glycuronan polymer consisting of a mixture of β – ( 4) – D- mannosyluronic acid and – (1 4) – L- gulosyluronic acid residues. Trade name : PROPYLENE GLYCOL USP Chemical name : PROPYLENE GLYCOL CAS-No. Uses. It also indicates the specific gravity of battery acid and provides a quick reference of battery charge condition. CAS: 57-55-6 Chemical Formula: C 3 H 8 O 2 Molecular Weight: 76.09 DOT Classification: DOT Not a DOT controlled material (United States). The specific gravity of a mixture of polyethylene glycol and water, and of glycerol and water increases with increasing concentration (Fig. An LD50 toxicity rating of … 2), and the maximum value of specific gravity of polyethylene glycol-water system was at 60-70% concentration (Fig. PROPYLENE GLYCOL is hygroscopic. All the accuracy you need in an easy-to-use handheld device. The density of ethylene glycol is higher than water - check the specific gravity (SG) table above, so the net impact on the heat transport capacity is reduced. This refractometer works well for measuring cleaning products too. Specific gravity is best de- It is sensitive to excessive heat (tends to oxidize at high temperatures). Specific gravity is a referenced physical property when working with glycol solutions. Propylene Glycol 1,2 Propanediol 57-55-6 100 4. CAS No: 57-55-6 EINECS No: 200-338-0 Molecular weight: 108.08 Molecular formula: C 3 H 8 O 2; A colourless, odourless hydroscopic transparent liquid, melting point: -59°C, boiling point: 187°C. Curme and Johnston, Reinhold Publishing Corp., New York (1952). For example, acetic acid has a specific gravity (sg) of 1.0491 while acetone has a sg of 0.785 (784.58 kg/cu.m). Date Issued/Revised: February 1, 2007 Supersedes: October 1, 2004 Section 14: Transport Information This product is classified as a non-hazardous material for DOT shipping. Propylene Glycol, CAS# 57-55-6, is an organic compound manufactured through chemical synthesis, available as Colorless transparent viscous liquid. An adjustment needs to be made if the hydrometer is measuring specific gravity at a different temperature than the reference temperature. Specific gravity 1.11 at 25. A Specific Gravity of 1.03 means that you either have an Ethylene Glycol solution between 25% and 30% by weight, or you have a Propylene Glycol solution between 35% and 40% by weight. A three-stage theory of ethylene glycol poisoning was introduced in the 1950s (Berman et al. A more simple and reliable test procedure for determining propylene glycol content other than specific gravity would be? Intended Use of the Product Use of the substance/mixture: For professional use only. CAS: 57-55-6 Chemical Formula: C 3 H 8 O 2 Molecular Weight: 76.09 DOT Classification: DOT Not a DOT controlled material (United States).
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