gumsand natural resins. It is insoluble in salt solutions. Unlike ethanolor methanol,isopropyl alcohol can be separated from aqueoussolutions by adding a salt such as sodiumchloride,
To Be Negotiated
13 Tons (Min. Order)
| CAS No.: | 67-63-0 |
|---|---|
| EINECS: | 200-611-7 |
| Appearance: | Liquid |
| Transport Package: | 160kg/Drum, 800kg/IBC Drum |
| Specification: | Isopropanol99% |
| Origin: | China |
Isopropanol / Isopropyl Alcohol / IPA 99%MIN-Qingdao Hiseachem
| Product name: | Isopropanol | Batch Number | |||
| Manu.date | Standard | BP Standard | |||
| Index | Specification | Result | |||
| Chrominance(Pt-Co) | ≤10 | 5 | |||
| Density at 20 DegC(g/cm3) | 0.784-0.787 | 0.786 | |||
| Purity % | ≥99.9 | 99.91 | |||
| Water Content % | ≤0.10 | 0.03 | |||
| Acidity as Acetic Acid % | ≤0.002 | 0.0011 | |||
| Non-Volatile Matter % | ≤0.002 | 0.002 | |||
| Appearance | Colorless clarity liquid, No odour | passed | |||
| Carboxyl(as acetone)% | ≤0.01 | 0.006 | |||
| Sulfide content(as sulfur)% | ≤1 | < 0.5 | |||
| Water soluble experiment | Pass | Pass | |||
| Expiry date:2022.08.10 | |||||
| Test Conclusion | |||||
| Qualified | |||||
Properties
Isopropyl alcohol(C3H8O;(CH3)2CHOH) is miscible in water, alcohol,ether, and chloroform. It will dissolve ethylcellulose, polyvinyl butyral, many oils, alkaloids, gumsand natural resins. It is insoluble in salt solutions. Unlike ethanolor methanol,isopropyl alcohol can be separated from aqueoussolutions by adding a salt such as sodiumchloride, sodium sulfate, or any of several otherinorganic salts, since the alcohol is much less soluble in saline solutionsthan in salt-free water. The process is colloquially called salting out,and causes concentrated isopropyl alcohol to separate into a distinct layer.
Isopropyl alcohol forms an azeotrope with water, which gives a boiling point of 80.37 °C(176.67 °F) and a composition of 87.7 wt% (91 vol%) isopropyl alcohol.Water-isopropyl alcohol mixtures have depressed melting points. It has aslightly bitter taste, and is not safe to drink.
Isopropyl alcohol becomes increasingly viscous with decreasing temperature.At temperatures below −70 °C (−94 °F), isopropyl alcohol resembles maple syrup in viscosity.
Isopropyl alcohol has a maximum absorbanceat 205 nm in an ultraviolet-visiblespectrum.
Safety
Isopropyl alcohol vapor is denser than air and is flammable,with a flammability range of between 2 and 12.7% inair. It should be kept away from heat and open flame Isopropyl alcohol has beenreported to form peroxides which may explode upon concentration.Isopropyl alcohol is a skin irritant.
Toxicology
Isopropyl alcohol and its metabolite, acetone, act as central nervous system (CNS) depressants.Symptomsof isopropyl alcohol poisoning include flushing, headache,dizziness,CNS depression, nausea,vomiting,anesthesia,hypothermia,hypotension,shock, respiratorydepression, and coma. Poisoning can occur from ingestion, inhalation, or skinabsorption; therefore, well-ventilated areas and protective gloves arerecommended.
Around 15 g of isopropyl alcohol can have a toxic effect on a 70 kg humanif left untreated. However, it is not nearly as toxic as methanol or ethyleneglycol.
Isopropyl alcohol does not cause an anion gap acidosis (in which a lowered bloodserum pH causes depletion of bicarbonate anion) unlike ethanoland methanol.Isopropyl alcohol does, however, produce an osmolal gapbetween the calculated and measured osmolalities of serum, as do the otheralcohols.
Overdoses may cause a fruity odor on the breath as a result of itsmetabolism to acetone,which is further metabolized to produce the nutrients acetateand glucose.
Isopropyl alcohol is oxidized to form acetone by alcohol dehydrogenase in the liver.
The biological half-life of isopropyl alcoholin humans is between 2.5 and 8.0 hours
Isopropyl alcohol is denatured for certain uses, in which case theNFPA 704 rating is changed to 2,3,1.
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